July Weather in Twentynine Palms, United States

Last updated: June 24, 2025

In July, the average temperature in Twentynine Palms, United States soars to a sizzling 33°C (92°F). Expect a comfortable minimum of 20°C (68°F), but be prepared for scorching highs that can reach up to 46°C (115°F). While the heat is on, precipitation is minimal, with only 13 mm (0.5 in) expected over 2 days, and an average humidity of just 29% keeps the atmosphere dry.

July Temperature in Twentynine Palms

In July in Twentynine Palms, the average temperature is 33°C (92°F). Maximums can reach 46°C (115°F), while minimums can drop to as low as 20°C (68°F). Travelers should be prepared for the heat and stay hydrated while exploring.

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

The chart illustrates July 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, July typically has an average temperature of 33°C (92°F), with highs reaching up to 46°C (115°F) and lows dropping to around 20°C (68°F).

Data source: Temperature data for Twentynine Palms generated using information from the Copernicus Climate Change Service.

July Precipitation in Twentynine Palms

In Twentynine Palms in July, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.

July Precipitation Trends in Twentynine Palms

The chart displays monthly precipitation patterns in Twentynine Palms, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Twentynine Palms, July typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 2 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Twentynine Palms

In Twentynine Palms in July humidity is 29%. With an average temperature of 33°C (92°F), this humidity feels like a warm embrace, making it perfect for short outdoor excursions but challenging for extended adventures without proper hydration and breaks in the shade.

July Average Humidity in Twentynine Palms

This chart illustrates the average monthly humidity levels in Twentynine Palms, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Twentynine Palms is approximately 29%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Twentynine Palms

In Twentynine Palms in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Twentynine Palms.

Maximum UV Index Levels in Twentynine Palms for July

The chart shows the monthly maximum UV Index (UVI) for Twentynine Palms in July, 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 July, the maximum UV index in Twentynine Palms typically reaches 12, which falls under the extreme exposure category.

Data source: Twentynine Palms July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	15 mm (0.6 inches)	76%	moderate
February Weather	12°C (54°F)	17 mm (0.7 inches)	80%	high
March Weather	15°C (60°F)	14 mm (0.6 inches)	69%	very high
April Weather	21°C (70°F)	8 mm (0.3 inches)	57%	very high
May Weather	24°C (76°F)	2 mm (0.1 inches)	45%	extreme
June Weather	30°C (87°F)	1 mm (0.0 inches)	34%	extreme
July Weather	33°C (92°F)	13 mm (0.5 inches)	29%	extreme
August Weather	33°C (91°F)	7 mm (0.3 inches)	28%	extreme
September Weather	29°C (84°F)	3 mm (0.1 inches)	41%	very high
October Weather	21°C (70°F)	5 mm (0.2 inches)	54%	very high
November Weather	15°C (60°F)	5 mm (0.2 inches)	68%	moderate
December Weather	10°C (51°F)	19 mm (0.7 inches)	75%	moderate