August Weather in Central Valley, United States

Last updated: June 24, 2025

In August, the average temperature in Central Valley, United States is a pleasant 21°C (71°F). Expect a minimum of 5°C (41°F) and a maximum reaching 35°C (95°F). During this month, anticipate about 20 mm (0.8 in) of precipitation spread across 4 days, with an average humidity of 34%. Enjoy the diverse weather while exploring this beautiful location!

August Temperature in Central Valley

In August in Central Valley, the average temperature is 21°C (71°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 5°C (41°F). This variety in temperature makes it essential to pack layers for your trip, ensuring comfort for both warm and cooler moments.

August Weather in Central Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Central Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Central Valley, August typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec232533415266727061443625
Data source: Temperature data for Central Valley generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Central Valley

In Central Valley in August, the total precipitation amount is 20 mm (0.8 in) spread over a period of 4 days.

August Precipitation Trends in Central Valley

The chart displays monthly precipitation patterns in Central Valley, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Central Valley, August typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec42555946449212023362740
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Central Valley

In Central Valley in August, humidity is 34%. With an average temperature of 21°C (71°F), this humidity feels like a comfortable balance, making it pleasant for traveling and outdoor activities. The air is breathable and refreshing, allowing for enjoyable exploration without the discomfort of excessive stickiness.

August Average Humidity in Central Valley

This chart illustrates the average monthly humidity levels in Central Valley, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Central Valley is approximately 34%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%77%70%54%45%37%34%47%67%82%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Central Valley

In Central Valley in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Central Valley.

Maximum UV Index Levels in Central Valley for August

The chart shows the monthly maximum UV Index (UVI) for Central Valley in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Central Valley typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121110764
Data source: Central Valley August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Central Valley Compares to Other Months

Weather in Central Valley varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Central Valley, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Central Valley, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)42 mm (1.6 inches)87%moderate
February Weather-4°C (26°F)55 mm (2.2 inches)88%high
March Weather0°C (33°F)59 mm (2.3 inches)77%very high
April Weather5°C (42°F)46 mm (1.8 inches)69%extreme
May Weather11°C (52°F)44 mm (1.7 inches)54%extreme
June Weather19°C (66°F)8 mm (0.3 inches)45%extreme
July Weather22°C (72°F)21 mm (0.8 inches)37%extreme
August Weather21°C (71°F)20 mm (0.8 inches)34%extreme
September Weather16°C (61°F)23 mm (0.9 inches)47%very high
October Weather7°C (44°F)36 mm (1.4 inches)67%high
November Weather2°C (37°F)27 mm (1.1 inches)82%high
December Weather-4°C (25°F)40 mm (1.6 inches)87%moderate

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