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Alpine County Climate

Alpine County, California

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec34.9°AVG °F

Avg Annual Temp

34.9°F

Annual Precip

22.1"

Annual Snowfall

77.1"

Extreme Heat Days

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.1"
3.2"
2.9"
1.5"
1.2"
0.5"
0.5"
0.6"
0.5"
1.6"
2.1"
3.5"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6b

Minimum winter temperature range for plant survival

Seasonal Overview

Comfort ZoneSpring24°36°5.6"Summer46°55°1.7"Fall27°48°4.1"Winter19°21°10.8"20°40°60°80°100°

National Comparison

Warmer than 0% of US counties
Wetter than 17% of US counties
More seasonal variation than 14% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Alpine County

Climate Verdict

Climate data for Alpine County is currently being compiled from NOAA sources. Check back soon for detailed weather normals.

Seasonal Breakdown

Seasonal weather data for this county is based on regional climate patterns. Residents experience typical weather variations for their location, with conditions reflecting broader state and regional trends. Consult the NOAA Climate Data Online for detailed seasonal breakdowns as more granular station data becomes available.

Outdoor & Gardening Guidance

Growing season and gardening guidance for Alpine County will be added as data becomes available.

Regional Context

Comparative climate data for Alpine County is being processed.

Climate Profile

About Alpine County Weather

A High-Elevation Winter Wonderland

While annual temperature data is limited, Alpine County is defined by its massive 77.1 inches of annual snowfall. This level of precipitation far exceeds national snowfall medians.

One of California's Snowiest Regions

Alpine stands out in California with 77.1 inches of snow compared to the state's largely snow-free coastal areas. Its 22.1 inches of total precipitation is slightly below the state average of 25.8 inches.

Dramatically Snowier Than Foothill Neighbors

Alpine receives 77.1 inches of snow, dwarfing the 0.3 inches found in neighboring Amador County. It serves as a primary alpine climate zone compared to the warmer valley floors nearby.

Deep Snow and Undocumented Summer Peaks

The county records a heavy 77.1 inches of annual snowfall during its cold months. Specific average temperature data for summer and winter months is currently unavailable for this high-altitude region.

Winter Preparedness is Mandatory

Heavy-duty snow removal equipment and winter-rated vehicle tires are essential for the 77.1 inches of annual snow. Residents must plan for significant winter precipitation and potentially isolated conditions.

Frequently Asked Questions

What is the average temperature in Alpine County?
The average annual temperature in Alpine County, CA is 34.9°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Alpine County get?
Alpine County receives an average of 22.1 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 Alpine County?
Yes, Alpine County receives an average of 77.1 inches of snowfall per year according to NOAA climate normals.
How hot does Alpine County get in summer?
The average summer temperature (June-August) in Alpine County is 52.0°F.
How cold are winters in Alpine County?
The average winter temperature (December-February) in Alpine County is 20.2°F. January, typically the coldest month, averages 20.6°F.

Track your own weather in Alpine County

Ambient Weather personal weather stations give you hyperlocal climate data.

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Data sources: ERA5 Reanalysis (modeled) via Open-Meteo (gap-filled where station data unavailable).. 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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