Lake Minchumina weather by month
What a typical year looks like in Lake Minchumina, Alaska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Minchumina, 15 km from Lake Minchumina; records cover 1945–2026.
The year at a glance
- Precipitation a year
- 14.5 in368 mm
- Snow a year
- 54 in137 cm
- Last spring freeze
- May 15
- First fall freeze
- Sep 22
- Heating degree days
- 13,480
- Cooling degree days
- 32
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −36°−38° (heating, 99%) and 81°27° (cooling, 1%).
Month by month
Lake Minchumina in January
Highs average 3°−16° and lows −10°−23°, with 0.66 in17 mm of precipitation and 8 in21 cm of snow in a typical January.
- Record high
- 47°8° (1945)
- Record low
- −66°−54° (1989)
- Heating degree days
- 2126
- Cooling degree days
- 0
Lake Minchumina in February
Highs average 10°−12° and lows −5°−20°, with 0.51 in13 mm of precipitation and 7 in17 cm of snow in a typical February.
- Record high
- 40°4° (1978)
- Record low
- −62°−52° (1947)
- Heating degree days
- 1749
- Cooling degree days
- 0
Lake Minchumina in March
Highs average 21°−6° and lows 1°−17°, with 0.35 in8.9 mm of precipitation and 3 in9 cm of snow in a typical March.
- Record high
- 51°11° (1954)
- Record low
- −44°−42° (1956)
- Heating degree days
- 1675
- Cooling degree days
- 0
Lake Minchumina in April
Highs average 41°5° and lows 20°−7°, with 0.31 in7.9 mm of precipitation and 4 in9 cm of snow in a typical April.
- Record high
- 67°19° (1953)
- Record low
- −38°−39° (1985)
- Heating degree days
- 1038
- Cooling degree days
- 0
Lake Minchumina in May
Highs average 57°14° and lows 37°3°, with 0.64 in16 mm of precipitation and 0.7 in1.8 cm of snow in a typical May.
- Record high
- 84°29° (1947)
- Record low
- −8°−22° (1945)
- Heating degree days
- 552
- Cooling degree days
- 0
Lake Minchumina in June
Highs average 68°20° and lows 48°9°, with 2.2 in56 mm of precipitation in a typical June.
- Record high
- 90°32° (1991)
- Record low
- 30°−1° (2023)
- Heating degree days
- 226
- Cooling degree days
- 13
Lake Minchumina in July
Highs average 69°21° and lows 51°10°, with 2.6 in67 mm of precipitation in a typical July.
- Record high
- 92°33° (1977)
- Record low
- 34°1° (1981)
- Heating degree days
- 176
- Cooling degree days
- 18
Lake Minchumina in August
Highs average 63°17° and lows 46°8°, with 3.2 in80 mm of precipitation in a typical August.
- Record high
- 85°29° (1977)
- Record low
- 25°−4° (1984)
- Heating degree days
- 328
- Cooling degree days
- 1
Lake Minchumina in September
Highs average 51°11° and lows 37°3°, with 1.6 in41 mm of precipitation and 1.5 in3.8 cm of snow in a typical September.
- Record high
- 74°23° (1957)
- Record low
- 9°−13° (1983)
- Heating degree days
- 630
- Cooling degree days
- 0
Lake Minchumina in OctoberThis month
Highs average 32°0° and lows 21°−6°, with 0.95 in24 mm of precipitation and 7 in18 cm of snow in a typical October.
- Record high
- 61°16° (2020)
- Record low
- −21°−29° (1961)
- Heating degree days
- 1187
- Cooling degree days
- 0
Lake Minchumina in November
Highs average 13°−10° and lows 1°−17°, with 0.83 in21 mm of precipitation and 13 in34 cm of snow in a typical November.
- Record high
- 44°7° (1952)
- Record low
- −48°−44° (1989)
- Heating degree days
- 1735
- Cooling degree days
- 0
Lake Minchumina in December
Highs average 5°−15° and lows −7°−22°, with 0.61 in15 mm of precipitation and 10 in24 cm of snow in a typical December.
- Record high
- 42°6° (2021)
- Record low
- −62°−52° (1961)
- Heating degree days
- 2058
- Cooling degree days
- 0