April Weather in Fort Irwin, United States

Last updated: June 24, 2025

In April, the average temperature in Fort Irwin, United States is a comfortable 18°C (65°F). Expect a minimum chill of 3°C (38°F) and a warm maximum of 35°C (95°F). With an average humidity of 57%, it’s a pleasant time for outdoor activities. Although you might encounter a bit of rain, with 12 mm (0.5 in) of precipitation over 1 day, it adds just a touch of freshness to the air. Enjoy the climate!

April Temperature in Fort Irwin

In April in Fort Irwin, the average temperature is 18°C (65°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 3°C (38°F). This variation in temperature makes it essential for travelers to pack both light and warm clothing to ensure comfort during their visit.

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

The chart illustrates April 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, April typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (38°F).

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

April Precipitation in Fort Irwin

In Fort Irwin in April, the precipitation amount is 12 mm (0.5 in) over the course of 1 day.

April Precipitation Trends in Fort Irwin

The chart displays monthly precipitation patterns in Fort Irwin, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Fort Irwin, April typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 1 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Fort Irwin

In Fort Irwin in April, humidity is 57%. With an average temperature of 18°C (65°F), this humidity feels like a refreshing yet slightly sticky embrace, making it perfect for outdoor excursions but requiring a bit of extra care to stay comfortable while exploring.

April Average Humidity in Fort Irwin

This chart illustrates the average monthly humidity levels in Fort Irwin, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Fort Irwin is approximately 57%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Fort Irwin

In Fort Irwin in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Fort Irwin.

Maximum UV Index Levels in Fort Irwin for April

The chart shows the monthly maximum UV Index (UVI) for Fort Irwin in April, 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 April, the maximum UV index in Fort Irwin typically reaches 10, which falls under the very high exposure category.

Data source: Fort Irwin April 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 April 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 April’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 April’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