Santa Barbara County Climate
Santa Barbara County, California
Avg Annual Temp
59.7°F
Annual Precip
18.8"
Annual Snowfall
0.0"
Extreme Heat Days
37.42222222222222
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Santa Barbara County Weather
Consistently Warm Coastal Conditions
Santa Barbara averages 59.7°F annually, placing it well above the national median temperature. This consistency defines its reputation as a year-round outdoor destination.
Warmer Than the Golden State Average
At 59.7°F, the county is exactly one degree warmer than the California state average of 58.7°F. It sits comfortably in the warmer half of the state's diverse climate zones.
Lower Rainfall Than Northern Coastal Peers
The county receives 18.8 inches of rain annually, which is significantly lower than the state average of 25.8 inches. It is notably drier than Santa Cruz County, which sees over 31 inches.
Mild Summers With Occasional Heat Spikes
Summer temperatures average 66.8°F, though the county faces 37 extreme heat days over 90°F annually. Winters are very mild at 52.2°F with absolutely zero recorded snowfall.
Prepare for Sun and Water Conservation
Air conditioning is useful for the 37 high-heat days, though coastal breezes often provide natural cooling. Residents should prioritize drought-tolerant landscaping given the low 18.8-inch rainfall average.
Frequently Asked Questions
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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.