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Weather & Climate

Anchorage, Alaska, United States

Overview

Climate data and monthly weather averages for Anchorage.

Key Metrics

Annual Avg
1.8°C
Summer Avg
12.4°C
Winter Avg
-7.3°C
Record High
27.1°C
Record Low
-26.5°C
Annual Precipitation
821.4 mm
Avg Humidity
86%
Summer Humidity
81%
Winter Humidity
92%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan3.4°-8.3°-25.7°5392%951.6
Feb-6.5°-21.9°50.791%2546.7
Mar6.2°-5.6°-26.5°39.188%7545.1
Apr13.2°0.4°-17.2°38.182%12151.8
May20.8°6.5°-7.3°47.178%15340.1
Jun25.9°11.1°2.6°59.179%16032.8
Jul27.1°13.5°5.2°83.481%14828.8
Aug26.8°12.7°3.3°11082%11731.2
Sep18.9°8.3°-2.8°118.284%7241.6
Oct12.5°-13.8°87.488%3445
Nov6.6°-5.3°-20.8°71.192%1148.8
Dec3.6°-7°-24.8°64.293%464.7

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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