December · Finland
Best time to visit Turku in December Weather, crowds & prices
Weather in Turku in December
Average temperature -3°C, 61 mm of rain, about 0 days with 6+ hours of sunshine and 97% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
2.6/10
Ranked #11 of 12 months
- Avg temp
- -3°C
- Rainfall
- 61 mm
- Humidity
- 97%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Turku scores 2.6/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around -3°C, 61 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Turku, Finland's oldest city, lines the Aura river with a medieval castle, a cathedral and ferries to the archipelago.
December in Turku: expect compromises
At -3°C (26°F) this is proper winter weather in December: layer up and split the day between outdoor highlights and indoor stops.
61 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 5.4 hours of daylight.
That is 2.6/10 on the same scale — 11th of 12 months, versus 9.4/10 for the best month here.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, June is materially better in Turku — 6.8 points higher on the same scale.
Frequently asked
- What is the weather like in Turku in December?
- In December, Turku averages -3°C, 61 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 2.6/10.
- Is December a good time to visit Turku?
- December earns a 2.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Turku in December?
- Expect about 61 mm of rain in December. Average humidity is 97% and there are about 0 days with 6+ hours of sunshine.
Curated in Turku
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Turku, Finland. Live activities and tours from GetYourGuide, matched to this destination.