Healy Lake weather by month
What a typical year looks like in Healy Lake, Alaska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Delta Junction 20 SE, 21 km from Healy Lake; records cover 1980–2026.
The year at a glance
- Precipitation a year
- 11.8 in299 mm
- Snow a year
- 42 in107 cm
- Last spring freeze
- Jun 6
- First fall freeze
- Aug 17
- Heating degree days
- 13,720
- Cooling degree days
- 13
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −48°−44° (heating, 99%) and 82°28° (cooling, 1%).
Month by month
Healy Lake in January
Highs average 5°−15° and lows −13°−25°, with 0.39 in9.9 mm of precipitation and 6 in16 cm of snow in a typical January.
- Record high
- 50°10° (2014)
- Record low
- −60°−51° (1996)
- Heating degree days
- 2134
- Cooling degree days
- 0
Healy Lake in February
Highs average 15°−10° and lows −7°−22°, with 0.29 in7.4 mm of precipitation and 5 in13 cm of snow in a typical February.
- Record high
- 49°9° (2024)
- Record low
- −63°−53° (1999)
- Heating degree days
- 1722
- Cooling degree days
- 0
Healy Lake in March
Highs average 26°−4° and lows −4°−20°, with 0.3 in7.6 mm of precipitation and 4 in11 cm of snow in a typical March.
- Record high
- 57°14° (2016)
- Record low
- −55°−48° (2026)
- Heating degree days
- 1688
- Cooling degree days
- 0
Healy Lake in April
Highs average 46°8° and lows 17°−8°, with 0.28 in7.1 mm of precipitation and 2.4 in6.1 cm of snow in a typical April.
- Record high
- 74°23° (2009)
- Record low
- −31°−35° (2021)
- Heating degree days
- 1005
- Cooling degree days
- 0
Healy Lake in May
Highs average 61°16° and lows 32°0°, with 0.87 in22 mm of precipitation and 0.5 in1.3 cm of snow in a typical May.
- Record high
- 86°30° (2015)
- Record low
- 14°−10° (2012)
- Heating degree days
- 588
- Cooling degree days
- 0
Healy Lake in June
Highs average 70°21° and lows 43°6°, with 2.2 in56 mm of precipitation in a typical June.
- Record high
- 91°33° (2013)
- Record low
- 19°−7° (2006)
- Heating degree days
- 264
- Cooling degree days
- 7
Healy Lake in July
Highs average 71°22° and lows 46°8°, with 2.2 in55 mm of precipitation in a typical July.
- Record high
- 89°32° (2018)
- Record low
- 31°−1° (2022)
- Heating degree days
- 200
- Cooling degree days
- 6
Healy Lake in August
Highs average 66°19° and lows 40°5°, with 2.3 in57 mm of precipitation in a typical August.
- Record high
- 88°31° (2024)
- Record low
- 24°−4° (2005)
- Heating degree days
- 368
- Cooling degree days
- 0
Healy Lake in September
Highs average 55°13° and lows 30°−1°, with 1.2 in30 mm of precipitation and 1 in2.5 cm of snow in a typical September.
- Record high
- 74°23° (2013)
- Record low
- −2°−19° (2021)
- Heating degree days
- 690
- Cooling degree days
- 0
Healy Lake in OctoberThis month
Highs average 34°1° and lows 15°−9°, with 0.75 in19 mm of precipitation and 8 in20 cm of snow in a typical October.
- Record high
- 76°24° (2003)
- Record low
- −36°−38° (1996)
- Heating degree days
- 1256
- Cooling degree days
- 0
Healy Lake in November
Highs average 14°−10° and lows −2°−19°, with 0.59 in15 mm of precipitation and 8 in20 cm of snow in a typical November.
- Record high
- 47°8° (2002)
- Record low
- −45°−43° (2013)
- Heating degree days
- 1768
- Cooling degree days
- 0
Healy Lake in December
Highs average 8°−13° and lows −9°−23°, with 0.5 in13 mm of precipitation and 7 in17 cm of snow in a typical December.
- Record high
- 56°13° (1999)
- Record low
- −55°−48° (2025)
- Heating degree days
- 2037
- Cooling degree days
- 0