Norwalk Climate & Monthly Temperature Overview – United States

Summer (June-August)

Norwalk experiences warm and humid summers with average temperatures ranging from 70°F (21°C) to 85°F (29°C). The humidity can be oppressive at times, making it feel even hotter. Precipitation is common during the summer months, with occasional thunderstorms or showers. The average rainfall for the summer is approximately 10 inches (25 cm). However, Norwalk is prone to severe thunderstorms that can bring heavy rain, strong winds, and hail.

Winter (December-February)

Winters in Norwalk are cold and wet, with average temperatures ranging from 25°F (-4°C) to 40°F (4°C). Snowfall is common, averaging about 24 inches (60 cm) per season. However, the snow usually melts quickly due to the milder temperatures. Icy conditions can be a hazard on the roads during the winter months. Precipitation is also frequent during the winter, with a mix of rain, snow, and sleet. The average rainfall for the winter is approximately 12 inches (30 cm).

Summer Temperatures

During the summer months in Norwalk, the average temperature ranges between 60 to 75 degrees Fahrenheit. The warmest months are July and August, with average temperatures hovering around 75 degrees Fahrenheit. The humidity levels can be high during this time, making the air feel warmer. However, the proximity to the coast provides a cooling breeze that can help alleviate the feeling of heat.

Winter Temperatures

In contrast, the winter months in Norwalk are characterized by mild temperatures. The average temperature during the coldest month, January, is around 30 degrees Fahrenheit. It is not uncommon for temperatures to drop below freezing on occasion, especially at night. Snowfall is infrequent, and when it does occur, it typically melts quickly due to the relatively mild temperatures. The cold weather is often accompanied by a crisp and refreshing air.

Cloud Formations in Norwalk, United States

Norwalk, located in the state of Connecticut, United States, experiences a variety of cloud formations throughout the year due to its humid subtropical climate. During the summer months, cumulus clouds are common, appearing as puffy, detached clouds. These clouds often indicate fair weather and can develop into larger, towering cumulonimbus clouds, which can produce thunderstorms.

During the winter months, stratus clouds are more prevalent, covering the sky with a uniform gray layer. These clouds can produce drizzle or light rain and often create a gloomy, overcast sky. Additionally, cirrus clouds, which are thin, wispy clouds composed of ice crystals, can be observed at high altitudes and indicate fair weather.

Precipitation Patterns

Norwalk, United States experiences a humid subtropical climate characterized by abundant precipitation throughout the year. The region receives an average of approximately 1200 mm (47 inches) of rainfall annually, distributed fairly evenly across the months. However, precipitation tends to be slightly higher during the spring and summer months (March to September) due to frequent thunderstorms and frontal systems. Winter months (December to February) typically receive less precipitation, with occasional snowfall that rarely accumulates. The precipitation in Norwalk is primarily influenced by its proximity to the Atlantic Ocean and the prevailing westerly winds.

Impacts of Precipitation

Norwalk’s abundant precipitation plays a significant role in shaping the region’s environment and economy. The regular rainfall sustains lush vegetation and forests, providing habitat for diverse flora and fauna. The precipitation also replenishes surface water bodies, including rivers, lakes, and coastal estuaries, which support a thriving fishing industry. However, excessive rainfall can also lead to flooding in low-lying areas, causing damage to infrastructure and property. The city’s stormwater management system is designed to mitigate these risks by capturing and diverting excess water. Additionally, the abundance of rainfall supports agriculture in the surrounding areas, with local farmers cultivating a variety of crops, including corn, soybeans, and vegetables.

Monthly Precipitation

Norwalk experiences a humid subtropical climate characterized by hot, humid summers and mild winters. Rainfall is distributed year-round, with a slight variation in monthly precipitation. The driest months are June and July, averaging around 3 inches (76 mm) of rainfall. Precipitation increases from August to October, reaching a peak in September, with an average of 4.5 inches (114 mm). The winter months (November to February) are generally wet, with an average of 3.5 to 4 inches (89 to 102 mm) of rainfall per month.

Seasonality and Extremes

Rainfall distribution in Norwalk exhibits a distinct seasonal pattern. Spring (March to May) and fall (September to November) are typically the wettest seasons, receiving approximately 40% of the annual precipitation. The summer months (June to August) are slightly drier, receiving about 30% of the annual rainfall. Winters (December to February) contribute the remaining 30%, with occasional snowfall events. Extreme rainfall events, such as thunderstorms and hurricanes, can occur throughout the year, but they are more frequent during the summer and fall months.

Seasonal Snowfall Variations

Norwalk experiences significant seasonal variations in snowfall. During the winter months (December to March), the city receives an average of 22-26 inches of snow. The heaviest snowfall typically occurs in January, with an average of 8-10 inches. However, snowfall amounts can vary greatly from year to year, with some winters receiving significantly more or less snow than average. For instance, the winter of 2014-2015 saw over 40 inches of snowfall, while the winter of 2019-2020 received only around 10 inches.

Impact of Snowfall

Snowfall can have a significant impact on the city of Norwalk. Heavy snowstorms can lead to road closures, school cancellations, and power outages. The snow can also cause delays in public transportation and make it difficult for residents to get around. In addition, snow accumulation can pose a safety hazard for pedestrians and drivers. To mitigate these impacts, the city has a comprehensive snow removal plan in place. This plan includes measures such as pre-salting roads, deploying snowplows, and clearing sidewalks and crosswalks. The city also provides resources to help residents prepare for and respond to snowstorms, such as snow emergency information and warming centers.

Sunrise and Sunset

Norwalk, located in the eastern United States, experiences both late sunrises and early sunsets throughout the year. During the summer months of June and July, the sun rises earliest, typically around 5:30 AM. As the days shorten in autumn, the sunrise shifts later, reaching its latest time around December 21st at approximately 7:00 AM. Similarly, the sunsets in Norwalk follow a seasonal pattern. In the summer, the sun sets latest around 8:30 PM, providing ample daylight hours for outdoor activities. During the winter months, the sun sets significantly earlier, reaching its earliest time around 4:30 PM.

Solar Intensity and Seasonal Variations

The intensity of sunlight in Norwalk varies throughout the year due to the Earth’s tilt and the local latitude. In the summer, as the days are longer and the sun is at a higher angle in the sky, the solar intensity is at its peak. This period of intense sunlight lasts from late May to early August and is characterized by warm temperatures and high UV radiation levels. In contrast, during the winter months, the days are shorter and the sun is lower in the sky, resulting in reduced solar intensity. As a result, the winter season in Norwalk experiences colder temperatures and lower UV radiation levels.

Current Phase and Visibility

The Moon’s current phase in Norwalk, United States, as of now, can be determined using online resources or astronomical tools. The phase may vary depending on the time of day and the date. Information about the Moon’s current phase, including its illumination percentage and rise and set times, can be found on reputable astronomical websites or mobile applications.

Upcoming Events

Upcoming significant lunar events that may be visible from Norwalk, United States, include full moons, new moons, and lunar eclipses. Full moons occur when the Moon is fully illuminated and faces Earth, appearing as a complete circle. New moons occur when the Moon is between Earth and the Sun, resulting in a dark side facing Earth. Lunar eclipses occur when the Moon passes through the shadow cast by Earth, giving the Moon a reddish hue. Information about upcoming lunar events, including their dates and visibility details, can be obtained from astronomy calendars or online resources.

Average Humidity in Norwalk, United States

Norwalk experiences relatively high humidity levels throughout the year. The average annual humidity in Norwalk is approximately 74%. The high humidity is attributable to the city’s coastal location on the Long Island Sound, which emits moisture into the atmosphere. Additionally, the prevailing southwest winds often bring humid air from the Atlantic Ocean.

During the summer months, humidity levels in Norwalk typically range from 65% to 80%. The combination of high temperatures and humidity can make the air feel oppressive and uncomfortable. The highest humidity levels tend to occur during the late evening and early morning hours. During the winter months, humidity levels typically decrease to around 60% to 70%, although occasional periods of higher humidity can still occur.

Wind Patterns

Norwalk, located on the southern coast of Connecticut, experiences a humid subtropical climate characterized by prevailing southwesterly winds. These winds originate from the subtropical high-pressure zone located east of Florida and bring warm, moist air from the Atlantic Ocean. During the summer months, winds tend to be lighter and more variable, often influenced by sea breezes during the afternoon. Conversely, stronger winds are prevalent during the winter months, particularly from the northwest. These northwesterly winds accompany cold fronts that sweep across the region, bringing colder temperatures and gusty conditions.

Impacts of Wind

The prevailing winds in Norwalk have significant impacts on the local environment. The constant flow of moist air from the ocean supports the growth of lush vegetation, including forests, wetlands, and salt marshes. Additionally, the winds play a role in moderating temperatures, preventing extreme cold or heat. However, strong winds can also pose challenges. During severe storms, high winds can cause property damage, power outages, and disruptions to infrastructure. To mitigate these impacts, local authorities have implemented building codes that require structures to withstand high wind loads and promote awareness campaigns to educate residents about wind safety.

Spring (April-May):

Spring in Norwalk offers an invigorating blend of mild temperatures and blooming landscapes. The average high temperatures range from 50°F to 65°F, making it ideal for outdoor activities. You can witness the vibrant colors of azaleas, tulips, and daffodils adorning the city’s parks and gardens. This season also marks the beginning of water sports, with Soundview Beach offering opportunities for kayaking, paddleboarding, and fishing.

Fall (September-November):

Fall in Norwalk is characterized by crisp and refreshing weather, with average high temperatures hovering around 55°F to 70°F. The foliage comes alive with a kaleidoscope of colors, from golden yellow and vibrant reds to deep oranges and crimson. Take a scenic drive along the Merritt Parkway to capture the breathtaking vistas or embark on a hiking trail in the Norwalk River Valley Trail System. This season is also known for its abundance of apples, so be sure to visit a local orchard for apple picking and cider sampling.

Solar Potential and Initiatives

Norwalk, United States, boasts significant solar energy potential due to its ample sunshine and favorable climate. The city has implemented various initiatives to promote solar adoption, including a municipal solar program that offers rebates and incentives to homeowners and businesses. Additionally, the city has partnered with local utilities to provide solar financing options and educational resources to residents and businesses alike.

Challenges and Opportunities

While Norwalk has made progress in solar energy development, there are still challenges to overcome. A major hurdle is the city’s limited land availability for large-scale solar installations. To address this, the city is exploring innovative solutions, such as rooftop solar arrays and community solar programs that allow multiple participants to share a solar system. Furthermore, the city is working to streamline permitting processes and reduce upfront costs associated with solar installations. By embracing these opportunities and addressing the challenges, Norwalk aims to become a leader in solar energy adoption and contribute to a cleaner and more sustainable energy future.

Physical Geography

Norwalk, United States, is situated in Fairfield County, Connecticut, and encompasses a diverse topography. The city’s landscape is characterized by rolling hills, interspersed with valleys and plateaus. The highest elevation within Norwalk is approximately 430 feet above sea level, found in the northern part of the city. The lowest point lies along the Long Island Sound shoreline, at an elevation of sea level. The city’s topography has been shaped by its glacial past, with the deposition of glacial till and outwash creating the rolling hills and valleys.

Coastal Features

Norwalk’s eastern boundary is defined by Long Island Sound, a large estuary that separates Connecticut from Long Island, New York. The coastline features several inlets, coves, and islands. The major inlets include Calf Pasture Beach, Oyster Shell Cove, and West Norwalk Harbor. The islands, such as Great Island and Sheffield Island, provide scenic vistas and recreational opportunities. The coastline is characterized by a mix of sandy beaches, rocky bluffs, and salt marshes. The Norwalk Islands, a group of five islands located in the northern part of Long Island Sound, are a popular destination for boating, fishing, and birdwatching. The islands offer a unique ecosystem, with a variety of plant and animal life.

John F. Kennedy International Airport (JFK)

John F. Kennedy International Airport (JFK) is the nearest major airport to Norwalk, Connecticut, located approximately 35 miles southwest of the city. As one of the busiest airports in the world, JFK offers a vast array of domestic and international flight options, connecting Norwalk to destinations across the globe. The airport is easily accessible from Norwalk via car, public transportation, or taxi.

Westchester County Airport (HPN)

Westchester County Airport (HPN) is a smaller, regional airport located approximately 25 miles north of Norwalk. While HPN offers fewer flight options compared to JFK, it may provide a more convenient and less crowded alternative for domestic travel. The airport is well-connected to Norwalk by car or public transportation, making it a suitable choice for both business and leisure travelers.

History of Norwalk

Norwalk traces its roots to the early 17th century when European settlers established a trading post and later a town along the Norwalk River. In 1651, the town was officially incorporated as Norwalk, named after the Native American word for “north wind.” Throughout the colonial era, Norwalk prospered as a shipbuilding and maritime center. During the Revolutionary War, the town played a significant role in the Battle of Danbury and was briefly occupied by British forces. In the 19th century, Norwalk became a major manufacturing hub, producing hats, shoes, and textile products.

Geography and Demographics

Norwalk is located in southwestern Connecticut, approximately 45 miles northeast of New York City. It encompasses an area of 35 square miles and has a diverse landscape, featuring coastal marshes, rolling hills, and inland wetlands. The Norwalk River meanders through the town, providing a scenic backdrop and a recreational destination for residents. According to the 2020 census, Norwalk has a population of approximately 86,000. The town is ethnically and culturally diverse, with a significant Hispanic and African American population. Norwalk boasts a well-educated workforce and a vibrant cultural scene, with numerous museums, theaters, and art galleries.