Anchorage Climate by Month
Anchorage, Alaska, United States
Mild summers and freezing winters, with rain spread through the year.
Mild summers and freezing winters, with rain spread through the year: that's Anchorage's climate in short. July is the warmest month, with highs around 67°F (19°C); January is the coolest at 24°F (-4°C), and nights dip to 11°F (-11°C). It gets 36 in (906 mm) of rain a year, spread across the months.
- Warmest month
- 67°F(19°C)
- Average high, July
- Coldest nights
- 11°F(-11°C)
- Average low, January
- Rain per year
- 36 in(906 mm)
- No clear rainy season
- Humidity
- 76%
- Sunniest: June
Best and worst months in Anchorage
Best for weatherThe most comfortable weather comes in June and July, with highs around 66°F (19°C) and about 2.2 in (57 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 24°F (-4°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Anchorage weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 24°F(-4°C) | 11°F(-11°C) | 2.8 in(70 mm) | 89% | 0.3 |
| FebFebruary | 29°F(-2°C) | 15°F(-9°C) | 2.6 in(66 mm) | 74% | 0.8 |
| MarMarch | 34°F(1°C) | 19°F(-7°C) | 1.9 in(49 mm) | 82% | 2.1 |
| AprApril | 46°F(8°C) | 31°F(-1°C) | 1.5 in(37 mm) | 64% | 3.4 |
| MayMay | 58°F(14°C) | 42°F(5°C) | 1.6 in(41 mm) | 66% | 4.7 |
| JunJuneBest | 65°F(18°C) | 50°F(10°C) | 1.8 in(46 mm) | 68% | 5.3 |
| JulJulyBest | 67°F(19°C) | 53°F(12°C) | 2.7 in(68 mm) | 74% | 4.3 |
| AugAugust | 65°F(18°C) | 51°F(11°C) | 4.3 in(110 mm) | 73% | 3.5 |
| SepSeptember | 56°F(13°C) | 43°F(6°C) | 5.8 in(148 mm) | 75% | 2.2 |
| OctOctober | 43°F(6°C) | 31°F(0°C) | 4.1 in(103 mm) | 79% | 1.1 |
| NovNovember | 30°F(-1°C) | 19°F(-7°C) | 3.0 in(75 mm) | 90% | 0.4 |
| DecDecember | 26°F(-3°C) | 14°F(-10°C) | 3.7 in(93 mm) | 80% | 0.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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