Cold Bay weather by month
What a typical year looks like in Cold Bay, Alaska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Cold Bay Airport, 3 km from Cold Bay; records cover 1942–2026.
The year at a glance
- Precipitation a year
- 42.7 in1084 mm
- Snow a year
- 67 in171 cm
- Last spring freeze
- May 28
- First fall freeze
- Oct 2
- Heating degree days
- 9,363
- Cooling degree days
- 0
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 5°−15° (heating, 99%) and 64°18° (cooling, 1%).
Month by month
Cold Bay in January
Highs average 33°1° and lows 24°−5°, with 3.4 in86 mm of precipitation and 13 in32 cm of snow in a typical January.
- Record high
- 59°15° (1947)
- Record low
- −13°−25° (2000)
- Heating degree days
- 1133
- Cooling degree days
- 0
Cold Bay in February
Highs average 35°2° and lows 26°−4°, with 3.2 in81 mm of precipitation and 10 in25 cm of snow in a typical February.
- Record high
- 54°12° (2020)
- Record low
- −9°−23° (1947)
- Heating degree days
- 973
- Cooling degree days
- 0
Cold Bay in March
Highs average 35°2° and lows 24°−4°, with 3 in76 mm of precipitation and 13 in33 cm of snow in a typical March.
- Record high
- 56°13° (1974)
- Record low
- −13°−25° (1971)
- Heating degree days
- 1088
- Cooling degree days
- 0
Cold Bay in April
Highs average 40°5° and lows 30°−1°, with 2.7 in69 mm of precipitation and 6 in16 cm of snow in a typical April.
- Record high
- 60°16° (1948)
- Record low
- 4°−16° (1943)
- Heating degree days
- 900
- Cooling degree days
- 0
Cold Bay in May
Highs average 47°8° and lows 36°2°, with 2.6 in67 mm of precipitation and 1.2 in3 cm of snow in a typical May.
- Record high
- 68°20° (2006)
- Record low
- 18°−8° (1973)
- Heating degree days
- 744
- Cooling degree days
- 0
Cold Bay in June
Highs average 52°11° and lows 42°6°, with 2.7 in70 mm of precipitation in a typical June.
- Record high
- 72°22° (1995)
- Record low
- 27°−3° (2006)
- Heating degree days
- 538
- Cooling degree days
- 0
Cold Bay in July
Highs average 56°13° and lows 47°8°, with 2.5 in64 mm of precipitation in a typical July.
- Record high
- 77°25° (1960)
- Record low
- 32°0° (2026)
- Heating degree days
- 417
- Cooling degree days
- 0
Cold Bay in August
Highs average 57°14° and lows 48°9°, with 3.7 in94 mm of precipitation in a typical August.
- Record high
- 78°26° (1948)
- Record low
- 32°0° (1999)
- Heating degree days
- 383
- Cooling degree days
- 0
Cold Bay in September
Highs average 53°12° and lows 43°6°, with 4.5 in114 mm of precipitation in a typical September.
- Record high
- 70°21° (1960)
- Record low
- 26°−3° (1992)
- Heating degree days
- 498
- Cooling degree days
- 0
Cold Bay in OctoberThis month
Highs average 47°8° and lows 36°2°, with 4.9 in125 mm of precipitation and 2 in5.1 cm of snow in a typical October.
- Record high
- 69°21° (1954)
- Record low
- 6°−14° (1999)
- Heating degree days
- 735
- Cooling degree days
- 0
Cold Bay in November
Highs average 40°4° and lows 31°−1°, with 5 in127 mm of precipitation and 8 in21 cm of snow in a typical November.
- Record high
- 59°15° (1986)
- Record low
- 1°−17° (1963)
- Heating degree days
- 892
- Cooling degree days
- 0
Cold Bay in December
Highs average 36°2° and lows 26°−3°, with 4.4 in112 mm of precipitation and 14 in36 cm of snow in a typical December.
- Record high
- 62°17° (2021)
- Record low
- −9°−23° (1950)
- Heating degree days
- 1062
- Cooling degree days
- 0