Turku - When to Visit

When to Visit Turku

Climate guide & best times to travel

Monthly Climate Data for Turku Average temperature and rainfall by month Climate Overview -12°C -2°C 7°C 17°C 27°C Rainfall (mm) 0 36 73 Jan Jan: -1.0°C high, -6.0°C low, 58mm rain Feb Feb: -1.0°C high, -7.0°C low, 43mm rain Mar Mar: 2.0°C high, -4.0°C low, 38mm rain Apr Apr: 9.0°C high, 0.0°C low, 33mm rain May May: 15.0°C high, 4.0°C low, 36mm rain Jun Jun: 19.0°C high, 9.0°C low, 56mm rain Jul Jul: 22.0°C high, 12.0°C low, 74mm rain Aug Aug: 21.0°C high, 11.0°C low, 74mm rain Sep Sep: 15.0°C high, 7.0°C low, 58mm rain Oct Oct: 8.0°C high, 2.0°C low, 74mm rain Nov Nov: 3.0°C high, 0.0°C low, 71mm rain Dec Dec: 0.0°C high, -4.0°C low, 74mm rain Temperature Rainfall
Turku, Finland experiences a classic Nordic continental climate with distinct seasons and significant temperature variations throughout the year. The city endures long, cold winters from December through March with temperatures well below freezing, while summers from June to August are pleasantly mild with temperatures reaching the low 70s°F. The climate is characterized by relatively consistent humidity levels around 70% year-round and moderate precipitation that peaks during the summer and autumn months. Winter brings the least rainfall, though much precipitation likely falls as snow during the coldest months. The dramatic seasonal changes create distinct travel experiences, from snow-covered winter landscapes to the bright, comfortable summers that make the most of Finland's famous midnight sun period.

Best Time to Visit

Beach & Relaxation
June through August offer the warmest temperatures (67-72°F) for enjoying Turku's archipelago and waterfront areas, though expect some summer rainfall.
Cultural Exploration
May through September provide comfortable temperatures (59-72°F) ideal for walking tours, outdoor markets, and exploring Turku's historic sites without extreme cold.
Adventure & Hiking
June through August offer the best conditions with highs of 67-72°F, though May and September (59-60°F) provide cooler hiking weather with fewer crowds.
Budget Travel
November through March offer the lowest tourist crowds and accommodation prices, though temperatures drop to 19-30°F requiring warm winter clothing.

Month-by-Month Guide

January

January brings Turku's coldest weather with frigid temperatures and minimal daylight hours. Snow covers the landscape while the city takes on a serene winter atmosphere perfect for experiencing authentic Finnish winter culture.

30°F High
20°F Low
2.3 inches Rainfall
Low Crowds
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February

February continues the harsh winter conditions with the coldest temperatures of the year. Despite the challenging weather, this is an excellent time to experience winter activities and witness the gradual increase in daylight hours.

29°F High
19°F Low
1.7 inches Rainfall
Low Crowds
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March

March marks the beginning of winter's end with slightly warmer temperatures and the lowest rainfall of the year. Snow may still cover the ground, but daylight hours increase significantly as spring approaches.

36°F High
23°F Low
1.5 inches Rainfall
Low Crowds
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April

April brings noticeable warming as spring arrives in Turku, with temperatures rising above freezing during the day. The landscape begins to thaw and green, making it an ideal time to witness the dramatic seasonal transition.

48°F High
31°F Low
1.3 inches Rainfall
Medium Crowds
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May

May offers pleasant spring weather with comfortable temperatures and relatively dry conditions. The city comes alive with blooming flowers and longer daylight hours, making it excellent for outdoor exploration.

59°F High
40°F Low
1.4 inches Rainfall
Medium Crowds
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June

June ushers in summer with warm, comfortable temperatures and the beginning of Finland's famous white nights. Despite increased rainfall, this marks the start of peak tourist season with excellent weather for all outdoor activities.

67°F High
48°F Low
2.2 inches Rainfall
High Crowds
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July

July represents peak summer in Turku with the warmest temperatures of the year and maximum daylight hours. Though rainfall reaches its highest levels, the warm weather and vibrant atmosphere make this the most popular time to visit.

72°F High
54°F Low
2.9 inches Rainfall
High Crowds
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August

August continues the summer warmth with very comfortable temperatures and high rainfall levels. The weather remains ideal for festivals, outdoor dining, and exploring the archipelago, though tourist crowds remain at peak levels.

69°F High
52°F Low
2.9 inches Rainfall
High Crowds
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September

September brings the arrival of autumn with cooler but still pleasant temperatures and moderate rainfall. The changing foliage creates beautiful scenery while tourist crowds begin to thin out.

60°F High
45°F Low
2.3 inches Rainfall
Medium Crowds
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October

October showcases full autumn colors with crisp temperatures and the highest rainfall of the year. The dramatic seasonal change creates stunning landscapes, though visitors should prepare for increasingly unpredictable weather.

47°F High
37°F Low
2.9 inches Rainfall
Medium Crowds
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November

November transitions into early winter with chilly temperatures and high rainfall that may begin turning to snow. Daylight hours decrease significantly, creating a moody atmosphere perfect for indoor cultural activities.

38°F High
30°F Low
2.8 inches Rainfall
Low Crowds
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December

December brings the onset of true winter with cold temperatures and high precipitation that likely falls as snow. The festive holiday atmosphere and winter activities compensate for the challenging weather conditions.

33°F High
24°F Low
2.9 inches Rainfall
Low Crowds
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