Fontana Climate & Monthly Temperature Overview – United States


Summer in Fontana

Summer in Fontana is characterized by hot, dry conditions. Temperatures can reach into the 100s Fahrenheit, and humidity levels are generally low. The average high temperature in July is 98 degrees Fahrenheit, while the average low temperature is 68 degrees Fahrenheit. There is little precipitation during the summer months, with an average of just 0.1 inches of rain per month.

Winter in Fontana

Winter in Fontana is mild compared to other parts of the United States. Temperatures typically range from the 40s to the 60s Fahrenheit, and there is occasional rain or snow. The average high temperature in January is 58 degrees Fahrenheit, while the average low temperature is 38 degrees Fahrenheit. Fontana receives an average of 13 inches of precipitation per year, most of which falls during the winter and spring months.

Average Temperature in Fontana

Fontana, California boasts a temperate climate, with mild temperatures year-round. The city experiences a Mediterranean climate characterized by warm, dry summers and mild, wet winters. The average annual temperature in Fontana is around 63°F (17°C), with summer temperatures peaking in the mid-90s (°F) and winter temperatures rarely dropping below freezing.

The warmest months in Fontana are July and August, with average temperatures hovering around 95°F (35°C). During this time, the city experiences plenty of sunshine and low humidity, making it an ideal time to enjoy outdoor activities. Conversely, the coldest months are December and January, with average temperatures dipping to around 45°F (7°C). Winter rainfall is common, but snowfall is rare. However, the occasional cold front can bring freezing temperatures and even frost to the city. The rainfall tends to be concentrated during the winter months and generally does not interfere with overall pleasant weather conditions.

Cloud Types and Their Prevalence

Fontana experiences a variety of cloud types throughout the year. During the summer months, cumulus clouds are common, appearing as fluffy and white with flat bases. These clouds often indicate fair weather but can develop into larger cumulonimbus clouds, which produce thunderstorms. In the winter, stratus clouds frequently cover the sky, creating a gray and overcast appearance. Stratus clouds often bring light precipitation, such as drizzle or light rain.

Cloud Cover and Weather Patterns

The amount of cloud cover in Fontana varies significantly depending on the season and weather conditions. In the summer, cloud cover is generally lower, allowing for more sunshine and warmer temperatures. However, during the winter, cloud cover is higher, leading to cooler and more overcast weather. The presence of clouds can also influence precipitation patterns, as clouds act as barriers to sunlight and create conditions conducive to cloud formation and precipitation.

Annual Precipitation Patterns

Fontana, located in Southern California, experiences an arid climate with average annual precipitation of approximately 15 inches. The precipitation pattern is characterized by two distinct seasons: a wet season from November to April and a dry season from May to October. During the wet season, the region receives most of its rainfall from storms associated with the Pacific jet stream. These storms typically bring moderate to heavy rainfall, and occasionally produce thunderstorms. The dry season, on the other hand, is characterized by very little precipitation, with occasional light showers or drizzle.

Monthly Variability

Monthly precipitation in Fontana exhibits significant variability, reflecting the region’s distinct climate patterns. The wettest month is January, with an average precipitation of around 3 inches. This is followed by December and February, which receive approximately 2.5 inches of precipitation each. In contrast, the driest months are July and August, with virtually no rainfall. Summer months typically experience high temperatures and clear skies, with little moisture in the atmosphere.

Rainfall Patterns

Fontana, California, a city located in the Inland Empire, experiences significant seasonal variations in rainfall. During the summer months, from June to September, precipitation levels are typically low, with an average monthly rainfall of less than an inch. However, from October to March, the region enters its rainy season, characterized by intermittent storms and showers. The wettest months are typically January and February, with average monthly rainfall ranging between 2.5 and 3 inches. These winter storms can produce heavy downpours, sometimes accompanied by thunderstorms and floods.

Annual Rainfall Totals and Variability

On average, Fontana receives around 16 to 18 inches of rainfall annually. However, the amount of precipitation can vary significantly from year to year. During particularly wet winters, the region can experience over 30 inches of rain, while in dry years, rainfall may fall below 10 inches. This variability is influenced by several factors, including the strength of El Niño and La Niña weather patterns, as well as the occurrence of localized thunderstorms and atmospheric fronts. Despite the annual variability, Fontana’s rainfall patterns generally follow the typical Mediterranean climate of Southern California, with hot, dry summers and mild, rainy winters.

Snowfall Patterns

Fontana, United States experiences minimal snowfall due to its location in a Mediterranean climate zone. Precipitation tends to occur in the form of rain, and snow is a rare occurrence. On average, Fontana receives less than 1 inch of snowfall per year. Snowfall typically occurs during the winter months, between December and February, but it is not uncommon for winters to pass without any measurable snowfall.

Impacts of Snowfall

When snowfall does occur, it can have a significant impact on daily life. Even small amounts of snow can lead to slippery road conditions, which can increase the risk of accidents. Schools, businesses, and government offices may close or delay opening in response to snowfall. Snow can also accumulate on roads and sidewalks, making it difficult for pedestrians to navigate. Heavy snowfall can also cause power outages and disrupt transportation networks. However, due to its infrequency, snowfall in Fontana is generally not a major concern for residents or local authorities.

Average Sunshine Hours

Fontana, California, enjoys an impressive average of over 3,000 hours of sunshine per year. This places it among the sunniest cities in the United States, with a daily average of more than eight hours of sunlight year-round. The city’s location in Southern California, within the Mojave Desert region, contributes to its consistently clear skies and abundant sunlight.

Seasonal Variations

The sunshine in Fontana varies slightly throughout the year. During the summer months, from June to August, the city experiences its longest days and most intense sunshine, with an average of over 12 hours of sunlight per day. In contrast, winter days are shorter and less sunny, with an average of about seven hours of sunlight per day. However, even during the winter, Fontana remains a sunny destination, with fewer cloudy days compared to other parts of the country. The consistent sunshine makes Fontana an ideal location for outdoor activities, agriculture, and solar energy production.

Lunar Observations in Fontana, United States

Fontana, a city in Southern California, provides favorable conditions for lunar observations due to its generally clear skies and minimal light pollution. The best time to observe the moon is typically during new moon phases when the sky is darkest. During this time, stargazers can spot the moon as a faint crescent against the starlit background. As the moon progresses through its phases, it becomes brighter and easier to locate.

Specific viewing locations in Fontana with optimal conditions for moon observations include the Fontana Park and Recreation Center, which offers open fields with unobstructed views of the night sky. The Jurupa Mountains Discovery Center also provides scenic overlooks with panoramic vistas of the surrounding landscape, allowing visitors to enjoy distant moon sightings.

Humidity in Fontana, United States

Fontana, California, located in the Inland Empire region, experiences a Mediterranean climate characterized by hot, dry summers and mild, somewhat wet winters. Humidity levels in Fontana vary throughout the year, influenced by factors such as temperature, precipitation, and proximity to the Pacific Ocean.

Overall, Fontana has relatively low humidity compared to other regions of the United States. During the summer months, from June to September, humidity levels typically range from 20% to 40%, making for hot and dry conditions. The low humidity allows for rapid evaporation of sweat, providing some relief from the heat. However, during winter, from November to March, humidity levels can increase slightly, ranging from 50% to 70%, as the region experiences more precipitation. The higher humidity during winter can lead to fog or low clouds, especially in the morning hours.

Wind Patterns

Fontana, California experiences a Mediterranean climate characterized by hot, dry summers and mild, wet winters. The primary wind patterns in Fontana are driven by the local geography and the larger-scale atmospheric circulation. During the summer months, prevailing winds tend to blow from the west or southwest, bringing warm, dry air from the inland desert regions. These winds are often associated with clear skies and low humidity. In the winter months, the wind direction shifts to the northwest or north, bringing cooler, moister air from the Pacific Ocean. These winds are often accompanied by clouds and occasional precipitation.

Local Influences and Impacts

The local topography of Fontana also plays a role in shaping wind patterns. The San Bernardino Mountains to the north and east of the city create a barrier that channels winds through passes and canyons. This can lead to localized variations in wind speed and direction, particularly in the foothills and mountainous areas. The presence of vegetation, buildings, and other structures can also influence wind patterns at the microscale, creating areas of increased turbulence or wind channeling. The wind in Fontana has both beneficial and detrimental impacts. On the one hand, it helps to disperse air pollution and provides a cooling effect during hot summer days. On the other hand, strong winds can pose hazards to infrastructure, cause dust storms, and spread wildfires.

Spring (March-May):

Spring in Fontana brings with it a vibrant awakening of nature. The temperatures hover in the pleasant range of 50s to 70s Fahrenheit, creating an ideal climate for outdoor activities. The landscape transforms into a kaleidoscope of colors as wildflowers bloom in abundance, while the hillsides showcase lush greenery. This season offers comfortable hiking trails and scenic drives, allowing visitors to immerse themselves in the natural beauty of the San Bernardino Mountains. Additionally, the Fontana Days Festival, held in May, celebrates the city’s history and culture with live music, food, and family-friendly entertainment.

Fall (September-November):

As summer transitions into fall, Fontana experiences a gradual cooling of temperatures, with highs ranging from the mid-70s to low-60s Fahrenheit. The humidity levels decrease, creating crisp and refreshing air. The foliage puts on a stunning display as the trees turn vibrant shades of yellow, orange, and red. Fall is an excellent time to explore the nearby Angeles National Forest and take in the breathtaking mountain views. The Fontana Farmers Market, open on Saturdays throughout the season, offers an array of fresh produce, baked goods, and artisanal crafts for a delightful taste of local flavors.

Overview and Potential

Fontana, California, boasts plentiful sunlight, making it an ideal location for harnessing solar energy. With an average of over 300 sunny days per year, the city has a high potential for solar power generation. The abundant sunlight provides ample opportunities for residential, commercial, and industrial solar installations. By investing in solar energy, Fontana can reduce its dependence on non-renewable energy sources and contribute to a cleaner, more sustainable future.

Current Status and Initiatives

Fontana has made significant strides in promoting solar energy. The city has implemented several initiatives to encourage the adoption of solar technology, including tax incentives, rebates, and streamlined permitting processes. These measures have resulted in a growing number of solar installations throughout the city. Moreover, local utility companies are collaborating with homeowners and businesses to provide access to affordable solar solutions. The city’s commitment to solar energy has earned it recognition as one of the leading solar cities in California.

Topography of Fontana, United States

Fontana, California is situated in the San Bernardino Valley, an extensive flatland surrounded by the San Gabriel Mountains to the west and the San Bernardino Mountains to the north and east. The city’s central location within the valley grants it relatively flat terrain, with gradual slopes towards the surrounding foothills. The average elevation of Fontana is approximately 340 feet (104 meters) above sea level, and the landscape is characterized by rolling hills, mesas, and gentle valleys. The most prominent topographic feature in the vicinity is the Cucamonga Peak, an elevation of 2,079 feet (634 meters) located just northeast of the city.

Fontana’s topography is largely influenced by its geological history. The San Bernardino Valley was formed by tectonic activity millions of years ago, creating a rift valley that later filled with sediment. The present-day landscape is the result of erosion and deposition by rivers and streams, which have carved out channels and shaped the hills and mesas. The relatively flat terrain of Fontana makes it suitable for agricultural activities and urban development, contributing to its growth as a major hub for manufacturing and distribution in Southern California.

Ontario International Airport (ONT)

Ontario International Airport (ONT) is the closest airport to Fontana, California, located approximately 10 miles (16 kilometers) away. ONT serves as a major hub for Southwest Airlines and offers a wide range of both domestic and international flight options. The airport features a modern terminal with a variety of amenities, including restaurants, shops, and transportation services. ONT provides convenient access to the Inland Empire region of Southern California, which includes the cities of Ontario, Fontana, and Rancho Cucamonga.

Los Angeles International Airport (LAX)

Los Angeles International Airport (LAX) is located approximately 45 miles (72 kilometers) from Fontana and is the second-closest airport in terms of proximity. LAX is a major international hub and offers a vast selection of flight options to destinations worldwide. The airport boasts numerous terminals, state-of-the-art facilities, and a wide array of amenities, including restaurants, bars, shops, and transportation services. LAX is easily accessible by car or public transportation, making it a convenient choice for travelers seeking a wider range of flight options or international connections.

Demographics and Economy

Fontana, located in San Bernardino County, California, is the 17th most populous city in the state, with a population of approximately 210,000. The city is home to a diverse population, with Hispanic and Latino residents constituting the majority. Fontana’s economy is primarily driven by the manufacturing, distribution, and logistics industries. The city’s strategic location near major highways, rail lines, and international airports has attracted numerous companies, including Ford Motor Company, Kaiser Permanente, and Amazon.

Culture and Recreation

Fontana offers a vibrant cultural scene, featuring a variety of art, music, and theater venues. The city’s Historic Downtown district showcases historic buildings and hosts special events throughout the year. The Auto Club Speedway, located in Fontana, is a popular destination for fans of motorsports, hosting major NASCAR and IndyCar races. The city also boasts several parks and recreational facilities, including the 230-acre Glen Helen Regional Park, which offers hiking, biking, and camping opportunities.