August Weather in Central Valley, United States

Last updated: June 24, 2025

In August, the average temperature in Central Valley, United States hovers around 23°C (74°F). Expect a minimum of 12°C (54°F) and a maximum of 34°C (94°F). With 124 mm (4.9 in) of precipitation over 13 days, be prepared for some rain. The average humidity rests at a comfortable 65%, making this a pleasant month to experience the locale!

August Temperature in Central Valley

In August in Central Valley, the average temperature is 23°C (74°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 12°C (54°F). This comfortable climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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 23°C (74°F), with highs reaching up to 34°C (94°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec313439506069757367574335
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 124 mm (4.9 in) over a span of 13 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 124 mm (4.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec6997901161239714612412314290106
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 65%. With an average temperature of 23°C (74°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat challenging but still enjoyable with the right planning.

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 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
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 is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
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-1°C (31°F)69 mm (2.7 inches)84%moderate
February Weather1°C (34°F)97 mm (3.8 inches)82%moderate
March Weather4°C (39°F)90 mm (3.5 inches)81%high
April Weather10°C (50°F)116 mm (4.6 inches)78%very high
May Weather15°C (60°F)123 mm (4.8 inches)69%very high
June Weather21°C (69°F)97 mm (3.8 inches)69%very high
July Weather24°C (75°F)146 mm (5.7 inches)62%very high
August Weather23°C (74°F)124 mm (4.9 inches)65%very high
September Weather19°C (67°F)123 mm (4.8 inches)68%very high
October Weather14°C (57°F)142 mm (5.6 inches)74%high
November Weather6°C (43°F)90 mm (3.5 inches)82%moderate
December Weather2°C (35°F)105 mm (4.2 inches)80%low

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