Swimming in Marstal in august 2025: Average sea temperature in august and tide times in august 2025
Average sea temperature in Marstal in august 2025.
In august, according to seasonal norms, the sea temperature in Marstal is:
Minimum: 61°F
Average: 66°F
Maximum: 69°F
Other useful seasonal weather averages in august:
- Outside temperature: 63°F to 68°F
- Most common weather: "Clear/Sunny"
- The wind blows at 10.6mph
- It rains a total of 5.1in, over 9 day(s).
Should we swim in Marstal in august?
Yes... and no. The water temperature in Marstal in august is cool
Swimming in august on the beaches of Marstal is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 69°F, it can also be as low as 61°F! Note that the average is 66°F.
Note also that in august, the climate is good with an average outside temperature of 65°F, 5.1in of precipitation (over 9 days) and 81.66 % humidity.
Water and normal seasonal temperatures in Marstal in august
| August | |||
| Average sea temperature | 66°F | ||
| Minimum sea temperature | 61°F | ||
| Maximum sea temperature | 69°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 68°F | ||
| Minimum outside temperature | 63°F | ||
| Wind speed | 14.9mph | ||
| Wind temperature | 63°F | ||
| Precipitation | 5.1in | ||
| Number of days of rain | 9 jour(s) (29%) | ||
| Humidity | 82% | ||
| Visibility in kilometers | 9.48km | ||
| Cloud cover | 39% | ||
| Our opinion | cool swimming |
Chart of the tides in august 2025
Tide times in august 2025 in Marstal
Swim elsewhere in Denmark in august
| City | Average T° | Min. T° | Max. T° | Our opinion | Copenhagen in august | 64°F | 69°F | cool swimming | Faroe Islands in august | 53°F | 54°F | freezing swimming | Odense in august | 65°F | 70°F | cool swimming | Aarhus in august | 65°F | 69°F | cool swimming | Esbjerg in august | 65°F | 70°F | cool swimming | Hirtshals in august | 64°F | 69°F | cool swimming | Ringkøbing in august | 64°F | 68°F | cool swimming | Stege in august | 64°F | 68°F | cool swimming | Thisted in august | 64°F | 68°F | cool swimming | Tórshavn in august | 52°F | 54°F | freezing swimming |