
| Month | Low | High |
|---|---|---|
| Jan | 20.7°F | 30.6°F |
| Feb | 23.5°F | 34.3°F |
| Mar | 27.8°F | 39.5°F |
| Apr | 33.4°F | 48.1°F |
| May | 40.1°F | 55.7°F |
| Jun | 46.1°F | 61.6°F |
| Jul | 49.2°F | 64.3°F |
| Aug | 48.3°F | 63.1°F |
| Sept | 43.8°F | 56.1°F |
| Oct | 37.7°F | 46.9°F |
| Nov | 28.9°F | 37.6°F |
| Dec | 24.4°F | 33.0°F |
Juneau's coldest month is January when the average temperature overnight is 20.7°F. In July, the warmest month, the average day time temperature rises to 64.3°F.

| Month | Precipitation |
|---|---|
| Jan | 4.81in. |
| Feb | 4.02in. |
| Mar | 3.51in. |
| Apr | 2.96in. |
| May | 3.48in. |
| Jun | 3.36in. |
| Jul | 4.14in. |
| Aug | 5.37in. |
| Sept | 7.54in. |
| Oct | 8.30in. |
| Nov | 5.43in. |
| Dec | 5.41in. |
The driest month in Juneau is April with 2.96 inches of precipitation, and with 8.30 inches October is the wettest month.