Amador County Climate
Amador County, California
Avg Annual Temp
61.0°F
Annual Precip
34.8"
Annual Snowfall
0.3"
Extreme Heat Days
74.7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Amador County Weather
A Warm Foothill Climate Above National Averages
Amador County's 61.0°F annual average is significantly higher than the U.S. median temperature. It features a warm, interior climate with dry summers and wet winters.
Warmer and Wetter Than State Benchmarks
The county is warmer than the California average of 58.7°F and wetter than the state average of 25.8 inches. It receives 34.8 inches of rain annually, mostly during the cooler months.
Warmer Than Surrounding Highland Counties
At 61.0°F, Amador is warmer than neighboring Calaveras County, which averages 56.4°F. It also records far less snow than its neighbors to the east, averaging only 0.3 inches.
Intense Summer Heat and Mild Winters
The county faces 75 extreme heat days per year with a July average of 78.0°F. Winters are mild and wet, averaging 47.9°F with almost no snowfall.
Prioritize Cooling and Rain Infrastructure
High-capacity HVAC systems are necessary to manage 75 days over 90°F. Homeowners should also ensure proper drainage to handle the substantial 34.8 inches of annual rainfall.
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.