Copper River Census Area Climate

Copper River Census Area, Alaska

JanFebMarAprMayJunJulAugSepOctNovDec27.8°AVG °F

Avg Annual Temp

27.8°F

Annual Precip

13.8"

Annual Snowfall

62.2"

Extreme Heat Days

0.11428571428571428

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

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 5% of US counties
More seasonal variation than 93% of US counties

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 0.11428571428571428 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 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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