Weather in April
Sea temperature
In Östermalm, Sweden, the average seawater temperature in April is 2.9°C (37.2°F).Note: When swimming, this condition is immediately life-threatening. Loss of control over breathing occurs instantly, impairing clear thought. It is vital to wear a specialized swimsuit to prevent thermal loss.
Daylight
In Östermalm, the average length of the day in April is 14h and 32min.On the first day of April in Östermalm, sunrise is at 06:11 and sunset at 19:30. On the last day of the month, sunrise is at 04:49 and sunset at 20:40 CEST.
Frequently asked questions
How cold is the water in April in Östermalm?
In Östermalm, Sweden, the average seawater temperature in April is 2.9°C (37.2°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.
How many hours of daylight does Östermalm have in April?
In April, the average day length in Östermalm, Sweden, is 14h and 32min.
When is the sunrise / sunset in April in Östermalm?
On the first day of April in Östermalm, Sweden, sunrise is at 06:11 and sunset at 19:30. On the last day of the month, sunrise is at 04:49 and sunset at 20:40 CEST.
Average sea temperature in April
Östermalm, Sweden
- Average sea temperature in April: 2.9°C
The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is February (1°C).
Average daylight in April
Östermalm, Sweden
- Average daylight in April: 14h and 3min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
Östermalm, Sweden
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