Naantali Weather in October
With daytime temperatures of 10°C (50°F) and nighttime lows of 4°C (39°F), October in Naantali brings low temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 70 mm (2.8 in) falls on average.
Rainfall in Naantali in October
Historically, the month has about 18 days of rain, averaging 70 mm (2.8 in) in total. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Naantali in October
Expect highs of 10°C (50°F) in Naantali in October, with nights dropping to around 4°C (39°F). The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Naantali in October
The area experiences limited sunny days, amounting to roughly 88 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.October in Naantali has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations 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 Naantali's climate page.
Naantali Temperature in October
Min Temperature
4°C (39°F)
Max Temperature
10°C (50°F)
Chance of Rain
61%
Precipitation
70 mm (2.8 in)
Rainy days
18 days
Sunshine
88 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Naantali typically drop from around 12°C (54°F) at the start of October to approximately 7°C (45°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 6°C (43°F).
Average temperatures in October
Historical weather for Naantali in October
Browse day-by-day weather records for Naantali spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Naantali historical weather extremes in October
Our historical data for Naantali spans 1999 to 2025, revealing these weather extremes.
- The hottest October day on record in Naantali reached 18°C (64°F) (October 1, 2000).
- On October 23, 2003, Naantali saw its coldest October day with temperatures maxing out at -2°C (28°F).
- Nighttime temperatures dropped to -13°C (9°F) on October 19, 2002, marking the coldest October night on record.
Best Places in Finland in October
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in October →
perfect weather
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What to Wear in Naantali in October
Dress warmly and in layers for your trip to Naantali in October. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Naantali in October
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 Naantali's climate page.
See the full Naantali climate overview or explore weather in Finland.
