Naantali Weather in June
June in Naantali brings pleasant temperatures around 19°C (66°F) during the day, dropping to 10°C (50°F) at night, with quite a bit of rainfall expected, averaging around 68 mm (2.7 in) for the month.
Rainfall in Naantali in June
Historically, approximately 10 days this month are expected to have rain, averaging 68 mm (2.7 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Naantali in June
In June, Naantali gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 10°C (50°F). June is typically considered a summer month. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Naantali in June
There are approximately 277 hours of sunshine this month, resulting in mostly clear days.If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 June
Min Temperature
10°C (50°F)
Max Temperature
19°C (66°F)
Chance of Rain
34%
Precipitation
68 mm (2.7 in)
Rainy days
10 days
Sunshine
277 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Naantali typically stay consistent throughout June, with daily highs averaging around 19°C (66°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 13°C (55°F).
Average temperatures in June
Historical weather for Naantali in June
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 June
Our historical data for Naantali spans 1981 to 2025, revealing these weather extremes.
- The warmest day in June was on June 26, 1986, with a maximum of 30°C (86°F).
- The coldest June day was on June 4, 2009, with a maximum of 8°C (46°F).
- Naantali registered its coldest June night on June 7, 2009, with temperatures dropping to 0°C (32°F).
Best Places in Finland in June
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in June →
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What to Wear in Naantali in June
Comfortable temperatures call for an easy wardrobe in June. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Naantali in June
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.
