Monthly Tomakomai water temperature chart
The bar chart below shows the average monthly sea temperatures at Tomakomai over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 5.0 | 2.9 | 2.8 | 5.1 | 8.0 | 13.6 | 17.5 | 20.8 | 20.1 | 16.4 | 12.6 | 8.3 |
| °F | 41 | 37.2 | 37 | 41.2 | 46.4 | 56.5 | 63.5 | 69.4 | 68.2 | 61.5 | 54.7 | 46.9 |
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 | 1.4 | 0.9 | 1.2 | 2.8 | 3.9 | 9.7 | 14.7 | 19 | 17.8 | 14.2 | 9.7 | 4.9 |
| Max °C | 8.7 | 4.9 | 4.5 | 7.4 | 12.2 | 17.5 | 20.3 | 22.7 | 22.4 | 18.6 | 15.5 | 11.8 |
| Min °F | 37.4 | 35.2 | 35.4 | 38.9 | 42.3 | 52.6 | 60.7 | 67.6 | 65.9 | 59.3 | 51.8 | 43.5 |
| Max °F | 44.7 | 39.2 | 38.7 | 43.5 | 50.6 | 60.4 | 66.3 | 71.3 | 70.5 | 63.7 | 57.6 | 50.4 |