Twentynine Palms Weather in July

The climate in Twentynine Palms during July can be summarized as very hot and dry.

July is in the summer in Twentynine Palms and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 37°C (99°F), whilst at night 20°C (68°F) is normal.

On average July is the 5th driest month of the year in Twentynine Palms with around 16mm 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 12.6 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 Twentynine Palms in July 2025.