Naantali Weather in July
July in Naantali sees daytime temperatures around 22°C (72°F) and lows of 13°C (55°F) at night. With around 80 mm (3.1 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Naantali in July
Historically, July sees about 14 days of rain, with a monthly average of 80 mm (3.1 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 July
The perfect temperature in Naantali in July makes it a solid month to visit, with 22°C (72°F) during the day and 13°C (55°F) at night. July is part of summer. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, it sees the highest temps of the year.
Sunshine in Naantali in July
Expect a lot of sunshine this month, with about 288 hours of sun. These sunny conditions add to the overall experience.If you're a fan of comfortable temperatures and drier conditions, July is a great time to visit.
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 July
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Naantali typically stay consistent throughout July, with daily highs averaging around 22°C (72°F). Nights are cool, with lows typically ranging from 12°C (54°F) to 14°C (57°F).
Average temperatures in July
Historical weather for Naantali in July
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 July
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Naantali.
- On July 28, 2019, temperatures climbed to 32°C (90°F), marking the warmest July day on record.
- On July 14, 1977, Naantali saw its coldest July day with temperatures maxing out at 9°C (48°F).
- The coldest night in July in Naantali was on July 9, 1999, with a minimum of 4°C (39°F).
Best Places in Finland in July
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Naantali in July
Comfortable temperatures call for an easy wardrobe in July. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Naantali in July
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.