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Copper River Census Area Climate

Copper River Census Area, Alaska

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec27.8°AVG °F

Avg Annual Temp

27.8°F

Annual Precip

13.8"

Annual Snowfall

62.2"

Extreme Heat Days

0

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.8"
0.9"
0.4"
0.2"
0.7"
1.3"
2.0"
2.1"
1.8"
1.3"
1.3"
1.1"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

Growing Degree Days

482

Limited to cold-tolerant varieties

Last spring frost (32°F): -9999.0
First fall frost (32°F): -9999.0

Seasonal Overview

Comfort ZoneSpring14°44°1.3"Summer53°57°5.4"Fall7°43°4.3"Winter-3°6°2.8"20°40°60°80°100°

National Comparison

Warmer than 0% of US counties
Wetter than 6% of US counties
More seasonal variation than 98% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Copper River Census Area

Climate Verdict

Copper River Census Area has a cold, with an average annual temperature of 27.8°F, arid conditions receiving just 13.8 inches of precipitation annually, rare extreme heat with only 0.11428571428571428 days above 90°F annually, heavy winter snowfall averaging 62.2 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are severe, with January averaging a frigid -2.8°F. summers are cool, with July averaging only 56.6°F. Residents experience a substantial 59°F difference between winter and summer.

Outdoor & Gardening Guidance

Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.

Regional Context

Copper River Census Area is 7.9°F cooler than the Alaska statewide average of 35.7°F, it is also noticeably drier, receiving 39.7 inches less precipitation than the state average.

Climate Profile

About Copper River Census Area Weather

Extreme Continental Cold

Copper River averages just 27.8°F annually, making it one of the coldest inhabited places in the nation. It lacks the moderating influence of the ocean, leading to temperatures far below the national median.

Deeply Below State Average

The area's 27.8°F annual average is over 8 degrees colder than the Alaska state average of 35.9°F. This makes Copper River a focal point for some of the state's most intense winter weather.

Colder and Drier Than Anchorage

Copper River is much harsher than Anchorage, with a January average of -2.8°F compared to Anchorage's 16.7°F. It is also significantly drier, receiving only 13.8 inches of annual precipitation.

Sub-Zero Winters and Dry Summers

Winter is extreme, with a December-February average of 1.4°F and temperatures regularly dropping below zero in January. Summers are pleasant but short, averaging 56.6°F in July with no extreme heat days.

Severe Winter Proofing Required

Homes require specialized arctic-grade insulation to handle the -2.8°F January average. Because annual precipitation is so low at 13.8 inches, managing dry conditions and dust is often more of a concern than rain.

Frequently Asked Questions

What is the average temperature in Copper River Census Area?
The average annual temperature in Copper River Census Area, AK is 27.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Copper River Census Area get?
Copper River Census Area receives an average of 13.8 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 Copper River Census Area?
Yes, Copper River Census Area receives an average of 62.2 inches of snowfall per year according to NOAA climate normals.
How hot does Copper River Census Area get in summer?
The average summer temperature (June-August) in Copper River Census Area is 54.2°F. The county experiences an average of 0 days per year above 90°F.
How cold are winters in Copper River Census Area?
The average winter temperature (December-February) in Copper River Census Area is 1.4°F. January, typically the coldest month, averages -2.8°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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