Weather and climate in Yucca Valley, CA

Local time 4:22 am PST 34.11° N, 116.43° W
Best for stargazingOct, Nov, SepMost clear, dark hours
Warmest monthJulyAverage high 100°F
Coolest monthDecemberAverage low 35°F
Wettest monthJanuary0.9 in on average

What the weather is like in Yucca Valley

The warmest month in Yucca Valley is July, with average highs of 100°F. The coolest is December, when nights average 35°F. About 5.0 in of rain and snow falls in a typical year, most in January and least in June.

Skies are clearest in June (14% average cloud cover) and cloudiest in December (39%). Combining cloud with the length of truly dark nights, October, November, September offer the most clear, dark hours for stargazing.

Clear, dark hours per night

Hours of full astronomical darkness in mid-month, multiplied by the average share of clear sky. A rough guide to how much good observing time a typical night offers.

Monthly averages

MonthHighLowPrecipitationCloud coverHumidityWindDark hours
January 58°F 36°F 0.9 in 38% 48% 4 mph 10.9 h
February 61°F 37°F 0.9 in 37% 48% 5 mph 10.2 h
March 68°F 42°F 0.4 in 34% 45% 5 mph 9.2 h
April 75°F 46°F 0.2 in 27% 40% 6 mph 8.0 h
May 85°F 54°F 0.1 in 20% 34% 6 mph 6.8 h
June 96°F 63°F 0.0 in 14% 24% 6 mph 6.1 h
July 100°F 72°F 0.3 in 25% 26% 5 mph 6.4 h
August 98°F 71°F 0.3 in 19% 26% 5 mph 7.6 h
September 92°F 65°F 0.2 in 16% 29% 5 mph 8.8 h
October 79°F 53°F 0.3 in 21% 33% 5 mph 9.9 h
November 67°F 43°F 0.4 in 30% 39% 4 mph 10.7 h
December 57°F 35°F 0.9 in 39% 48% 4 mph 11.1 h

Climate nearby

Climate averages: NASA POWER, 2001–2025, for the grid area around 34.00, -116.25 (about 50 km across). High and low temperatures are estimated from the monthly mean and the average daily range. Hills, coasts and cities can differ from the area average. Sources and methods.