Turku Weather in January
During January, Turku experiences very low daytime temperatures of 0°C (32°F) and cooler nights around -6°C (21°F). As part of the winter season, some snow/rainfall is to be expected.
Rainfall in Turku in January
Historically, the month has about 21 days of snow/rain, averaging 56 mm (2.2 in) in total. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Turku in January
Daytime temperatures in Turku reach 0°C (32°F) in January, dropping to -6°C (21°F) at night. January marks the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. With overnight lows of -6°C (21°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. With temperatures this low, you'll need to dress warmly. Staying prepared is crucial to avoid the discomfort of the cold.
Sunshine in Turku in January
The area experiences limited sunny days, amounting to roughly 42 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.January in Turku can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
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 January
Min Temperature
-6°C (21°F)
Max Temperature
0°C (32°F)
Chance of Rain
71%
Precipitation
56 mm (2.2 in)
Rainy days
21 days
Sunshine
42 hours
Percentage Sunshine
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Turku typically stay consistent throughout January, with daily highs averaging around 0°C (32°F). Nights are very cold, with lows typically ranging from -9°C (16°F) to -6°C (21°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Turku in January
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 January
The extremes listed below come from historical weather data collected in Turku from 1976 through 2025.
- The hottest January day on record in Turku reached 9°C (48°F) (January 21, 2020).
Best Places in Finland in January
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Turku in January
Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Turku in January
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.
