March weather forecastÖsthammar, Sweden
March
Weather in March
Sea temperature
In March, the average sea temperature in Östhammar, Sweden, is 0.3°C (32.5°F).Note: In swimming situations, the extreme cold and danger can lead to fatality. Without the protection of insulated waterproof gear, hypothermia takes effect quickly.
Daylight
The average length of the day in March in Östhammar is 11h and 50min.On the first day of the month, sunrise is at 06:43 and sunset at 17:13. On the last day of March, sunrise is at 05:12 and sunset at 18:28 CET.
Updated: Feb 2, 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
In Östhammar, Sweden, in March, the average water temperature is 0.3°C (32.5°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.
In March, the average day length in Östhammar, Sweden, is 11h and 50min.
In March, on the first day of the month, sunrise is at 06:43 and sunset at 17:13. On the last day of the month, in Östhammar, sunrise is at 05:12 and sunset at 18:28 CET.
Average sea temperature in March
Östhammar, Sweden
- Average sea temperature in March: 0.3°C
The best month for swimming (with the highest average sea temperature) is August (18.2°C).
The coldest month (with the lowest average sea temperature) is February (0.1°C).
Average daylight in March
Östhammar, Sweden
- Average daylight in March: 11h and 48min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).





