August Weather in Morongo Valley, United States

Last updated: June 24, 2025

In August, the average temperature in Morongo Valley, United States hovers around 29°C (85°F). Expect a range that can dip to a cool 16°C (61°F) at night and soar as high as 41°C (106°F) during the day. With a modest precipitation of just 4 mm (0.2 in) over 1 day, the climate remains fairly dry, complemented by an average humidity of 42%.

August Temperature in Morongo Valley

In August in Morongo Valley, the average temperature is 29°C (85°F), with maximums reaching 41°C (106°F) and minimums dropping to as low as 16°C (61°F). It's advisable to pack lightweight clothing for the daytime and a light jacket for the cooler evenings while enjoying your travels.

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

The chart illustrates August temperature patterns in Morongo Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Morongo Valley, August typically has an average temperature of 29°C (85°F), with highs reaching up to 41°C (106°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec495055636979858478665749
Data source: Temperature data for Morongo 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 Morongo Valley

In Morongo Valley in August, the precipitation amount is 4 mm (0.2 in) during 1 day.

August Precipitation Trends in Morongo Valley

The chart displays monthly precipitation patterns in Morongo 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 Morongo Valley, August typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec303222145264251133
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Morongo Valley

In Morongo Valley in August humidity is 42%. With an average temperature of 29°C (85°F), this humidity feels like a warm embrace, making it comfortable for outdoor activities and travel.

August Average Humidity in Morongo Valley

This chart illustrates the average monthly humidity levels in Morongo 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 Morongo Valley is approximately 42%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Morongo Valley

In Morongo 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 Morongo Valley.

Maximum UV Index Levels in Morongo Valley for August

The chart shows the monthly maximum UV Index (UVI) for Morongo 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 Morongo Valley typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111212131110854
Data source: Morongo 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 Morongo Valley Compares to Other Months

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

This table compares monthly weather conditions in Morongo Valley, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)30 mm (1.2 inches)72%moderate
February Weather10°C (51°F)32 mm (1.3 inches)77%high
March Weather13°C (55°F)22 mm (0.9 inches)67%very high
April Weather17°C (64°F)14 mm (0.5 inches)56%extreme
May Weather20°C (69°F)5 mm (0.2 inches)46%extreme
June Weather26°C (80°F)1 mm (0.1 inches)48%extreme
July Weather29°C (85°F)6 mm (0.3 inches)46%extreme
August Weather29°C (85°F)4 mm (0.2 inches)42%extreme
September Weather25°C (78°F)2 mm (0.1 inches)52%very high
October Weather19°C (66°F)5 mm (0.2 inches)58%very high
November Weather14°C (58°F)11 mm (0.4 inches)66%moderate
December Weather9°C (49°F)33 mm (1.3 inches)74%moderate

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