Naantali Climate: Weather by Month and Best Time to Visit
Best months for Naantali: July, August, June.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -1°C | -6°C | 48 mm | 10 | – | – | 3.7 |
| February | -2°C | -7°C | 37 mm | 8 | – | – | 4.0 |
| March | 2°C | -5°C | 34 mm | 8 | – | – | 4.4 |
| April | 8°C | 0°C | 32 mm | 8 | – | – | 5.6 |
| May | 13°C | 4°C | 39 mm | 9 | – | – | 6.6 |
| June | 18°C | 9°C | 62 mm | 11 | – | – | 7.0 |
| July | 21°C | 13°C | 75 mm | 12 | – | – | 7.3 |
| August | 20°C | 12°C | 75 mm | 12 | – | – | 7.1 |
| September | 15°C | 8°C | 58 mm | 10 | – | – | 6.6 |
| October | 9°C | 4°C | 62 mm | 11 | – | – | 5.5 |
| November | 4°C | 0°C | 58 mm | 11 | – | – | 4.5 |
| December | 1°C | -3°C | 57 mm | 12 | – | – | 3.8 |