Turku Weather in May
May in Turku brings moderate temperatures, with highs of 16°C (61°F) and nights dropping to 5°C (41°F). Expect some rainfall, with around 44 mm (1.7 in) typical for the month.
Rainfall in Turku in May
Typically, about 11 days will experience rainfall, with an average of 44 mm (1.7 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Turku in May
Turku in May gets highs of 16°C (61°F) during the day and drops to 5°C (41°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Turku in May
Expect sunny days throughout the month, with an estimated 283 hours of sunshine. This makes it a pleasant time to visit Turku.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Turku.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Turku's climate page.
Turku Temperature in May
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Turku typically rise from around 12°C (54°F) at the start of May to approximately 17°C (63°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 8°C (46°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Turku in May
Browse day-by-day weather records for Turku spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Turku historical weather extremes in May
Based on 49 years of weather observations in Turku between 1976 and 2025, these are the recorded extremes.
- Turku recorded its highest May temperature of 29°C (84°F) on May 31, 1995.
- On May 1, 1981, Turku saw its coldest May day with temperatures maxing out at 2°C (36°F).
- The coldest night in May in Turku was on May 12, 1999, with a minimum of -6°C (21°F).
Best Places in Finland in May
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in May →
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What to Wear in Turku in May
The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Turku in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Turku's climate page.
See the full Turku climate overview or explore weather in Finland.