Weather in Turku in October 2025
Average weather
Average temperature in Turku in October
The expected average maximum temperature in October is +7°C with a maximum of +15°C and a minimum of -4°C.
The average maximum temperature goes down 37% by the end of the month, compared with the beginning of the month, from +14°C to +7°C.
Is Turku warm or cold in October?
Turku is typically cool in October.
Maximum temperatures go down compared to the previous month from +15°C to +9°C. The minimum temperature also goes down from +8°C to +4°C.
Pack a sweater and a jacket as there will be cooler temperatures.
Take a look at how October is compared to other months in Turku:
Water temperature in Turku in October
Water in Turku in October is Cold. It varies from +2°C to +13°C, with an average of +8°C. This is almost similar to the air temperature, which averages +9°C.
In October, water temperatures are average relative to the rest of the year:
Can you swim in Turku in October?
Climate in Turku in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +15°C | +9°C | +4°C | ||||
| Min. temperature | ||||||
| -3°C | -12°C | -18°C | ||||
| Max. temperature | ||||||
| +24°C | +17°C | +14°C | ||||
| Rainfall | ||||||
| 56 mm | 60 mm | 45 mm | ||||
| Wind | ||||||
| 3 m/s | 4 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +11°C | +8°C | +5°C | ||||
| Humidity | ||||||
| 82% | 85% | 89% | ||||
| Air pressure | ||||||
| 1011 HPa | 1011 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 6 | 4 | 2 | ||||
| Cloudy days | ||||||
| 9 | 11 | 11 | ||||
| Rainy days | ||||||
| 15 | 15 | 10 | ||||
| Snowy days | ||||||
| 0 | 1 | 7 | ||||
October weather is still as ok as in September. It’s getting colder in October. From +15°C in the day, the average maximum temperature lowers to +9°C. Prepare for more rain. Average rainfall goes from 56 mm to 60 mm. Humidity rises from 82% to 85%. Winds are stronger in comparison to September, going up from 3 m/s to 4 m/s on average. The days becoming less sunny, going from 6 sunny days in September to 4 in October.
Next month (November) brings a further decline in the weather.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Turku is gradually increasing during October, going from 3 m/s to 5 m/s over the course of the month.
Rain
Snow
Here’s how October is compared with other months in the amount of snow, total mm:
How was the weather last October in Turku?
Climate Change over Years
The climate in Turku in October has not changed much over the last 43 years.
The average temperature was the lowest in 1987 (+6°C) and the highest in 2020 (+11°C). The driest year was 2003 with only 300 mm of rainfall, and the wettest year was 2020 with 615 mm.
FAQ
Is October a good time to visit Turku?
Can you sunbathe in Turku in October?
Can you swim in Turku in October?
Is Turku rainy in October?
Is it sunny in Turku in October?
Other cities in Finland
Monthly weather in Turku
Source of the data
For this page, we’ve looked at the typical weather in Turku, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.