Best time to swim in Otaru in Japan Sea temperature by month
Do you want to swim in the sea in Otaru in Japan? But when is the best time to go to be sure to have pleasant water for swimming in Otaru and be able to swim without catching cold? This month, or a different one? The answer is on this page, with the sea water temperature by month in Otaru, based on the average temperatures recorded in previous years.
Best time to swim in Otaru: the water temperature by month
Do you feel like swimming in Otaru in Japan? Discover the average sea temperature for each month of the year (based on previous years' records) and our opinion on swimming in the table below.
| Month | Average Sea temperature | Our opinion |
|---|---|---|
| January | 44°F (min: 40°F/max: 49°F) | freezing swimming |
| February | 42°F (min: 39°F/max: 45°F) | freezing swimming |
| March | 42°F (min: 40°F/max: 44°F) | freezing swimming |
| April | 45°F (min: 42°F/max: 49°F) | freezing swimming |
| May | 51°F (min: 45°F/max: 56°F) | freezing swimming |
| June | 59°F (min: 53°F/max: 65°F) | freezing swimming |
| July | 66°F (min: 62°F/max: 70°F) | cool swimming |
| August | 71°F (min: 68°F/max: 74°F) | pleasant swimming |
| September | 70°F (min: 65°F/max: 74°F) | cool swimming |
| October | 62°F (min: 58°F/max: 67°F) | cold swimming |
| November | 55°F (min: 50°F/max: 60°F) | freezing swimming |
| December | 48°F (min: 44°F/max: 52°F) | freezing swimming |