Finland
Turku in October: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Turku in October is climatically mixed. The average daily high is around 9 °C, and the sea is about 10 °C. With about 13 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
22/100 · #9
Warmth
#6
Dryness
#9
Sun
#8
Sea warmth
#5
Published best categories: none
Turku · OctoberPhoto: Kotivalo · CC0Climate facts
- Average high
- 9 °C
- Average low
- 3 °C
- Sea
- 10 °C
- Rainy days (est.)
- 13 rainy days (est.)
- Sun (est.)
- 1 h/day
- Humidity
- 91 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| September | 16 | 8 | 11 | 61 | 3.1 | 84 | 0.6 | 14 | 44 |
| October (selected) | 9 | 3 | 13 | 81 | 1.3 | 91 | 0.6 | 10 | 22 |
| November | 3 | -1 | 15 | 74 | 0.4 | 95 | 0.7 | 7 | 15 |
How do the previous and next months compare?
Baseline: October (22/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| September | +22 | +7 °C | +4.8 °C | -2.7 | -20.6 mm | +1.8 h | -6.4 % | ±0 m/s | +3.9 °C |
| November | -7 | -5.7 °C | -4.1 °C | +1.6 | -7.6 mm | -0.9 h | +4.6 % | ±0 m/s | -3.2 °C |
All twelve months in context
Find a place to stay
Where to stay in Turku
Compare available stays, prices and cancellation terms for Turku on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Turku in October?
The average daily high is around 9 °C, with an average daily low of about 3 °C.
Can you swim in Turku in October?
The sea is about 10 °C (cold).
Does it rain a lot in Turku in October?
The curated estimate is about 13 rainy days per month, not a directly measured long-term average. Total precipitation averages around 81 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Turku?
By the climate score, July and August are the strongest months for Turku. October is not among them.