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Weather & Climate
Juneau, Alaska, United States
Overview
Available climate summaries for Juneau. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
0.3°C
Summer Avg
9°C
Winter Avg
-7.4°C
Record High
23°C
Record Low
-32.6°C
Annual Precipitation
3153.5 mm
Avg Humidity
91%
Summer Humidity
88%
Winter Humidity
94%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 4.9° | -7.5° | -32.6° | 338.8 | 95% | 11 | 60.7 |
| Feb | 2.5° | -7.5° | -29.8° | 219.2 | 93% | 28 | 68.9 |
| Mar | 7.4° | -6.2° | -28.4° | 209.3 | 91% | 66 | 60.9 |
| Apr | 8.8° | -1.3° | -19.7° | 172.5 | 89% | 107 | 44.5 |
| May | 15.3° | 3.3° | -12.4° | 154.1 | 87% | 145 | 37.5 |
| Jun | 21.6° | 7.5° | 0° | 148.2 | 87% | 147 | 29.6 |
| Jul | 22.9° | 9.9° | 1.6° | 204.3 | 89% | 134 | 26.4 |
| Aug | 23° | 9.7° | 2.1° | 279.9 | 89% | 107 | 42.2 |
| Sep | 19.7° | 6.3° | -2.6° | 369.3 | 90% | 67 | 47.3 |
| Oct | 12.6° | 1.2° | -17.4° | 384.1 | 92% | 35 | 48.4 |
| Nov | 6.6° | -5.3° | -28.1° | 328.5 | 95% | 14 | 59.6 |
| Dec | 3.3° | -7.1° | -30.8° | 345.3 | 95% | 7 | 60.7 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
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