Weather in March
March sees a slight shift in weather as Naantali transitions into spring. A moderate growth in sea temperature to -0.3°C (31.5°F) indicates the lessening cold. Longer daylight hours characterize this month, which sees a substantial increase from February. As March comes to an end, the city slowly starts to shed its winter husk. The arrival of spring offers a new crisp yet fresh ambiance in Naantali.
Note: When swimming, this state is excessively cold, posing a lethal risk. Absent the protection of insulated waterproof wear, hypothermia is likely to occur immediately.
On the first day of March in Naantali, sunrise is at 07:29 and sunset at 17:58. On the last day of the month, sunrise is at 05:57 and sunset at 19:14 EET.
Sea temperature
In March, the average sea temperature is -0.3°C (31.5°F).Note: When swimming, this state is excessively cold, posing a lethal risk. Absent the protection of insulated waterproof wear, hypothermia is likely to occur immediately.
Daylight
In Naantali, the average length of the day in March is 11h and 50min.On the first day of March in Naantali, sunrise is at 07:29 and sunset at 17:58. On the last day of the month, sunrise is at 05:57 and sunset at 19:14 EET.
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
What is the sea temperature in March in Naantali?
In Naantali, in March, the average water temperature is -0.3°C (31.5°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.
How many hours of daylight does Naantali have in March?
In Naantali, the average day length in March is 11h and 50min.
What time are sunrise and sunset in March in Naantali?
In March, on the first day of the month, sunrise is at 07:29 and sunset at 17:58. On the last day of the month, sunrise is at 05:57 and sunset at 19:14 EET.
Average sea temperature in March
Naantali, Finland
- Average sea temperature in March: -0.3°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 March
Naantali, Finland
- Average daylight in March: 11h and 5min
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).
Naantali, Finland
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