Watsonville, CA

Climate overview — based on NOAA 1991-2020 normals from WATSONVILLE WTR WKS, CA US.

Csb Warm-summer Mediterranean climate 9a USDA hardiness Zone 9a

Year-round temperatures (°F)

30° 40° 50° 60° 70° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Watsonville has an annual average temperature of 57.6°F with about 22.7 inches of precipitation per year. The warmest month is September (average high 74.2°F), and the coldest is December (average low 39.3°F). December is typically the wettest month (4.51 in) and July the driest (0.01 in).

Pleasant months
4 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
12.9°F
warmest to coldest month
Heating need
2,661
Cooling need
0

Best time to visit Watsonville

Full guide →

Climate change signal

All-time records →

55 of 366 (15%) of Watsonville'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
0
1910s
65
1920s
14
1930s
24
1940s
20
1950s
26
1960s
23
1970s
25
1980s
37
1990s
23
2000s
30
2010s
59
2020s
20

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 62.0°F 39.9°F 51.0°F 4.43 in 11
February 63.4°F 41.5°F 52.4°F 4.49 in 11
March 65.1°F 43.4°F 54.3°F 3.59 in 10
April 67.5°F 45.3°F 56.4°F 1.62 in 6
May 69.0°F 48.9°F 59.0°F 0.58 in 3
June 71.2°F 51.6°F 61.4°F 0.14 in 1
July 71.1°F 54.1°F 62.6°F 0.01 in 1
August 72.4°F 54.5°F 63.4°F 0.03 in 1
September 74.2°F 52.8°F 63.5°F 0.06 in 1
October 73.7°F 48.7°F 61.2°F 0.96 in 3
November 67.8°F 43.2°F 55.5°F 2.25 in 7
December 61.8°F 39.3°F 50.6°F 4.51 in 10

Climate twins of Watsonville

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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