April
Weather in April
Naantali in April witnesses the full bloom of spring. The sea temperature climbs to a more mild 0.5°C (32.9°F), signifying the season's change. The city receives longer sunlight exposure, setting a mostly daylight scenario. Vacations during this time might involve soaking in the serene views of the city under the clear skies. April is a pleasant contrast to the intense cold of the winter months, promising a refreshing seasonal shift.
Note: In the case of swimming, the extreme coldness, danger, and life-threatening nature of this situation are apparent. Without insulated waterproof wear, hypothermia sets in rapidly.
On the first day of the month, sunrise is at 06:54 and sunset at 20:16. On the last day of April, in Naantali, Finland, sunrise is at 05:28 and sunset at 21:30 EEST.
Sea temperature
In April, the average sea temperature is 0.5°C (32.9°F).Note: In the case of swimming, the extreme coldness, danger, and life-threatening nature of this situation are apparent. Without insulated waterproof wear, hypothermia sets in rapidly.
Daylight
In April, the average length of the day is 14h and 40min.On the first day of the month, sunrise is at 06:54 and sunset at 20:16. On the last day of April, in Naantali, Finland, sunrise is at 05:28 and sunset at 21:30 EEST.
Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is the water in April in Naantali?
In April, the average sea temperature in Naantali is 0.5°C (32.9°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.
What is the average length of the day in April in Naantali?
In Naantali, Finland, the average day length in April is 14h and 40min.
When are sunrise and sunset in April in Naantali?
In April, on the first day of the month, sunrise is at 06:54 and sunset at 20:16. On the last day of the month, in Naantali, sunrise is at 05:28 and sunset at 21:30 EEST.
Average sea temperature in April
Naantali, Finland
- Average sea temperature in April: 0.5°C
The best month for swimming (with the highest average sea temperature) is August (12.8°C).
The coldest month (with the lowest average sea temperature) is February (-0.4°C).
Average daylight in April
Naantali, Finland
- Average daylight in April: 14h and 4min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
