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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
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 4.1° | -4.8° | -25.1° | 177 | 95% | 14 | 70.8 |
| Feb | 3.9° | -3.6° | -23.5° | 142.8 | 95% | 30 | 70.1 |
| Mar | 4.6° | -4.3° | -23.2° | 109.4 | 92% | 70 | 78.3 |
| Apr | 14.5° | -0.4° | -17.1° | 131.4 | 91% | 102 | 63.6 |
| May | 21° | 4.3° | -8.2° | 133.6 | 87% | 132 | 56.8 |
| Jun | 25.3° | 8.8° | 0.5° | 125.7 | 83% | 144 | 50.6 |
| Jul | 26° | 11.7° | 4° | 125.2 | 83% | 141 | 54.6 |
| Aug | 24.7° | 11.4° | 2.3° | 145.1 | 85% | 116 | 56.6 |
| Sep | 20.5° | 7.9° | -2.1° | 171.6 | 88% | 76 | 61.1 |
| Oct | 12.4° | 3° | -13.1° | 186.3 | 91% | 43 | 59.8 |
| Nov | 8.3° | -2.2° | -22.7° | 154.5 | 94% | 19 | 62.1 |
| Dec | 5.7° | -4.1° | -22.8° | 197.8 | 95% | 9 | 84.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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