You have chosen to compare the two cities, in order to view the weather separately for each city or resort, simply follow the links Porvoo, Finland and Seinajoki, Finland. You can also calculate distance Porvoo — Seinajoki with the help of our distance calculator, which knows how to route between cities.
Porvoo and Seinajoki — Comparison weather
Porvoo, Finland and Seinajoki, Finland — Comparison weather. Learn where is warmer and colder where in any month of the year. Compare the day and night temperature, water temperature and precipitation. Where the sun shines longer, and where the rains.
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Comparison of daily temperature
Comparison night temperature
Comparing the temperature of the water
Comparison of precipitation
Porvoo and Seinajoki Comparison seasons
| Most sunny months | |
| June | 15 days |
| July | 15 days |
| August | 14 days |
| The warmest months | |
| July | 19.2 °C |
| August | 18.9 °C |
| June | 15.6 °C |
| The warmest water (sea, ocean) | |
| August | 17.4 °C |
| July | 17 °C |
| September | 14.4 °C |
| The coldest months | |
| January | -2.2 °C |
| February | -2.2 °C |
| March | 0.3 °C |
| Rainiest months | |
| August | 6 days |
| September | 5 days |
| October | 5 days |
| Most windy months | |
| December | 23.5 km / h |
| October | 22.6 km / h |
| November | 22.3 km / h |
| Most sunny months | |
| July | 12 days |
| June | 11 days |
| May | 11 days |
| The warmest months | |
| July | 21.2 °C |
| August | 19.2 °C |
| June | 18.5 °C |
| The warmest water (sea, ocean) | |
| August | 16.5 °C |
| July | 15.6 °C |
| September | 13 °C |
| The coldest months | |
| January | -5.2 °C |
| February | -3.7 °C |
| December | -2 °C |
| Rainiest months | |
| August | 7 days |
| July | 6 days |
| June | 4 days |
| Most windy months | |
| March | 13.5 km / h |
| December | 13 km / h |
| February | 12.8 km / h |
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