Search for cities, countries, lakes and rivers
Sea Temperature in Mariehamn in April
Complete information on the sea temperature range in the Baltic Sea in Mariehamn in April. Historical daily data. Climate details for April. Tips on swimming conditions and beach relaxation in Mariehamn. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Mariehamn in April
-1°C
MINIMUN
2°C
AVERAGE
5°C
MAXIMUM
Historical Data of Water Temperature in April in Mariehamn
Water Temperature Chart for Baltic Sea in Mariehamn in April
Sea Temperature Table in Mariehamn in April Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Apr 1 | 2°C | 2°C | 3°C | 2.0°C |
| Apr 2 | 2°C | 2°C | 3°C | 1.8°C |
| Apr 3 | 2°C | 2°C | 0°C | 1.3°C |
| Apr 4 | 3°C | 2°C | 1°C | 1.8°C |
| Apr 5 | 2°C | 2°C | 0°C | 1.3°C |
| Apr 6 | 2°C | 3°C | 0°C | 1.5°C |
| Apr 7 | 2°C | 2°C | 0°C | 1.3°C |
| Apr 8 | 2°C | 3°C | -1°C | 1.3°C |
| Apr 9 | 3°C | 3°C | 2°C | 2.3°C |
| Apr 10 | 3°C | 3°C | -1°C | 1.5°C |
| Apr 11 | 3°C | 3°C | 1°C | 2.3°C |
| Apr 12 | 3°C | 4°C | 3°C | 3.0°C |
| Apr 13 | 3°C | 4°C | -1°C | 2.0°C |
| Apr 14 | 4°C | 4°C | 3°C | 3.3°C |
| Apr 15 | 3°C | 3°C | 2°C | 2.5°C |
| Apr 16 | 3°C | 3°C | 1°C | 2.3°C |
| Apr 17 | 3°C | 3°C | 0°C | 2.0°C |
| Apr 18 | 4°C | 3°C | 3°C | 3.0°C |
| Apr 19 | 5°C | 4°C | 2°C | 3.3°C |
| Apr 20 | 5°C | 4°C | 0°C | 2.8°C |
| Apr 21 | 5°C | 4°C | -1°C | 2.5°C |
| Apr 22 | 5°C | 4°C | 1°C | 3.0°C |
| Apr 23 | 4°C | 4°C | 0°C | 2.5°C |
| Apr 24 | 4°C | 5°C | -1°C | 2.5°C |
| Apr 25 | 4°C | 4°C | 0°C | 2.5°C |
| Apr 26 | 3°C | 4°C | 2°C | 2.8°C |
| Apr 27 | 4°C | 4°C | -1°C | 2.5°C |
| Apr 28 | 4°C | 5°C | 2°C | 3.5°C |
| Apr 29 | 5°C | 4°C | 3°C | 3.8°C |
Mariehamn Climate and Swimming Opportunities in April
7°C
Average Day Air Temperature
0°C
Average Night Air Temperature
32 mm
Precipitation Amount per Month
8 days
Number of Rainy Days
14 hrs
Daylight
per Day
6 hrs
Sunshine
per Day
15 km/h
Average Wind Speed
77%
Average
humidity
Mariehamn lies within the Åland in Finland. The average daytime temperature in Mariehamn in April is 7°C (45°F), while the nighttime average is -0°C (31°F). There are typically eight rainy days during the month, with a total precipitation of 32 mm (1.3 inches). The daylight duration in April in Mariehamn is 14 hours, with an average of 6 hours of sunshine per day. The average wind speed in April is 15 km/h (9 mph), and the humidity level is around 77%.
The water temperature in Mariehamn in April ranges from 1°C to 3°C (34°F to 37°F). At the beginning of the month, the average temperature is around 2°C (36°F), shifting to 2°C (36°F) by mid-April and reaching 3°C (37°F) in the last ten days. Overall, the average sea temperature in Mariehamn for April is 2°C (36°F). The water is freezing, and the air is still very cold. Even a brief dip can be risky. A wetsuit is highly recommended.
Sea Temperature in April in Nearby Cities
Frequently Asked Questions About Water Temperatures in April in Mariehamn
What is the sea temperature in Mariehamn in April?
The water temperature in the Baltic Sea in Mariehamn in April ranges from 1°C to 3°C (34°F to 37°F).
Is it possible to swim in the Baltic Sea in Mariehamn in April?
The average sea temperature in Mariehamn in April is 2°C (36°F), and the air temperature is 7°C (45°F), so the water is freezing, and the air is still very cold. Even a brief dip can be risky. A wetsuit is highly recommended.