Joshua Tree Weather in May

What's the weather like in Joshua Tree (California) in May 2025?

The climate in Joshua Tree during May can be summarized as warm and dry.

May is in the spring in Joshua Tree and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 10°C (50°F) is normal.

Joshua Tree weather averages (imperial / metric)
Daytime temperature 26.3°C 79.3°F
Nightly temperature 10.2°C 50.3°F
Average temperature 18.2°C 64.8°F
Daily sunshine 11.3 hrs
Avg rainfall 14 mm 0.6 ins
Rainy days 1 days
Sea temperature 15.5°C 59.9°F
Humidity 45%
Windspeed 15.8kph 10 mph

On average May is the 2nd driest month of the year in Joshua Tree with around 14mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 1 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.3 hours of sunshine per day.

May temperatures in Joshua Tree

Joshua Tree average temperature in May

May rainfall

Joshua Tree average rain in May

May hourly sunshine

Joshua Tree average rain in May

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 May 2025.