weather in twentynine palms ca
Average Weather in Twentynine Palms California, United States. Twentynine Palms has a hot desert climate. The temperature typically varies from 38Â°F to 102Â°F over the course of the year, and is rarely below 30Â°F or above 108Â°F. The hot season lasts for 108 days, from June 3 to September 19, with an average daily high temperature above 94Â°F.