Port Lions weather by month
What a typical year looks like in Port Lions, Alaska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Monashka Creek Dam, 24 km from Port Lions; records cover 1909–2026.
The year at a glance
- Precipitation a year
- 102.5 in2604 mm
- Snow a year
- Rare
- Last spring freeze
- May 21
- First fall freeze
- Sep 27
- Heating degree days
- 9,795
- 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 7°−14° (heating, 99%) and 71°22° (cooling, 1%).
Month by month
Port Lions in January
Highs average 30°−1° and lows 21°−6°, with 11.2 in284 mm of precipitation in a typical January.
- Record high
- 61°16° (2022)
- Record low
- −45°−43° (1910)
- Heating degree days
- 1237
- Cooling degree days
- 0
Port Lions in February
Highs average 33°0° and lows 23°−5°, with 8.3 in211 mm of precipitation in a typical February.
- Record high
- 65°18° (1912)
- Record low
- −50°−46° (1910)
- Heating degree days
- 1040
- Cooling degree days
- 0
Port Lions in March
Highs average 34°1° and lows 23°−5°, with 5.5 in139 mm of precipitation in a typical March.
- Record high
- 68°20° (1912)
- Record low
- −42°−41° (1911)
- Heating degree days
- 1130
- Cooling degree days
- 0
Port Lions in April
Highs average 40°5° and lows 30°−1°, with 7.8 in199 mm of precipitation in a typical April.
- Record high
- 70°21° (1912)
- Record low
- −22°−30° (1913)
- Heating degree days
- 892
- Cooling degree days
- 0
Port Lions in May
Highs average 49°9° and lows 36°2°, with 7.8 in198 mm of precipitation in a typical May.
- Record high
- 75°24° (1910)
- Record low
- 16°−9° (1910)
- Heating degree days
- 699
- Cooling degree days
- 0
Port Lions in June
Highs average 55°13° and lows 42°5°, with 7.2 in183 mm of precipitation in a typical June.
- Record high
- 91°33° (1911)
- Record low
- 28°−2° (2018)
- Heating degree days
- 502
- Cooling degree days
- 0
Port Lions in July
Highs average 60°15° and lows 47°8°, with 6.3 in160 mm of precipitation in a typical July.
- Record high
- 90°32° (1912)
- Record low
- 32°0° (1912)
- Heating degree days
- 364
- Cooling degree days
- 0
Port Lions in August
Highs average 59°15° and lows 46°8°, with 6.9 in176 mm of precipitation in a typical August.
- Record high
- 89°32° (1911)
- Record low
- 22°−6° (1910)
- Heating degree days
- 384
- Cooling degree days
- 1
Port Lions in September
Highs average 53°12° and lows 41°5°, with 9.7 in246 mm of precipitation in a typical September.
- Record high
- 88°31° (1911)
- Record low
- 3°−16° (1909)
- Heating degree days
- 546
- Cooling degree days
- 0
Port Lions in OctoberThis month
Highs average 42°6° and lows 33°0°, with 11.5 in292 mm of precipitation in a typical October.
- Record high
- 75°24° (1911)
- Record low
- −12°−24° (1909)
- Heating degree days
- 852
- Cooling degree days
- 0
Port Lions in November
Highs average 36°2° and lows 28°−2°, with 9.7 in246 mm of precipitation in a typical November.
- Record high
- 66°19° (1911)
- Record low
- −40° (1909)
- Heating degree days
- 987
- Cooling degree days
- 0
Port Lions in December
Highs average 32°0° and lows 23°−5°, with 10.7 in272 mm of precipitation in a typical December.
- Record high
- 61°16° (2021)
- Record low
- −46°−43° (1910)
- Heating degree days
- 1162
- Cooling degree days
- 0