Sutton-Alpine weather by month
What a typical year looks like in Sutton-Alpine, Alaska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Lazy Mountain, 15 km from Sutton-Alpine; records cover 1984–2026.
The year at a glance
- Precipitation a year
- 18 in457 mm
- Snow a year
- 82 in210 cm
- Last spring freeze
- May 20
- First fall freeze
- Sep 16
- Heating degree days
- 10,771
- 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 −14°−26° (heating, 99%) and 76°24° (cooling, 1%).
Month by month
Sutton-Alpine in January
Highs average 23°−5° and lows 9°−13°, with 1 in26 mm of precipitation and 15 in37 cm of snow in a typical January.
- Record high
- 51°11° (1994)
- Record low
- −38°−39° (1989)
- Heating degree days
- 1525
- Cooling degree days
- 0
Sutton-Alpine in February
Highs average 29°−2° and lows 12°−11°, with 1 in25 mm of precipitation and 14 in35 cm of snow in a typical February.
- Record high
- 56°13° (2014)
- Record low
- −34°−37° (1999)
- Heating degree days
- 1254
- Cooling degree days
- 0
Sutton-Alpine in March
Highs average 34°1° and lows 14°−10°, with 0.87 in22 mm of precipitation and 11 in29 cm of snow in a typical March.
- Record high
- 55°13° (2016)
- Record low
- −24°−31° (1992)
- Heating degree days
- 1282
- Cooling degree days
- 0
Sutton-Alpine in April
Highs average 46°8° and lows 25°−4°, with 0.52 in13 mm of precipitation and 5 in12 cm of snow in a typical April.
- Record high
- 72°22° (2005)
- Record low
- −11°−24° (1985)
- Heating degree days
- 882
- Cooling degree days
- 0
Sutton-Alpine in May
Highs average 58°14° and lows 35°2°, with 0.84 in21 mm of precipitation and 0.9 in2.3 cm of snow in a typical May.
- Record high
- 79°26° (2013)
- Record low
- 20°−7° (2001)
- Heating degree days
- 580
- Cooling degree days
- 0
Sutton-Alpine in June
Highs average 64°18° and lows 43°6°, with 1.4 in35 mm of precipitation in a typical June.
- Record high
- 85°29° (2015)
- Record low
- 29°−2° (1985)
- Heating degree days
- 347
- Cooling degree days
- 0
Sutton-Alpine in July
Highs average 66°19° and lows 48°9°, with 2 in50 mm of precipitation in a typical July.
- Record high
- 84°29° (2019)
- Record low
- 35°2° (2012)
- Heating degree days
- 257
- Cooling degree days
- 1
Sutton-Alpine in August
Highs average 63°17° and lows 45°7°, with 3 in76 mm of precipitation in a typical August.
- Record high
- 84°29° (2004)
- Record low
- 28°−2° (2015)
- Heating degree days
- 337
- Cooling degree days
- 0
Sutton-Alpine in September
Highs average 55°13° and lows 37°3°, with 2.9 in74 mm of precipitation and 0.5 in1.3 cm of snow in a typical September.
- Record high
- 71°22° (1996)
- Record low
- 12°−11° (1992)
- Heating degree days
- 574
- Cooling degree days
- 0
Sutton-Alpine in OctoberThis month
Highs average 42°5° and lows 26°−3°, with 1.8 in45 mm of precipitation and 6 in15 cm of snow in a typical October.
- Record high
- 66°19° (2003)
- Record low
- −3°−19° (1996)
- Heating degree days
- 962
- Cooling degree days
- 0
Sutton-Alpine in November
Highs average 28°−2° and lows 15°−10°, with 1.2 in31 mm of precipitation and 12 in30 cm of snow in a typical November.
- Record high
- 53°12° (2002)
- Record low
- −18°−28° (1989)
- Heating degree days
- 1305
- Cooling degree days
- 0
Sutton-Alpine in December
Highs average 24°−4° and lows 11°−12°, with 1.5 in38 mm of precipitation and 19 in48 cm of snow in a typical December.
- Record high
- 53°12° (1999)
- Record low
- −26°−32° (1990)
- Heating degree days
- 1466
- Cooling degree days
- 0