Anchorage Weather by Month
Twelve months of Anchorage, United States weather — averages from 2006–2025.
Anchorage's warmest month is July (average high 18.2°C (64.8°F)) and the coolest is January (-6.4°C (20.5°F)). The most rain falls in September (about 142 mm), and April is the driest (about 39 mm). June is the sunniest, with about 12.5 hours of sunshine a day.
Best months to visit Anchorage
Ranked within Anchorage's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Anchorage month by month
January
PoorHigh -6.4°C (20.5°F)
Low -11°C (12.2°F)
- Rainfall
- 64 mm (2.5 in)
- Rainy days
- 12 rainy days
- Sunshine
- 2.9 h sunshine / day
February
PoorHigh -4.1°C (24.6°F)
Low -9.3°C (15.3°F)
- Rainfall
- 62 mm (2.4 in)
- Rainy days
- 11 rainy days
- Sunshine
- 4.9 h sunshine / day
March
PoorHigh -0.7°C (30.7°F)
Low -7.6°C (18.3°F)
- Rainfall
- 46 mm (1.8 in)
- Rainy days
- 9 rainy days
- Sunshine
- 7.9 h sunshine / day
April
FairHigh 5.6°C (42.1°F)
Low -2.3°C (27.9°F)
- Rainfall
- 39 mm (1.5 in)
- Rainy days
- 9 rainy days
- Sunshine
- 10.1 h sunshine / day
May
GoodHigh 12°C (53.6°F)
Low 3.7°C (38.7°F)
- Rainfall
- 45 mm (1.8 in)
- Rainy days
- 10 rainy days
- Sunshine
- 12 h sunshine / day
June
GoodHigh 16.6°C (61.9°F)
Low 9.3°C (48.7°F)
- Rainfall
- 54 mm (2.1 in)
- Rainy days
- 11 rainy days
- Sunshine
- 12.5 h sunshine / day
July
GoodHigh 18.2°C (64.8°F)
Low 11.8°C (53.2°F)
- Rainfall
- 89 mm (3.5 in)
- Rainy days
- 13 rainy days
- Sunshine
- 11 h sunshine / day
August
FairHigh 16.9°C (62.4°F)
Low 10.8°C (51.4°F)
- Rainfall
- 128 mm (5 in)
- Rainy days
- 17 rainy days
- Sunshine
- 8.8 h sunshine / day
September
FairHigh 12.4°C (54.3°F)
Low 6.7°C (44.1°F)
- Rainfall
- 142 mm (5.6 in)
- Rainy days
- 18 rainy days
- Sunshine
- 6.8 h sunshine / day
October
FairHigh 5.4°C (41.7°F)
Low 0.4°C (32.7°F)
- Rainfall
- 103 mm (4 in)
- Rainy days
- 14 rainy days
- Sunshine
- 5.2 h sunshine / day
November
PoorHigh -3°C (26.6°F)
Low -7.6°C (18.3°F)
- Rainfall
- 74 mm (2.9 in)
- Rainy days
- 12 rainy days
- Sunshine
- 3.3 h sunshine / day
December
PoorHigh -5.3°C (22.5°F)
Low -10°C (14°F)
- Rainfall
- 77 mm (3 in)
- Rainy days
- 14 rainy days
- Sunshine
- 1.7 h sunshine / day
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Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.