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Weather & Climate
Northwest Arctic Borough, Alaska, United States
Overview
Climate data and monthly weather averages for Northwest Arctic Borough.
Key Metrics
Annual Avg
-5.3°C
Summer Avg
11.4°C
Winter Avg
-19.9°C
Record High
27.4°C
Record Low
-46.1°C
Annual Precipitation
551.7 mm
Avg Humidity
89%
Summer Humidity
81%
Winter Humidity
93%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 1.4° | -21.7° | -46.1° | 32.9 | 93% | 2 | 61 |
| Feb | 1.4° | -18.6° | -46.1° | 44.5 | 93% | 15 | 80.5 |
| Mar | 0.5° | -17.2° | -37.8° | 24.5 | 93% | 64 | 59.6 |
| Apr | 9.5° | -7.4° | -31.4° | 30.9 | 92% | 119 | 60.4 |
| May | 20.9° | 2.9° | -22° | 37.2 | 86% | 156 | 42.2 |
| Jun | 27° | 10.9° | -5.4° | 40.5 | 79% | 174 | 47.5 |
| Jul | 27.4° | 12.7° | -0.7° | 75 | 81% | 144 | 36.5 |
| Aug | 24.2° | 10.6° | -2.4° | 81.8 | 84% | 108 | 40.8 |
| Sep | 17.1° | 4.5° | -7.8° | 54 | 87% | 64 | 46.8 |
| Oct | 12.1° | -4.8° | -24.1° | 50.8 | 93% | 24 | 65.8 |
| Nov | 1° | -15.7° | -34.1° | 39.9 | 95% | 5 | 65.8 |
| Dec | 1.3° | -19.4° | -39.9° | 39.7 | 94% | 0 | 69.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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