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Calaveras County Climate

Calaveras County, California

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec56.4°AVG °F

Avg Annual Temp

56.4°F

Annual Precip

39.6"

Annual Snowfall

36.2"

Extreme Heat Days

44

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
7.3"
6.9"
6.2"
3.4"
2.1"
0.6"
0.0"
0.0"
0.3"
2.1"
3.8"
7.1"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

9a

Minimum winter temperature range for plant survival

Growing Degree Days

3,547

Supports most vegetables & fruits

Last spring frost (32°F): 05/07
First fall frost (32°F): 12/17

Seasonal Overview

Comfort ZoneSpring47°59°11.6"Summer67°73°0.7"Fall49°68°6.1"Winter42°44°21.3"20°40°60°80°100°

National Comparison

Warmer than 58% of US counties
Wetter than 45% of US counties
More seasonal variation than 7% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Calaveras County

Climate Verdict

Calaveras County has a mild, with an average annual temperature of 56.4°F, moderate rainfall of 39.6 inches per year, occasional hot days — 44.449999999999996 per year above 90°F, moderate snowfall of 36.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 42.7°F. summers are warm — July averages 73.4°F. The 31°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.

Outdoor & Gardening Guidance

The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.

Regional Context

Calaveras County closely matches the California statewide average temperature of 58.7°F, it is also noticeably wetter, receiving 13.9 inches more precipitation than the state average.

Climate Profile

About Calaveras County Weather

A Temperate Climate Above National Medians

Calaveras County averages 56.4°F annually, making it slightly warmer than the national median temperature. It also receives 39.6 inches of rain, which is high by national standards.

Cooler and Snowier Than Most California

The county is cooler than the California state average of 58.7°F but significantly snowier. Its 36.2 inches of annual snowfall is a rarity in a state that averages much less.

The Cooler, Snowier Foothill Neighbor

Calaveras is cooler than neighboring Amador County by nearly 5 degrees. It also receives 36.2 inches of snow, whereas Amador receives only 0.3 inches.

Warm Summers Balanced by Snowy Winters

July averages a pleasant 73.4°F, though the county still records 44 extreme heat days. Winter is defined by 36.2 inches of snow and an average temperature of 43.1°F.

Winter Tires and Moderate Cooling Needed

Prepare for the 36.2-inch snow season with proper vehicle tires and heating. Homeowners should also plan for 44 days of heat over 90°F with efficient attic insulation.

Frequently Asked Questions

What is the average temperature in Calaveras County?
The average annual temperature in Calaveras County, CA is 56.4°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Calaveras County get?
Calaveras County receives an average of 39.6 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 Calaveras County?
Yes, Calaveras County receives an average of 36.2 inches of snowfall per year according to NOAA climate normals.
How hot does Calaveras County get in summer?
The average summer temperature (June-August) in Calaveras County is 71.1°F. The county experiences an average of 44 days per year above 90°F.
How cold are winters in Calaveras County?
The average winter temperature (December-February) in Calaveras County is 43.1°F. January, typically the coldest month, averages 42.7°F.

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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.

Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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