Twentynine Palms, CA

Climate overview — based on NOAA 1991-2020 normals from TWENTYNINE PALMS, CA US.

BWh Desert (hot) climate 9a USDA hardiness Zone 9a

Year-round temperatures (°F)

30° 50° 70° 90° 110° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Twentynine Palms has an annual average temperature of 70.3°F with about 3.9 inches of precipitation per year. The warmest month is July (average high 104.0°F), and the coldest is December (average low 39.9°F). August is typically the wettest month (0.65 in) and June the driest (0.00 in).

Annual swing
39.8°F
warmest to coldest month
Heating need
1,344
Cooling need
3,261

Best time to visit Twentynine Palms

Full guide →

Climate change signal

All-time records →

41 of 366 (11.2%) of Twentynine Palms's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1930s
12
1940s
37
1950s
68
1960s
30
1970s
34
1980s
49
1990s
39
2000s
49
2010s
22
2020s
26

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 63.3°F 41.8°F 52.6°F 0.50 in 4
February 67.2°F 44.1°F 55.7°F 0.56 in 3
March 74.1°F 49.3°F 61.7°F 0.35 in 2
April 81.1°F 54.5°F 67.8°F 0.12 in 1
May 89.9°F 62.9°F 76.4°F 0.05 in 1
June 99.4°F 70.7°F 85.1°F 0.00 in 0
July 104.0°F 77.4°F 90.7°F 0.40 in 2
August 102.7°F 76.4°F 89.6°F 0.65 in 2
September 96.5°F 69.3°F 82.9°F 0.34 in 2
October 84.7°F 57.8°F 71.2°F 0.15 in 1
November 71.6°F 47.0°F 59.3°F 0.19 in 1
December 62.0°F 39.9°F 50.9°F 0.56 in 2

Climate twins of Twentynine Palms

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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