Joshua Tree Weather in July

The climate in Joshua Tree during July can be summarized as hot and dry.

July is in the summer in Joshua Tree and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 36°C (97°F), whilst at night 19°C (66°F) is normal.

On average July is the 3rd driest month of the year in Joshua Tree with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.

On the flip side this corresponds to an average of 12.5 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 Joshua Tree in July 2025.