Blythe, CA

Climate overview — based on NOAA 1991-2020 normals from BLYTHE, 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

Blythe has an annual average temperature of 73.4°F with about 3.6 inches of precipitation per year. The warmest month is July (average high 109.7°F), and the coldest is December (average low 38.2°F). February is typically the wettest month (0.64 in) and June the driest (0.00 in).

Annual swing
41.8°F
warmest to coldest month
Heating need
981
Cooling need
4,020

Best time to visit Blythe

Full guide →

Climate change signal

All-time records →

12 of 366 (3.3%) of Blythe'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.

1910s
42
1920s
30
1930s
45
1940s
45
1950s
58
1960s
14
1970s
19
1980s
20
1990s
22
2000s
24
2010s
47
2020s
0

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 69.2°F 40.4°F 54.8°F 0.57 in 3
February 73.3°F 43.3°F 58.3°F 0.64 in 3
March 80.5°F 48.5°F 64.5°F 0.42 in 2
April 88.5°F 55.0°F 71.7°F 0.12 in 1
May 97.8°F 63.2°F 80.5°F 0.07 in 0
June 105.8°F 70.8°F 88.3°F 0.00 in 0
July 109.7°F 78.1°F 93.9°F 0.18 in 1
August 108.5°F 78.3°F 93.4°F 0.35 in 1
September 103.8°F 71.0°F 87.4°F 0.38 in 1
October 90.9°F 56.7°F 73.8°F 0.22 in 1
November 77.9°F 47.3°F 62.6°F 0.16 in 1
December 66.0°F 38.2°F 52.1°F 0.50 in 2

Climate twins of Blythe

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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