Cold Bay, AK

Climate overview — based on NOAA 1991-2020 normals from COLD BAY AP, AK US.

Dfc Subarctic climate 7b USDA hardiness Zone 7b

Year-round temperatures (°F)

20° 30° 40° 50° 60° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Cold Bay has an annual average temperature of 39.3°F with about 42.7 inches of precipitation per year and 67.3 inches of snow. The warmest month is August (average high 57.2°F), and the coldest is January (average low 23.7°F). November is typically the wettest month (4.99 in) and July the driest (2.51 in). Snow typically falls from October through May.

Annual swing
24.2°F
warmest to coldest month
Heating need
9,255
Cooling need
0

Best time to visit Cold Bay

Full guide →

Climate change signal

All-time records →

94 of 366 (25.7%) of Cold Bay's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1950s
44
1960s
48
1970s
41
1980s
32
1990s
37
2000s
40
2010s
69
2020s
55

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 33.2°F 23.7°F 28.4°F 3.38 in 12.6 in 21
February 35.0°F 25.5°F 30.2°F 3.17 in 10.0 in 20
March 35.4°F 24.4°F 29.9°F 2.98 in 12.8 in 19
April 40.2°F 29.8°F 35.0°F 2.70 in 6.4 in 19
May 46.5°F 35.5°F 41.0°F 2.64 in 1.2 in 18
June 52.1°F 42.0°F 47.1°F 2.74 in 17
July 56.2°F 46.9°F 51.5°F 2.51 in 20
August 57.2°F 48.1°F 52.6°F 3.71 in 21
September 53.4°F 43.4°F 48.4°F 4.50 in 23
October 46.5°F 36.1°F 41.3°F 4.93 in 2.0 in 25
November 39.9°F 30.6°F 35.3°F 4.99 in 8.2 in 24
December 35.6°F 25.9°F 30.8°F 4.42 in 14.1 in 23

Climate twins of Cold Bay

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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