Monthly Vaasa water temperature chart
The bar chart below shows the average monthly sea temperatures at Vaasa over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 0.1 | -0.3 | -0.2 | 0.6 | 3.9 | 10.6 | 16.3 | 16.4 | 12.7 | 8.0 | 4.9 | 2.4 |
| °F | 32.2 | 31.5 | 31.6 | 33.1 | 39 | 51.1 | 61.3 | 61.5 | 54.9 | 46.4 | 40.8 | 36.3 |
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 | -1.6 | -1 | -0.7 | -1 | -0.3 | 6.2 | 12.1 | 13.8 | 8.8 | 4.7 | 2.1 | -0.4 |
| Max °C | 1.8 | 0.4 | 0.3 | 2.2 | 8.1 | 15.1 | 20.6 | 19.1 | 16.7 | 11.4 | 7.8 | 5.2 |
| Min °F | 30.5 | 30.8 | 31.2 | 31.6 | 34.9 | 46.7 | 57.1 | 58.9 | 51 | 43.1 | 38 | 33.5 |
| Max °F | 33.9 | 32.2 | 32.1 | 34.7 | 43.2 | 55.6 | 65.6 | 64.2 | 58.9 | 49.8 | 43.7 | 39.1 |