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August Weather in West Valley, United States

Last updated: June 24, 2025

In August, the average temperature in West Valley, United States is a pleasant 20°C (68°F). Expect a minimum of 6°C (43°F) and a maximum of 31°C (87°F) throughout the month. Be prepared for some rain, with an average precipitation amount of 109 mm (4.3 in) spread over 15 days. The air tends to be fairly humid, with an average humidity level of 72%.

August Temperature in West Valley

In August in West Valley, the average temperature is 20°C (68°F). Maximum temperatures can reach 31°C (87°F), while minimums can dip as low as 6°C (43°F). Be sure to pack layers to enjoy both warm days and cooler evenings during your travels.

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

The chart illustrates August temperature patterns in West Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Valley, August typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (87°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec242733445765706862513730
Data source: Temperature data for West 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 West Valley

In West Valley in August, the precipitation amount is 109 mm (4.3 in) spread over 15 days.

August Precipitation Trends in West Valley

The chart displays monthly precipitation patterns in West 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 West Valley, August typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec971049712913112415210983149114115
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in West Valley

In West Valley in August humidity is 72%. With an average temperature of 20°C (68°F), this humidity feels like a heavy blanket enveloping you, making every step slightly more laborious and the air thick with moisture, which can be uncomfortable for traveling.

August Average Humidity in West Valley

This chart illustrates the average monthly humidity levels in West 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 West Valley is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in West Valley

In West 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 West Valley.

Maximum UV Index Levels in West Valley for August

The chart shows the monthly maximum UV Index (UVI) for West 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 West Valley typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: West 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 West Valley Compares to Other Months

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

This table compares monthly weather conditions in West Valley, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)97 mm (3.8 inches)91%moderate
February Weather-3°C (27°F)104 mm (4.1 inches)91%moderate
March Weather1°C (33°F)97 mm (3.8 inches)88%high
April Weather7°C (44°F)129 mm (5.1 inches)88%very high
May Weather14°C (57°F)131 mm (5.2 inches)82%very high
June Weather18°C (65°F)124 mm (4.9 inches)79%very high
July Weather21°C (70°F)152 mm (6.0 inches)77%very high
August Weather20°C (68°F)109 mm (4.3 inches)72%very high
September Weather17°C (62°F)83 mm (3.3 inches)76%very high
October Weather11°C (52°F)149 mm (5.9 inches)83%high
November Weather3°C (37°F)114 mm (4.5 inches)88%moderate
December Weather-1°C (30°F)115 mm (4.5 inches)87%low

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