Fort Irwin Weather in April

The climate in Fort Irwin during April can be summarized as mild and very dry.

April is in the spring in Fort Irwin and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 8°C (47°F) is normal.

On average April is the 5th driest month of the year in Fort Irwin with around 9mm 0.4 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 11.2 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Fort Irwin in April 2025.