Bloomington Climate & Monthly Temperature Overview – United States


Spring and Summer

Spring in Bloomington typically arrives in March, bringing with it warmer temperatures and longer days. April and May see an increase in rain and humidity, preparing for the summer months. Summer officially begins in June and lasts until August, characterized by hot and humid conditions. July is the warmest month, with average temperatures hovering around 84°F (29°C). The summer months also experience occasional thunderstorms, providing temporary relief from the heat.

Fall and Winter

Fall arrives in September, bringing with it cooler temperatures and a transition to golden foliage. October and November witness a decrease in rain and humidity, creating pleasant conditions for outdoor activities. Winter descends upon Bloomington in December and lasts until February. This season is cold and snowy, with average temperatures in January dipping to 22°F (-6°C). Snowfall is common, with an average accumulation of 22 inches (56 cm) per year. The cold and snowy conditions make it important for residents to prepare their homes and vehicles appropriately.

Summer Temperatures

Bloomington, Indiana experiences warm summers, with average temperatures ranging from the mid-70s to low-80s Fahrenheit (24-28 degrees Celsius). The warmest months are typically July and August, when temperatures can occasionally reach into the mid-90s Fahrenheit (35 degrees Celsius). However, humidity levels are generally moderate, making the summer heat more bearable. Nighttime temperatures during the summer months typically drop to the mid-60s Fahrenheit (18-19 degrees Celsius).

Winter Temperatures

Winters in Bloomington are cold, with average temperatures ranging from the mid-20s to low-30s Fahrenheit (-4 to 1 degree Celsius). The coldest months are typically January and February, when temperatures can occasionally drop below zero Fahrenheit (-18 degrees Celsius). Snowfall is common during the winter months, with an average of about 20 inches (50 centimeters) per year. However, snowstorms tend to be short-lived, and the snow cover usually melts within a few days. Nighttime temperatures during the winter months typically drop to the teens Fahrenheit (-7 to -10 degrees Celsius).

Cloud Cover and Types in Bloomington, United States

Bloomington, Indiana, United States, experiences a wide range of cloud cover and types throughout the year. The city is located in the humid continental climate zone, which is characterized by hot, humid summers and cold, snowy winters. As a result, Bloomington experiences a variety of cloud types, from low-lying stratus and cumulus clouds to high-altitude cirrus clouds.

During the spring and summer months, Bloomington often experiences overcast skies with low-level stratus clouds. These clouds are typically gray and featureless, and they can block out the sun for extended periods of time. However, during the summer months, towering cumulus clouds often develop in the afternoon and evening. These clouds can produce showers or thunderstorms, but they can also dissipate quickly, leaving behind clear skies.

In the fall and winter months, Bloomington experiences a mix of cloud types. High-altitude cirrus clouds are common, and they can often be seen on clear days. These clouds are composed of ice crystals and are often thin and wispy. Additionally, stratus clouds and cumulus clouds are also common during these months, and they can produce precipitation.

Average Precipitation in Bloomington

Bloomington, Indiana, receives an average of 42.25 inches (1073.1 mm) of precipitation per year, distributed fairly evenly throughout the year. January is the driest month, with an average of 2.5 inches (63.5 mm) of precipitation, while May is the wettest month, with an average of 4.7 inches (119.4 mm). Precipitation is most common in the form of rain, but snow can also occur during the winter months.

Seasonal Variations in Precipitation

Bloomington’s precipitation patterns vary throughout the year. In the winter, the city receives an average of 8.9 inches (226.1 mm) of precipitation, mostly in the form of snow. The spring months are slightly drier, with an average of 11.3 inches (287.0 mm) of precipitation, mostly in the form of rain. Summer is the wettest season, with an average of 13.8 inches (350.5 mm) of precipitation, mostly in the form of thunderstorms. In the fall, precipitation levels drop slightly, with an average of 8.2 inches (208.3 mm) of precipitation, mostly in the form of rain.

Annual Rainfall in Bloomington

Bloomington experiences a humid continental climate, characterized by warm, humid summers and cold, dry winters. Annual rainfall in the city averages around 39 inches (991 mm), with precipitation spread fairly evenly throughout the year. The wettest months are May and June, with average rainfall of around 4 inches (102 mm) each. The driest months are January and February, with average rainfall of less than 2 inches (51 mm) each. On average, Bloomington receives around 105 days of precipitation throughout the year.

Seasonal Precipitation Patterns

In the spring, as temperatures rise and the snowpack melts, precipitation often falls in the form of rain and occasional thunderstorms. Summer brings more frequent and intense thunderstorms, which can lead to heavy downpours and localized flooding. Autumn precipitation is typically more moderate, with a mix of rain and occasional snow showers. Winter precipitation is dominated by snow, with occasional freezing rain or sleet. Snowfall in Bloomington averages around 28 inches (71 cm) per year, but it can vary significantly from season to season. The city has experienced snowfall as early as October and as late as May.

Snowfall Patterns in Bloomington, Indiana

Bloomington, Indiana, experiences moderate snowfall during the winter months. The city typically receives an average of 20 inches of snow annually, with the majority of snowfall occurring in January and February. Snowfall can vary greatly from year to year, with some winters receiving significantly more or less snow than average. For example, in the winter of 2017-2018, Bloomington received over 40 inches of snow, while the following winter saw less than 10 inches.

Impact of Snowfall on Bloomington

Snowfall can have a significant impact on Bloomington and its residents. Heavy snow can cause traffic delays, school closures, and power outages. The city’s infrastructure is designed to handle moderate snowfall, but severe snowstorms can overwhelm the system. In recent years, Bloomington has invested in snow removal equipment and snowplowing services to improve its response to snow events. Additionally, residents are encouraged to prepare for winter weather by stocking up on essential supplies and taking precautions to prevent slips and falls.

Sunrise and Sunset Times

In Bloomington, Indiana, the exact sunrise and sunset times vary throughout the year due to the Earth’s tilt and its orbit around the Sun. During the summer months (June to August), the sun typically rises around 5:30 AM and sets around 8:30 PM, providing approximately 15 hours of daylight. In contrast, during the winter months (December to February), the sun rises around 7:30 AM and sets around 5:30 PM, with only about 9 hours of daylight.

Seasonal Sunlight Variations

The amount of sunlight received in Bloomington also varies significantly with the seasons. In the summer, the sun is higher in the sky, providing more direct rays and longer days. During this time, Bloomington experiences an average of 7-8 hours of direct sunlight per day. In the winter, however, the sun is lower in the sky, resulting in fewer direct rays and shorter days. As a result, Bloomington receives only about 2-3 hours of direct sunlight per day during the winter months.

Moonrise and Moonset Times

In the picturesque city of Bloomington, Indiana, the ethereal beauty of the moon’s celestial dance captivates onlookers throughout the year. The moon’s appearance and position in the sky vary significantly depending on the time of day and the season. During the hours of dusk, the moon gracefully ascends above the horizon, casting an enchanting glow upon the cityscape. The exact time of moonrise changes nightly, but generally occurs around sunset. Conversely, the moon sets in the west, typically several hours after it rises. This celestial ballet provides a mesmerizing spectacle, transforming the night sky into a canvas of wonder.

Moon Phases

As the moon orbits around Earth, its illuminated portion as viewed from our planet undergoes a dynamic metamorphosis. This cycle, known as the lunar phases, presents a captivating celestial show. The new moon marks the beginning of the lunar cycle, as the moon becomes almost entirely invisible to the naked eye. As it progresses, the moon gradually grows in size, transitioning through the crescent and gibbous phases. The full moon, when the entire face of the moon is illuminated, captivates observers with its radiant glow. As the cycle continues, the moon’s illuminated portion wanes, returning to the new moon phase and signaling the start of a new celestial journey.

Humidity in Bloomington, United States: Monthly Variations

Bloomington, Indiana experiences significant variations in humidity throughout the year. The city’s humid subtropical climate results in high levels of humidity during the warm summer months and more moderate levels during the colder winter months.

From May to September, humidity levels in Bloomington tend to remain high, often exceeding 70%. This period coincides with the warmest temperatures of the year, which can make the hot and humid conditions uncomfortable and even oppressive. During this time, residents may experience increased sweating and dehydration.

Humidity in Bloomington, United States: Seasonal Patterns

In contrast to the summer months, humidity levels in Bloomington drop considerably during the winter months. From December to February, humidity levels typically fall below 60%, providing a more comfortable and less sticky atmosphere. This dryness can be attributed to the cold temperatures, which prevent moisture from evaporating into the air.

During the spring and fall shoulder seasons, humidity levels in Bloomington undergo a gradual transition. In March and April, as temperatures rise, humidity levels start to increase. Conversely, in October and November, as temperatures decline, humidity levels decrease. These transitional periods offer a mix of moderate humidity and relatively mild temperatures.

Wind Patterns

Bloomington, United States experiences notable wind patterns throughout the year, influenced by its geographic location in the midwestern United States. The city lies in the path of prevailing westerly winds, which bring in moisture and warmer temperatures from the Pacific Ocean. These winds also contribute to the formation of clouds and precipitation, particularly during the spring and summer months.

During the winter, Bloomington experiences strong winds due to the passage of cold fronts and the development of low-pressure systems. These winds often usher in cold and dry air from the north, resulting in low temperatures and occasional wind chills. Notably, the city is prone to severe thunderstorms during the late spring and early summer, accompanied by strong winds and the potential for hail or tornadoes.

Summer Vibrations

Bloomington’s summer transforms the city into a vibrant hub of activity. With average temperatures ranging from 70 to 85 degrees Fahrenheit from June to August, this season offers the perfect respite from the cold. Visitors flock to bustling Kirkwood Avenue, exploring its eclectic shops, live music venues, and thriving dining scene. The Farmer’s Market on Saturdays bursts with fresh produce, local delicacies, and the vibrant energy of the community. Outdoor enthusiasts rejoice in summer, taking advantage of the pristine trails winding through parks like Bryan Park and the Indiana University campus.

Autumn Splendor

As the leaves begin to turn into a kaleidoscope of golden and crimson hues from September to November, Bloomington welcomes autumn with open arms. The average temperatures hover around 50 to 65 degrees Fahrenheit, creating a cozy and invigorating atmosphere. The city hosts its annual Lotus World Music & Arts Festival, showcasing a diverse array of artists from around the globe. Festivals like Taste of Bloomington and the Indiana University Homecoming parade also enliven the streets, adding to the festive ambiance. Autumn is a time to admire the breathtaking foliage at the Brown County State Park, just a short drive from the city.

Suitability for Solar Energy

Bloomington, Indiana possesses favorable conditions for harnessing solar energy. Its location within the “Corn Belt” region grants it ample sunlight, with an average of 5.2 peak sunlight hours per day. Moreover, the city’s relatively flat terrain and abundance of rooftops provide suitable surfaces for solar panel installations. The combination of plentiful sunlight and available space makes Bloomington an attractive location for both residential and commercial solar energy systems.

Incentives and Support

Bloomington actively supports the adoption of solar energy through a range of incentives and programs. The city offers a 100% property tax abatement for residential solar installations and an exemption from permit fees. Additionally, the Indiana Clean Energy Development Grant Program provides financial assistance to eligible solar projects. Furthermore, local utilities, such as Duke Energy, offer net metering programs that allow solar panel owners to sell excess electricity back to the grid at a favorable rate. These initiatives demonstrate Bloomington’s commitment to promoting sustainable energy practices and reducing its carbon footprint.

Location and General Elevation

Bloomington is situated in south-central Indiana, approximately 50 miles southwest of Indianapolis. The city lies within the Till Plains region of the Great Lakes Basin and is characterized by a relatively flat topography. The highest point in Bloomington is located in the southeast corner of the city, at an elevation of 910 feet above sea level. The lowest point is located along the White River in the northwest corner of the city, at an elevation of 670 feet above sea level.

Landforms and Drainage

The topography of Bloomington is dominated by two main landforms: the Bloomington Ridge and the White River Valley. The Bloomington Ridge is a narrow, elongated hill that runs north-south through the center of the city. The ridge has a maximum elevation of 860 feet above sea level and forms the divide between the watersheds of the White River and the Clear Creek. The White River Valley is a broad, flat area that lies to the west of the Bloomington Ridge. The valley is drained by the White River, which flows northwest through the city. Other notable landforms in Bloomington include the limestone cliffs of the St. Joseph’s College Woods and the karst topography of the Indiana University campus.

Central Illinois Regional Airport (BMI)

Located just 5 miles (8 kilometers) northeast of Bloomington, the Central Illinois Regional Airport (BMI) is the closest airport to the city. It offers direct flights to Dallas/Fort Worth (DFW), Nashville (BNA), St. Louis (STL), Orlando (MCO), and Punta Gorda (PGD). BMI is a small airport with one terminal and 5 gates, making it easy to navigate. It features amenities such as free Wi-Fi, restaurants, and car rental services. Travelers can also utilize ground transportation options like taxis, ride-sharing services, and rental cars to reach Bloomington from the airport.

Other Nearby Airports

While BMI is the most convenient airport for Bloomington, there are several other nearby airports that may offer more flight options or lower airfares.

  • Abraham Lincoln Capital Airport (SPI): Located in Springfield, Illinois, approximately 100 miles (160 kilometers) west of Bloomington, SPI is a larger airport with flights to major hubs such as Chicago (ORD), St. Louis (STL), and Dallas/Fort Worth (DFW).
  • O’Hare International Airport (ORD): Located in Chicago, Illinois, approximately 140 miles (225 kilometers) northeast of Bloomington, ORD is a major international airport with flights to destinations worldwide.
  • Indianapolis International Airport (IND): Located in Indianapolis, Indiana, approximately 80 miles (130 kilometers) east of Bloomington, IND offers a wide range of domestic and international flights.

Arts and Culture

Bloomington, Indiana, is a hub of arts and culture, with a vibrant community of artists, musicians, and performers. The city is home to several renowned museums, including the Eskenazi Museum of Art at Indiana University, featuring a vast collection of American and European paintings, sculptures, and decorative arts. The Indiana University Cinema, one of the oldest and most prestigious arthouse cinemas in the United States, screens classic and contemporary films from around the world. Bloomington is also known for its live music scene, with numerous music venues hosting a diverse range of artists, from local musicians to internationally acclaimed stars.

Education and Research

Bloomington is a major center of higher education and research, dominated by the presence of Indiana University. The university, founded in 1820, is a highly respected research institution with numerous top-ranked academic programs. Its faculty and students conduct groundbreaking research in various fields, including medicine, science, engineering, and social sciences. The university also boasts several renowned research centers and institutes, such as the Indiana University Maurer School of Law’s Center on the Global Legal Profession and the Indiana University School of Medicine’s Center for Translational Sciences. Bloomington’s educational and research environment attracts a diverse population of students, scholars, and professionals, contributing to the city’s vibrant intellectual and cultural atmosphere.