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August Weather in Twentynine Palms, United States

Last updated: June 24, 2025

In Twentynine Palms, United States, the average temperature in August hovers around 33°C (91°F), with a minimum of 19°C (67°F) and a scorching maximum of 44°C (112°F). Visitors can expect minimal rainfall, totaling just 7 mm (0.3 in) over 2 days. The atmosphere is relatively dry, with an average humidity of only 28%.

August Temperature in Twentynine Palms

In August in Twentynine Palms, the average temperature is 33°C (91°F). Maximums can reach 44°C (112°F), and minimums can be as low as 19°C (67°F). Be prepared for hot weather and pack accordingly for your travels!

August Weather in Twentynine Palms: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Twentynine Palms, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Twentynine Palms, August typically has an average temperature of 33°C (91°F), with highs reaching up to 44°C (112°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec525460697586929183706050
Data source: Temperature data for Twentynine Palms 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 Twentynine Palms

In Twentynine Palms in August, the precipitation amount is 7 mm (0.3 in) over a period of 2 days.

August Precipitation Trends in Twentynine Palms

The chart displays monthly precipitation patterns in Twentynine Palms, 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 Twentynine Palms, August typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec15171483113735519
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Twentynine Palms

In Twentynine Palms in August humidity is 28%. With an average temperature of 33°C (91°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but requiring travelers to stay hydrated and seek shade during the peak sun hours.

August Average Humidity in Twentynine Palms

This chart illustrates the average monthly humidity levels in Twentynine Palms, 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 Twentynine Palms is approximately 28%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%69%57%45%34%29%28%42%54%68%75%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Twentynine Palms

In Twentynine Palms 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 Twentynine Palms.

Maximum UV Index Levels in Twentynine Palms for August

The chart shows the monthly maximum UV Index (UVI) for Twentynine Palms 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 Twentynine Palms typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110854
Data source: Twentynine Palms 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 Twentynine Palms Compares to Other Months

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

This table compares monthly weather conditions in Twentynine Palms, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)15 mm (0.6 inches)76%moderate
February Weather12°C (54°F)17 mm (0.7 inches)80%high
March Weather15°C (60°F)14 mm (0.6 inches)69%very high
April Weather21°C (70°F)8 mm (0.3 inches)57%very high
May Weather24°C (76°F)2 mm (0.1 inches)45%extreme
June Weather30°C (87°F)1 mm (0.0 inches)34%extreme
July Weather33°C (92°F)13 mm (0.5 inches)29%extreme
August Weather33°C (91°F)7 mm (0.3 inches)28%extreme
September Weather29°C (84°F)3 mm (0.1 inches)41%very high
October Weather21°C (70°F)5 mm (0.2 inches)54%very high
November Weather15°C (60°F)5 mm (0.2 inches)68%moderate
December Weather10°C (51°F)19 mm (0.7 inches)75%moderate

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