Willows, CA

Climate overview — based on NOAA 1991-2020 normals from WILLOWS 6 W, CA US.

Csa Hot-summer Mediterranean climate 9a USDA hardiness Zone 9a

Year-round temperatures (°F)

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

Climate summary

Willows has an annual average temperature of 63.7°F with about 21.9 inches of precipitation per year. The warmest month is July (average high 94.8°F), and the coldest is December (average low 39.0°F). January is typically the wettest month (4.40 in) and July the driest (0.03 in).

Annual swing
30.1°F
warmest to coldest month
Heating need
2,016
Cooling need
1,542

Best time to visit Willows

Full guide →

Climate change signal

All-time records →

46 of 366 (12.6%) of Willows'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.

1900s
2
1910s
42
1920s
34
1930s
39
1940s
31
1950s
33
1960s
22
1970s
17
1980s
18
1990s
25
2000s
40
2010s
40
2020s
23

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 58.4°F 40.0°F 49.2°F 4.40 in
February 62.8°F 41.9°F 52.3°F 4.19 in
March 67.9°F 44.1°F 56.0°F 2.77 in
April 74.7°F 47.3°F 61.0°F 1.53 in
May 82.5°F 54.0°F 68.2°F 1.20 in
June 90.2°F 60.1°F 75.1°F 0.46 in
July 94.8°F 62.9°F 78.8°F 0.03 in
August 93.6°F 61.3°F 77.5°F 0.07 in
September 91.0°F 58.4°F 74.7°F 0.22 in
October 81.6°F 52.6°F 67.1°F 1.08 in
November 67.3°F 43.9°F 55.6°F 2.35 in
December 58.4°F 39.0°F 48.7°F 3.58 in

Climate twins of Willows

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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