Greenfield, CA

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

BSk Semi-arid (cold) 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

Greenfield has an annual average temperature of 60.3°F with about 11.8 inches of precipitation per year. The warmest month is August (average high 85.2°F), and the coldest is December (average low 37.1°F). February is typically the wettest month (2.54 in) and July the driest (0.01 in).

Annual swing
19.8°F
warmest to coldest month
Heating need
2,118
Cooling need
417

Best time to visit Greenfield

Full guide →

Climate change signal

All-time records →

21 of 366 (5.7%) of Greenfield'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
18
1910s
128
1920s
73
1930s
22
1940s
2
1950s
17
1960s
9
1970s
21
1980s
22
1990s
4
2000s
24
2010s
11
2020s
15

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 38.3°F 50.8°F 2.44 in 9
February 65.3°F 40.3°F 52.8°F 2.54 in 9
March 69.9°F 42.3°F 56.1°F 1.98 in 8
April 73.9°F 44.0°F 58.9°F 0.83 in 5
May 78.0°F 47.7°F 62.8°F 0.35 in 3
June 82.8°F 50.9°F 66.8°F 0.04 in 1
July 84.9°F 53.8°F 69.4°F 0.01 in 0
August 85.2°F 53.7°F 69.4°F 0.01 in 0
September 85.1°F 51.5°F 68.3°F 0.06 in 1
October 79.9°F 46.4°F 63.2°F 0.54 in 2
November 69.6°F 40.7°F 55.2°F 0.98 in 5
December 62.0°F 37.1°F 49.6°F 2.05 in 9

Climate twins of Greenfield

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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