Ready for Turku?
Pick whatever suits you best.
📊 Monthly Climate Overview
| Month | Max °C | Min °C | Rain mm | Rain Days | Sun h | Wind km/h | Sea °C |
|---|---|---|---|---|---|---|---|
| Jan | -0.8°C | -5.2°C | 58.6 mm | 12 | 1.9 h | 19.5 km/h | – |
| Feb | 0.3°C | -4.9°C | 49 mm | 10 | 3.9 h | 19.5 km/h | – |
| Mar | 3.1°C | -3.7°C | 41.4 mm | 9 | 7.1 h | 19.5 km/h | – |
| Apr | 8.8°C | -0.2°C | 34.5 mm | 8 | 10.9 h | 18.1 km/h | – |
| May | 14.9°C | 5.2°C | 47.8 mm | 9 | 12.9 h | 17.9 km/h | – |
| Jun | 20°C | 10.8°C | 56.4 mm | 10 | 14.4 h | 18.8 km/h | – |
| Jul | 21.7°C | 13.4°C | 92.7 mm | 14 | 14.0 h | 17 km/h | – |
| Aug | 20.4°C | 13.2°C | 110.1 mm | 15 | 11.6 h | 17.9 km/h | – |
| Sep | 15.7°C | 9.1°C | 58.1 mm | 10 | 8.6 h | 17.3 km/h | – |
| Oct | 9.1°C | 4°C | 71.2 mm | 12 | 5.2 h | 19 km/h | – |
| Nov | 4.4°C | 0.8°C | 63 mm | 13 | 2.1 h | 18.2 km/h | – |
| Dec | 1.2°C | -2.7°C | 63.3 mm | 12 | 1.5 h | 19 km/h | – |
📖Climate & Best Time to Visit Turku
Turku (Finland) has a temperate climate with an annual average of around 7 °C. Daytime highs average 10 °C, while nights cool to about 3 °C. The destination sees roughly 746 mm of rainfall per year and 7.8 hours of sunshine per day on average.
Spring and autumn are ideal for a city break: June is the sunniest month with 14.4 hours of sun per day, and mild temperatures make exploring on foot comfortable. Peak summer (July, up to 21.7 °C) can get exhausting, while in January nights drop to -5.2 °C.
Note: with roughly 27 °C between the hottest and coldest month, picking the right time of year matters a lot here.
🎟️ Top activities in Turku
🏡 How does it compare to home?
Enter your hometown — we’ll show you a direct climate comparison.
✨ Discover more of Turku
Frequently asked questions about Turku
When is the best time to visit Turku?
The best time to visit Turku: May to September – best in June (avg. 15.4 °C, 10 rainy days). Based on the monthly values for 2014 to 2023.
What are the temperatures in Turku?
The warmest month is July with an average of 17.6 °C and daytime highs around 21.7 °C. The coldest month is January with an average of -3.0 °C and night-time lows around -5.2 °C.
How many rainy days does Turku have?
August has the most rainy days with 15 rainy days. The driest month is April with 8 rainy days.