Naantali Weather in April
April in Naantali sees daytime temperatures around 9°C (48°F) and lows of 0°C (32°F) at night. As the driest month of the year.
Rainfall in Naantali in April
Take advantage of the dry conditions this month, with minimal rain expected, even if it's a cooler time of year. Analyzing past climate data, one can expect approximately 12 days of rain, averaging 38 mm (1.5 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Naantali in April
Temperatures in Naantali in April top out at 9°C (48°F) and drop to 0°C (32°F) overnight. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights fall to 0°C (32°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Naantali in April
The city usually sees around 206 hours of sunlight, indicating many sunny days despite the cool temperatures, making it a good month for sightseeing.April in Naantali can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options 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 April
Min Temperature
0°C (32°F)
Max Temperature
9°C (48°F)
Chance of Rain
41%
Precipitation
38 mm (1.5 in)
Rainy days
12 days
Sunshine
206 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Naantali typically rise from around 5°C (41°F) at the start of April to approximately 11°C (52°F) by the end. Nights are cold, with lows typically ranging from -2°C (28°F) to 2°C (36°F).
Average temperatures in April
Historical weather for Naantali in April
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 April
Based on 27 years of weather observations (1999-2026), these are the most extreme conditions recorded in Naantali.
- The warmest day in April was on April 30, 2008, with a maximum of 22°C (72°F).
- The coldest April day was on April 1, 2003, with a maximum of -1°C (30°F).
- Naantali registered its coldest April night on April 1, 2003, with temperatures dropping to -11°C (12°F).
Best Places in Finland in April
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in April →
perfect weather
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unpleasant
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What to Wear in Naantali in April
Dress warmly and in layers for your trip to Naantali in April. 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. Light rain is possible, so consider bringing a small umbrella or rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Naantali in April
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.
