Tracy Climate & Monthly Temperature Overview – United States

Summer and Fall in Tracy

Tracy experiences scorching summers with average temperatures reaching up to 87°F (31°C) in July and August. The months of June, July, and August also receive the most rainfall, with an average of 1-2 inches each month. However, the humidity levels tend to be low, making the heat more bearable. Fall arrives in September, bringing with it cooler temperatures and less humidity. The days remain pleasant, with average temperatures ranging from 60-70°F (16-21°C), while the nights cool down significantly.

Winter and Spring in Tracy

Winter in Tracy is characterized by cool temperatures and little rain. December and January are the coldest months, with average temperatures dipping to 40°F (4°C). However, it’s rare for temperatures to drop below freezing. Spring arrives in March, and temperatures rise steadily. April and May are generally warm and sunny, with average temperatures ranging from 55-65°F (13-18°C). Precipitation increases slightly during springtime, typically amounting to 1-2 inches per month.

Average Temperature

Tracy, located in California’s Central Valley, enjoys a Mediterranean climate characterized by warm, dry summers and mild, wet winters. The average annual temperature hovers around 59.5°F (15.3°C), with July being the warmest month at an average of 76.4°F (24.7°C) and January the coolest at 44.1°F (6.7°C). The diurnal temperature range is also significant, especially during the summer months, where temperatures can fluctuate between a morning low in the 50s to an afternoon high in the 90s.

Seasonal Variations

Tracy’s seasonal temperature variations are pronounced, with summer temperatures soaring into the 90s and even occasionally reaching triple digits. However, the region experiences relatively mild winters, with temperatures rarely dipping below freezing. The average temperature during the warmest three months, June through August, is 72.6°F (22.6°C), while the average temperature during the coldest three months, December through February, is 46.7°F (8.2°C). The transition between seasons is gradual, with spring and fall witnessing a gradual increase and decrease in temperatures, respectively.

Current Cloud Conditions

Tracy, United States, is currently experiencing partly cloudy conditions. Satellite imagery shows scattered clouds covering approximately 40% of the sky. The cloud cover is expected to dissipate throughout the day, with mostly sunny conditions by the afternoon. The cloud type is predominantly cirrus, which is composed of ice crystals and appears as thin, wispy streaks in the sky.

Cloud Forecast

In the coming hours, the cloud cover in Tracy is predicted to decrease further, leaving only a few scattered clouds in the afternoon. The National Weather Service forecasts mostly clear skies for the remainder of the day and into the evening. The low cloud cover and high-pressure system will result in favorable viewing conditions for stargazing and other astronomical activities.

Annual Precipitation

Tracy, United States experiences an average annual precipitation of 14.1 inches (358 mm). This precipitation is fairly evenly distributed throughout the year, with slightly drier conditions during the summer months. The wettest months are typically January and February, which each receive an average of over 2 inches (50 mm) of precipitation. The driest month is typically August, which receives an average of just over 0.5 inches (13 mm) of precipitation.

Precipitation Patterns

Precipitation in Tracy is primarily influenced by the Mediterranean climate of the region. This climate is characterized by warm, dry summers and mild, wet winters. During the summer months, the Pacific High pressure system creates a stable weather pattern that results in very little precipitation. In the winter months, the Pacific High shifts to the south, allowing storm systems from the Pacific Ocean to move into the area. These storm systems bring with them the majority of the precipitation that Tracy receives during the year.

Monthly Distribution of Rainfall in Tracy

Tracy experiences a Mediterranean climate characterized by hot, dry summers and mild, wet winters. The average annual rainfall is approximately 15 inches, with the majority of rain falling between November and April. During these months, the average monthly rainfall ranges from 1 to 3 inches. In contrast, the summer months (May to October) are extremely dry, with an average monthly rainfall of less than 0.5 inches. This seasonality in rainfall is influenced by the Pacific Ocean’s proximity, which brings moisture to the area during the winter months.

Impact of Rainfall on the Region

The rainfall patterns in Tracy have a significant impact on the region’s agriculture. The winter rains provide ample moisture for crops, particularly for almonds, wine grapes, and walnuts. These crops require consistent water throughout the growing season, and the reliable rainfall during the winter months ensures optimal yields. However, the extremely dry summers can pose challenges for farmers who need to irrigate their crops to prevent water stress. The availability of groundwater and surface water is crucial during these dry periods, with many farmers relying on reservoirs and canals for irrigation. Additionally, the rainfall patterns influence the region’s wildfire risk. During dry summer months, the lack of rainfall increases the flammability of vegetation, making the area more susceptible to wildfires.

Snowfall History in Tracy

Tracy, located in the San Joaquin Valley of California, is not known for its snowfall. The city experiences a Mediterranean climate, with hot, dry summers and mild, wet winters. However, there have been a few instances of snow accumulation in the past.

Recent Snowfall Events

One of the most significant snowfall events in Tracy occurred in December 1998. During this event, the city received approximately 2 inches of snow. This event was particularly noteworthy because it was only the second time in 50 years that snow had accumulated more than an inch in Tracy. Another notable snowfall event occurred in February 2021, when the city received approximately 1.5 inches of snow. While snowfall is rare in Tracy, these events demonstrate that it is not impossible.

Average Sunshine Hours

Tracy, California, enjoys abundant sunshine throughout the year. On average, the city receives approximately 2900 sunshine hours annually, translating to an average of 8 hours of sunshine per day. The sunniest months are July and August, with an average of 11 hours of sunshine per day. Even during the cloudiest months, January and February, Tracy still experiences an average of 5 hours of sunshine daily.

Seasonal Variations

The seasonal distribution of sunshine in Tracy is influenced by the region’s Mediterranean climate. Summers are characterized by hot, dry conditions with clear skies and minimal cloud cover, resulting in extended periods of sunshine. In contrast, winters are mild and slightly wetter, with an increase in cloud coverage that reduces the number of daily sunshine hours. However, even during the winter months, the skies often remain clear for several hours each day, allowing for a fair amount of sunshine.

Moonrise and Moonset Times in Tracy

The moon’s daily rising and setting times vary throughout the month in Tracy, United States. On average, the moon rises around 6:30 PM and sets around 6:30 AM during the summer months. During the winter months, the moon typically rises around 4:30 PM and sets around 4:30 AM. These times can vary by a few minutes each day, so it’s best to check the specific dates for accurate information. For example, on June 21st, 2023, the moon will rise at 6:32 PM and set at 6:38 AM. On December 21st, 2023, the moon will rise at 4:29 PM and set at 4:35 AM.

Moon Phases in Tracy

The moon goes through a cycle of phases as it orbits Earth, and these phases are visible from Tracy, United States. The most common phases are the new moon, crescent moon, first quarter moon, gibbous moon, full moon, waning gibbous moon, third quarter moon, and waning crescent moon. The new moon occurs when the moon is between Earth and the sun, and the side facing Earth is not illuminated. The full moon occurs when the moon is on the opposite side of Earth from the sun, and the side facing Earth is fully illuminated. The other phases show different amounts of the moon’s illuminated side. The moon’s phases can affect the tides, animal behavior, and even human sleep patterns.

Average Humidity Levels

Tracy, United States, generally experiences moderate humidity levels throughout the year. The annual average relative humidity ranges between 68% and 72%, indicating a slightly humid climate. During the summer months (June-September), humidity tends to be higher, with average relative humidity levels hovering around 72-75%. This increase in humidity can contribute to feelings of discomfort and heat, especially when combined with high temperatures.

Seasonal Variation and Extreme Humidity

In winter (December-February), humidity levels drop significantly to an average relative humidity of 68-70%. This drier air can lead to increased evaporation from skin and surfaces, potentially causing dryness and discomfort. Occasionally, Tracy may experience periods of extreme humidity, particularly during summer thunderstorms or fog events. Relative humidity can spike above 80%, creating an oppressive and muggy atmosphere. These episodes can last for several hours or even days.

Wind Patterns and Speed in Tracy, United States

Tracy, California is situated in a region influenced by both the Pacific Coast and the San Joaquin Valley. The climate in Tracy is characterized by warm, dry summers and mild, rainy winters. The prevailing wind direction in Tracy is from the west-northwest, bringing in cool, moist air from the Pacific Ocean. During the summer months, the average wind speed in Tracy is around 10 miles per hour (16 kilometers per hour), while in the winter months, the average wind speed decreases to about 5 miles per hour (8 kilometers per hour).

Seasonal Variations in Wind

The wind patterns in Tracy vary with the seasons. During the spring, the prevailing wind direction shifts to the south-southeast, bringing in warm, dry air from the San Joaquin Valley. This warm air can cause temperatures in Tracy to rise rapidly, leading to occasional spring heat waves. In the fall, the prevailing wind direction returns to the west-northwest, bringing in cooler, moister air from the Pacific Ocean. This change in wind direction often brings with it an increase in precipitation, as the moist air condenses and forms clouds and rain.

Spring (March-May):

Spring in Tracy offers a delightful blend of mild temperatures and vibrant greenery. The average temperature during this season ranges from the mid-50s to mid-70s, making it ideal for outdoor activities. The Tracy Sports Complex and West Valley Trail provide ample opportunities for recreation and exercise. Visitors can also indulge in the vibrant blooms at the Tracy Garden Center or explore the historic downtown area, adorned with charming shops and eateries.

Fall (September-November):

Fall in Tracy is characterized by crisp, refreshing weather and spectacular foliage. As the temperatures gradually decline, ranging from the mid-40s to mid-60s, the leaves of the deciduous trees begin to transform into a kaleidoscope of colors, painting the town in hues of gold, orange, and red. This season is perfect for scenic drives along Tracy Boulevard or visiting the Tracy Historical Museum to learn about the city’s rich past. The annual Tracy Pumpkin Festival, held in October, offers a fun-filled weekend of live music, food, and family-friendly activities.

Solar Energy Potential in Tracy

Tracy, United States enjoys abundant sunshine, making it a prime location for harnessing solar energy. The city experiences an average of 275 sunny days per year, with average solar insolation of 5.5 kWh/m²/day. This high level of solar radiation creates a favorable environment for photovoltaic (PV) and solar thermal systems. The city has already taken significant steps towards utilizing its solar potential, with numerous rooftop solar installations and a growing number of solar farms in the surrounding areas.

Economic and Environmental Benefits

Solar energy offers significant economic and environmental advantages for Tracy. Installing solar panels can reduce electricity bills and enhance energy independence. The city has implemented various incentives and rebates to encourage the adoption of solar energy, making it a cost-effective option for homeowners and businesses. Additionally, solar energy is a clean and renewable source that reduces greenhouse gas emissions, contributing to the city’s environmental sustainability goals. By harnessing the abundant sunshine in Tracy, the community can not only save money but also make a positive impact on the environment.

Geography

Tracy is situated in the San Joaquin Valley of California, approximately 55 miles southeast of San Francisco and 13 miles west of Stockton. It covers an area of 20.3 square miles, with a flat, low-lying terrain characterized by gently rolling hills and riverine floodplains. The city’s highest point is Mount Oso, located in the southeast corner, which rises to an elevation of 345 feet above sea level. The landscape is dominated by agricultural fields, orchards, and vineyards, with the San Joaquin River forming the city’s eastern boundary.

Elevation and Drainage

The elevation in Tracy ranges from 12 to 345 feet above sea level. The San Joaquin River serves as the primary drainage for the area, with its tributaries, such as Whiskey Slough and Tracy Creek, flowing through the city. The low-lying terrain makes Tracy prone to flooding during periods of heavy rainfall, especially in the winter months. To mitigate this risk, the city has implemented a comprehensive flood control system, including levees, storm drains, and detention basins. These measures aim to protect the city’s infrastructure and residents from flooding events.

Norman Y. Mineta San Jose International Airport (SJC)

The Norman Y. Mineta San Jose International Airport (SJC) is the nearest major airport to Tracy, California. Located approximately 45 miles (72 kilometers) northwest of the city, SJC offers a wide range of domestic and international flights. It serves as a hub for Southwest Airlines and is a focus city for Alaska Airlines. The airport has three terminals and provides transportation options such as taxis, rental cars, and public buses to Tracy.

Other Nearby Airports

In addition to SJC, there are several smaller airports within a reasonable distance of Tracy. The Stockton Metropolitan Airport (SCK) is located approximately 25 miles (40 kilometers) southwest of Tracy and offers limited commercial flights. The Oakland International Airport (OAK) is located approximately 55 miles (89 kilometers) northwest of Tracy and provides a broader range of domestic and international flights than SCK. However, both OAK and SCK have fewer direct flights to major destinations compared to SJC.

History of Tracy, California

Tracy is a city in San Joaquin County, California, United States. It is located in the Central Valley, about 50 miles (80 km) east of San Francisco and 30 miles (48 km) south of Sacramento. The city was founded in 1878 by a group of farmers and ranchers, and was named after Robert Tracy, a local landowner. Tracy quickly grew into an important agricultural center, and was the home of a large number of fruit orchards and vineyards. In the 20th century, Tracy became a major transportation hub, with the construction of the Altamont Pass Freeway and the Union Pacific Railroad. The city has also been home to a number of manufacturing facilities, including a General Motors plant and a Ford Motor Company plant.

Demographics of Tracy, California

According to the 2020 census, Tracy has a population of 96,111. The city is racially diverse, with a large Hispanic population (48.6%). Tracy is also home to a significant number of Asian Americans (16.6%), African Americans (7.4%), and Native Americans (1.6%). The median age in Tracy is 35.5 years, and the city has a median household income of $77,406. The majority of Tracy residents speak English as their primary language (73.6%), with Spanish being the second most common language (16.4%).