Turku weather by month & the best time to visit
Finland · seaside town · continental climate
The best time to visit Turku is July — its sunniest month (Sunshine Score 76/100), with August and June close behind. Turku averages about 1,640 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 64 mm of rain in July.
When is the best time to visit Turku?
For sunshine, the best time to visit Turku is July, then August and June. The dullest month is January (0/100, 60 mm of rain). The full month-by-month picture is in the table below.
How sunny is Turku?
Turku isn't a sunny place by world standards: about 1,640 hours of sunshine a year. 76 Sunshine Score points separate July (76) from January (0), so the month you pick matters. It ranks #10 of 20 destinations in Finland for annual sunshine, above the national median of 1,638 hours. The year's 723 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | -3° / 27°F | -7° / 19°F | 60 mm | 0 | 0° / 32°F |
| February | 0 | -2° / 28°F | -8° / 18°F | 47 mm | 0 | 0° / 32°F |
| March | 0 | 2° / 36°F | -5° / 23°F | 42 mm | 1 | 1° / 34°F |
| April | 0 | 8° / 46°F | -1° / 30°F | 41 mm | 2 | 4° / 39°F |
| May | 46 | 15° / 59°F | 5° / 41°F | 47 mm | 3 | 14° / 57°F |
| June | 70 | 19° / 66°F | 9° / 48°F | 65 mm | 4 | 21° / 70°F |
| July | 76 | 22° / 72°F | 13° / 55°F | 64 mm | 4 | 22° / 72°F |
| August | 75 | 21° / 70°F | 12° / 54°F | 72 mm | 3 | 21° / 70°F |
| September | 51 | 16° / 61°F | 8° / 46°F | 63 mm | 2 | 17° / 63°F |
| October | 0 | 8° / 46°F | 3° / 37°F | 78 mm | 1 | 11° / 52°F |
| November | 0 | 3° / 37°F | 0° / 32°F | 74 mm | 0 | 5° / 41°F |
| December | 0 | 0° / 32°F | -4° / 25°F | 70 mm | 0 | 1° / 34°F |
Sea temperature in Turku by month
The sea off Turku is warmest in July at around 22°C / 72°F, and coolest in January at 0°C / 32°F. The water sits at a comfortable 21°C or warmer roughly 3 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Turku: questions and answers
What kind of destination is Turku?
Turku is a seaside town in Finland with a continental climate — the sea reaches 22°C at its warmest and is swimmable (21°C+) about 3 months a year.
How many hours of sunshine does Turku get a year?
Turku gets about 1,640 hours of sunshine a year, at its best around July.
When is the best time to visit Turku?
The sunniest time to visit Turku is July, when the Sunshine Score peaks at 76/100 (with August and June close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Turku?
January is the least sunny month in Turku, scoring 0/100 with about 60 mm of rain.
What is the sea temperature in Turku?
The sea in Turku ranges from about 0°C (January) to 22°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Turku?
The typical midday UV index in Turku peaks around 4 (moderate) in June, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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