Vaasa Climate: Weather by Month and Best Time to Visit
Best months for Vaasa: July, August, June.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -2°C | -7°C | 35 mm | 10 | – | – | 3.8 |
| February | -3°C | -9°C | 28 mm | 7 | – | – | 4.1 |
| March | 1°C | -6°C | 30 mm | 8 | – | – | 4.3 |
| April | 7°C | -1°C | 32 mm | 8 | – | – | 5.4 |
| May | 13°C | 4°C | 42 mm | 9 | – | – | 6.4 |
| June | 17°C | 8°C | 59 mm | 10 | – | – | 6.9 |
| July | 21°C | 12°C | 70 mm | 11 | – | – | 7.4 |
| August | 19°C | 11°C | 70 mm | 11 | – | – | 7.1 |
| September | 14°C | 7°C | 53 mm | 10 | – | – | 6.6 |
| October | 8°C | 2°C | 55 mm | 11 | – | – | 5.3 |
| November | 3°C | -1°C | 48 mm | 10 | – | – | 4.3 |
| December | 0°C | -5°C | 45 mm | 10 | – | – | 3.7 |