Campbell, CA

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

Csb Warm-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

Campbell has an annual average temperature of 59.6°F with about 22.2 inches of precipitation per year. The warmest month is July (average high 84.9°F), and the coldest is January (average low 39.5°F). January is typically the wettest month (5.03 in) and July the driest (0.00 in).

Annual swing
21.8°F
warmest to coldest month
Heating need
2,406
Cooling need
477

Best time to visit Campbell

Full guide →

Climate change signal

All-time records →

5 of 366 (1.4%) of Campbell'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.

1890s
6
1900s
13
1910s
23
1920s
22
1930s
38
1940s
15
1950s
71
1960s
61
1970s
46
1980s
25
1990s
14
2000s
22
2010s
10

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 58.5°F 39.5°F 49.0°F 5.03 in 10
February 61.9°F 41.3°F 51.6°F 4.90 in 9
March 66.3°F 43.1°F 54.7°F 3.43 in 9
April 70.3°F 45.1°F 57.7°F 1.37 in 6
May 75.5°F 49.4°F 62.4°F 0.53 in 2
June 81.7°F 52.5°F 67.1°F 0.15 in 1
July 84.9°F 55.9°F 70.4°F 0.00 in 0
August 84.5°F 55.8°F 70.2°F 0.03 in 0
September 82.7°F 53.8°F 68.2°F 0.05 in 0
October 75.5°F 48.9°F 62.2°F 0.76 in 3
November 64.6°F 42.7°F 53.6°F 1.97 in 6
December 57.7°F 39.5°F 48.6°F 3.97 in 10

Climate twins of Campbell

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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