City in Southwest Finland, Finland
Turku weather by month and the best time to visit
When to go to Turku
June–Aug is warm and bright with river terraces and archipelago trips; Turku Music Festival is in Aug. Winter is cold and gray.
Turku weather by month
Average daily high, rainfall and conditions.
- Jan-2°60 mm
- Feb-2°47 mm
- Mar2°42 mm
- Apr8°41 mm
- May15°47 mm
- Jun19°64 mm
- Jul22°64 mm
- Aug21°72 mm
- Sep16°63 mm
- Oct8°78 mm
- Nov3°74 mm
- Dec0°70 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | -2°C28°F | -7°C20°F | 60 mm | 97% | Freezing |
| February | -2°C28°F | -8°C18°F | 47 mm | 97% | Freezing |
| March | 2°C35°F | -5°C23°F | 42 mm | 91% | Freezing |
| April | 8°C47°F | 0°C31°F | 41 mm | 82% | Cold |
| May | 15°C59°F | 5°C41°F | 47 mm | 78% | Cool |
| June | 19°C66°F | 10°C49°F | 64 mm | 77% | Pleasant |
| July | 22°C72°F | 13°C56°F | 64 mm | 77% | Pleasant |
| August | 21°C70°F | 12°C54°F | 72 mm | 79% | Pleasant |
| September | 16°C60°F | 8°C47°F | 63 mm | 85% | Cool |
| October | 8°C47°F | 3°C38°F | 78 mm | 91% | Cold |
| November | 3°C38°F | 0°C32°F | 74 mm | 96% | Cold |
| December | 0°C32°F | -4°C25°F | 70 mm | 97% | Freezing |
Best months across Finland
Quick answers
What is the best month to visit Turku?
May–Sep. June–Aug is warm and bright with river terraces and archipelago trips; Turku Music Festival is in Aug. Winter is cold and gray.
When is the rainy season in Turku?
Rain peaks in October with about 78 mm. No month averages 150 mm or more.
What is the hottest month in Turku?
July, with average highs of 22°C (72°F).
How cold does Turku get?
The coolest nights are in February, averaging -8°C (18°F).
More about Turku
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.