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Weather & Climate

Kodiak Island Borough, Alaska, United States

Overview

Climate data and monthly weather averages for Kodiak Island Borough.

Key Metrics

Annual Avg
2.3°C
Summer Avg
10.6°C
Winter Avg
-4.2°C
Record High
26°C
Record Low
-25.1°C
Annual Precipitation
1800.4 mm
Avg Humidity
90%
Summer Humidity
84%
Winter Humidity
95%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan4.1°-4.8°-25.1°17795%1470.8
Feb3.9°-3.6°-23.5°142.895%3070.1
Mar4.6°-4.3°-23.2°109.492%7078.3
Apr14.5°-0.4°-17.1°131.491%10263.6
May21°4.3°-8.2°133.687%13256.8
Jun25.3°8.8°0.5°125.783%14450.6
Jul26°11.7°125.283%14154.6
Aug24.7°11.4°2.3°145.185%11656.6
Sep20.5°7.9°-2.1°171.688%7661.1
Oct12.4°-13.1°186.391%4359.8
Nov8.3°-2.2°-22.7°154.594%1962.1
Dec5.7°-4.1°-22.8°197.895%984.6

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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