Monthly Juneau water temperature chart
The bar chart below shows the average monthly sea temperatures at Juneau over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 4.8 | 4.7 | 4.4 | 4.9 | 6.4 | 8.4 | 10.2 | 11.8 | 10.3 | 8.1 | 7.0 | 6.1 |
| °F | 40.6 | 40.5 | 39.9 | 40.8 | 43.5 | 47.1 | 50.4 | 53.2 | 50.5 | 46.6 | 44.6 | 43 |
Monthly average max / min water temperatures
The graph below shows the range of monthly water temperatures over several years.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 3.8 | 4.1 | 3.6 | 3.7 | 4.3 | 6.2 | 7.9 | 9.7 | 8.7 | 7 | 5.7 | 4.9 |
| Max °C | 5.8 | 5.4 | 5.2 | 6.2 | 8.5 | 10.7 | 12.5 | 14 | 12 | 9.3 | 8.3 | 7.3 |
| Min °F | 39.6 | 39.9 | 39.1 | 39.6 | 41.4 | 44.9 | 48.1 | 51.1 | 48.9 | 45.5 | 43.3 | 41.8 |
| Max °F | 41.6 | 41.2 | 40.7 | 42.1 | 45.6 | 49.4 | 52.7 | 55.4 | 52.2 | 47.8 | 45.9 | 44.2 |