Barstow, CA

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

BWh Desert (hot) climate 8b USDA hardiness Zone 8b

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

Barstow has an annual average temperature of 65.7°F with about 5 inches of precipitation per year and 0.3 inches of snow. The warmest month is July (average high 102.1°F), and the coldest is December (average low 34.9°F). February is typically the wettest month (0.98 in) and June the driest (0.04 in). Snow typically falls from December through December.

Annual swing
40.7°F
warmest to coldest month
Heating need
2,130
Cooling need
2,385

Best time to visit Barstow

Full guide →

Climate change signal

All-time records →

98 of 366 (26.8%) of Barstow'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.

1980s
88
1990s
103
2000s
55
2010s
49
2020s
71

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 59.0°F 35.3°F 47.1°F 0.76 in 4
February 62.8°F 39.4°F 51.1°F 0.98 in 4
March 69.7°F 44.2°F 57.0°F 0.59 in 3
April 76.9°F 49.4°F 63.1°F 0.30 in 1
May 85.7°F 56.9°F 71.3°F 0.06 in 1
June 96.0°F 65.0°F 80.5°F 0.04 in 0
July 102.1°F 71.8°F 86.9°F 0.26 in 2
August 101.0°F 70.4°F 85.7°F 0.17 in 1
September 93.3°F 63.3°F 78.3°F 0.25 in 1
October 80.9°F 52.6°F 66.8°F 0.35 in 1
November 67.5°F 41.6°F 54.5°F 0.40 in 2
December 57.4°F 34.9°F 46.2°F 0.80 in 0.3 in 3

Climate twins of Barstow

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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