August Weather in Fort Irwin, United States

Last updated: June 24, 2025

In Fort Irwin, United States, the average temperature in August is a warm 31°C (88°F), with daily variations ranging from a cool 16°C (61°F) to a sizzling 43°C (110°F). Expect minimal rainfall with only 1 mm (0.0 in) over the month, spread across 0 days, and enjoy a comfortable average humidity of 28%.

August Temperature in Fort Irwin

In August in Fort Irwin, the average temperature is 31°C (88°F), with maximums reaching 43°C (110°F) and minimums dipping as low as 16°C (61°F). This diverse range of temperatures makes Fort Irwin an ideal destination for travelers who enjoy warm weather while also seeking cooler evenings.

August Weather in Fort Irwin: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Fort Irwin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Irwin, August typically has an average temperature of 31°C (88°F), with highs reaching up to 43°C (110°F) and lows dropping to around 16°C (61°F).

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

August Precipitation in Fort Irwin

In Fort Irwin in August, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

August Precipitation Trends in Fort Irwin

The chart displays monthly precipitation patterns in Fort Irwin, 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 Fort Irwin, August typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Fort Irwin

In Fort Irwin in August, humidity is 28%. With an average temperature of 31°C (88°F), this humidity feels like a warm embrace, making traveling feel pleasantly tropical yet still comfortable, allowing for enjoyable outdoor exploration without overwhelming stickiness.

August Average Humidity in Fort Irwin

This chart illustrates the average monthly humidity levels in Fort Irwin, 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 Fort Irwin is approximately 28%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Fort Irwin

In Fort Irwin 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 Fort Irwin.

Maximum UV Index Levels in Fort Irwin for August

The chart shows the monthly maximum UV Index (UVI) for Fort Irwin 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 Fort Irwin typically reaches 11, which falls under the extreme exposure category.

Data source: Fort Irwin 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 Fort Irwin Compares to Other Months

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

This table compares monthly weather conditions in Fort Irwin, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	22 mm (0.9 inches)	76%	moderate
February Weather	10°C (51°F)	15 mm (0.6 inches)	80%	high
March Weather	13°C (57°F)	17 mm (0.7 inches)	69%	very high
April Weather	18°C (65°F)	12 mm (0.5 inches)	57%	very high
May Weather	22°C (72°F)	4 mm (0.2 inches)	45%	extreme
June Weather	28°C (83°F)	1 mm (0.0 inches)	34%	extreme
July Weather	32°C (89°F)	3 mm (0.1 inches)	29%	extreme
August Weather	31°C (88°F)	1 mm (0.0 inches)	28%	extreme
September Weather	27°C (80°F)	1 mm (0.0 inches)	41%	very high
October Weather	19°C (67°F)	3 mm (0.1 inches)	54%	high
November Weather	13°C (56°F)	6 mm (0.2 inches)	68%	moderate
December Weather	8°C (46°F)	18 mm (0.7 inches)	75%	moderate