Chenega weather by month
What a typical year looks like in Chenega, Alaska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Port San Juan, 6 km from Chenega; records cover 1980–2026.
The year at a glance
- Precipitation a year
- 137.9 in3502 mm
- Snow a year
- Rare
- Last spring freeze
- May 7
- First fall freeze
- Oct 7
- Heating degree days
- 8,761
- Cooling degree days
- 1
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 11°−12° (heating, 99%) and 73°23° (cooling, 1%).
Month by month
Chenega in January
Highs average 34°1° and lows 26°−3°, with 12.3 in313 mm of precipitation in a typical January.
- Record high
- 54°12° (2014)
- Record low
- −5°−21° (1989)
- Heating degree days
- 1086
- Cooling degree days
- 0
Chenega in February
Highs average 35°2° and lows 26°−3°, with 11.6 in295 mm of precipitation in a typical February.
- Record high
- 50°10° (1995)
- Record low
- −1°−18° (1999)
- Heating degree days
- 966
- Cooling degree days
- 0
Chenega in March
Highs average 36°2° and lows 26°−3°, with 9.6 in244 mm of precipitation in a typical March.
- Record high
- 51°11° (2019)
- Record low
- 6°−14° (1992)
- Heating degree days
- 1048
- Cooling degree days
- 0
Chenega in April
Highs average 43°6° and lows 32°0°, with 10.3 in262 mm of precipitation in a typical April.
- Record high
- 62°17° (2003)
- Record low
- 5°−15° (2013)
- Heating degree days
- 837
- Cooling degree days
- 0
Chenega in May
Highs average 52°11° and lows 37°3°, with 8.1 in205 mm of precipitation in a typical May.
- Record high
- 73°23° (2006)
- Record low
- 23°−5° (1998)
- Heating degree days
- 636
- Cooling degree days
- 0
Chenega in June
Highs average 59°15° and lows 44°7°, with 4.5 in115 mm of precipitation in a typical June.
- Record high
- 82°28° (1995)
- Record low
- 27°−3° (2000)
- Heating degree days
- 398
- Cooling degree days
- 0
Chenega in July
Highs average 63°17° and lows 50°10°, with 5.3 in133 mm of precipitation in a typical July.
- Record high
- 86°30° (2016)
- Record low
- 30°−1° (2010)
- Heating degree days
- 277
- Cooling degree days
- 1
Chenega in August
Highs average 61°16° and lows 49°10°, with 9.8 in249 mm of precipitation in a typical August.
- Record high
- 83°28° (2019)
- Record low
- 30°−1° (1980)
- Heating degree days
- 304
- Cooling degree days
- 0
Chenega in September
Highs average 54°12° and lows 44°6°, with 17.4 in441 mm of precipitation in a typical September.
- Record high
- 71°22° (2026)
- Record low
- 10°−12° (1985)
- Heating degree days
- 488
- Cooling degree days
- 0
Chenega in OctoberThis month
Highs average 45°7° and lows 36°2°, with 17.3 in439 mm of precipitation in a typical October.
- Record high
- 58°14° (1980)
- Record low
- 9°−13° (1985)
- Heating degree days
- 752
- Cooling degree days
- 0
Chenega in November
Highs average 38°3° and lows 30°−1°, with 15.9 in405 mm of precipitation in a typical November.
- Record high
- 52°11° (1986)
- Record low
- 2°−17° (1985)
- Heating degree days
- 932
- Cooling degree days
- 0
Chenega in December
Highs average 36°2° and lows 28°−2°, with 15.8 in401 mm of precipitation in a typical December.
- Record high
- 52°11° (1983)
- Record low
- 6°−14° (1987)
- Heating degree days
- 1037
- Cooling degree days
- 0