Monthly Friday Harbor water temperature chart
The bar chart below shows the average monthly sea temperatures at Friday Harbor over the year.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 7.5 | 7.3 | 7.6 | 7.9 | 8.8 | 9.6 | 10.8 | 11.5 | 11.5 | 10.5 | 9.2 | 8.2 |
°F | 45.5 | 45.1 | 45.7 | 46.2 | 47.8 | 49.3 | 51.4 | 52.7 | 52.7 | 50.9 | 48.6 | 46.8 |
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 | 6.7 | 6.3 | 6.3 | 6.8 | 7.3 | 7.8 | 9.8 | 10.2 | 10.5 | 9 | 8 | 7.3 |
Max °C | 8.4 | 8.3 | 8.9 | 9 | 10.4 | 11.4 | 11.9 | 12.9 | 12.5 | 12.1 | 10.4 | 9.2 |
Min °F | 44.7 | 44.1 | 44.4 | 45.1 | 46.3 | 47.5 | 50.4 | 51.4 | 51.7 | 49.4 | 47.4 | 45.9 |
Max °F | 46.4 | 46.1 | 47 | 47.3 | 49.4 | 51.1 | 52.5 | 54.1 | 53.7 | 52.5 | 49.8 | 47.8 |