Amador County Climate

Amador County, California

JanFebMarAprMayJunJulAugSepOctNovDec61.0°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
6.4"
6.0"
5.6"
3.0"
1.9"
0.4"
0.0"
0.1"
0.3"
1.9"
3.4"
5.9"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring52°63°10.5"Summer71°78°0.5"Fall54°73°5.5"Winter47°50°18.3"20°40°60°80°100°

National Comparison

Warmer than 71% of US counties
Wetter than 33% of US counties
More seasonal variation than 7% of US counties

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

What is the average temperature in Amador County?
The average annual temperature in Amador County, CA is 61.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Amador County get?
Amador County receives an average of 34.8 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Amador County?
Yes, Amador County receives an average of 0.3 inches of snowfall per year according to NOAA climate normals.
How hot does Amador County get in summer?
The average summer temperature (June-August) in Amador County is 75.4°F. The county experiences an average of 74.7 days per year above 90°F.
How cold are winters in Amador County?
The average winter temperature (December-February) in Amador County is 47.9°F. January, typically the coldest month, averages 47.0°F.

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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.

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