Santa Cruz County Climate
Santa Cruz County, California
Avg Annual Temp
58.5°F
Annual Precip
31.3"
Annual Snowfall
0.0"
Extreme Heat Days
18.375
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Santa Cruz County Weather
Moderate Coastal Warmth Year-Round
Santa Cruz maintains an average temperature of 58.5°F, staying above the national median. The proximity to the Pacific Ocean prevents the extreme temperature swings found inland.
Reflecting the Heart of California Weather
The county's 58.5°F average almost perfectly mirrors the California state average of 58.7°F. It occupies a middle-of-the-road position in the state's temperature rankings.
One of the Wettest Local Counties
Santa Cruz receives 31.3 inches of rain, far exceeding the California average of 25.8 inches. It is significantly wetter than its neighbor Santa Clara, which receives 10 inches less rain annually.
Cool Coastal Summers and Stable Winters
Summer averages stay cool at 64.5°F, and the county sees zero annual snowfall. Residents enjoy 18 days of extreme heat, while winter temperatures stay stable at 51.4°F.
Focus on Moisture and Rain Preparation
Given the high 31.3-inch rainfall, maintaining gutters and ensuring proper home drainage is essential. Lightweight jackets are the most practical year-round clothing choice for this steady climate.
Frequently Asked Questions
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Track your own weather in Santa Cruz County
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.