Stora Sandarna Sea Water Temperature
A cool beach on the Sea of Åland, warmest around August at about 17.5°C. Today's reading, 7-day forecast, and monthly averages below.
Stora Sandarna water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Stora Sandarna Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Stora Sandarna occurs inJune, July, August, September — peaking at17.5°C (63.5°F) in August.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 0.7°C | 3.4°C | 7.6°C | Very Cold (< 16°C) |
| February | 0.1°C | 1.9°C | 4.1°C | Very Cold (< 16°C) |
| March | 0.2°C | 1.9°C | 5.1°C | Very Cold (< 16°C) |
| April | 1°C | 3.4°C | 6.1°C | Very Cold (< 16°C) |
| May | 3.5°C | 6.9°C | 11.7°C | Very Cold (< 16°C) |
| June | 8.5°C | 12°C | 16°C | Very Cold (< 16°C) |
| July | 12.9°C | 16.5°C | 21.5°C | Cool / Refreshing (16°C – 20°C) |
| August | 15.2°C | 17.5°C | 21.3°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 10°C | 14.2°C | 16.6°C | Very Cold (< 16°C) |
| October | 7.9°C | 10.7°C | 13.8°C | Very Cold (< 16°C) |
| November | 5.1°C | 7.4°C | 9.9°C | Very Cold (< 16°C) |
| December | 3.6°C | 5.3°C | 7.2°C | Very Cold (< 16°C) |
Swimming FAQs for Stora Sandarna
Is the sea warm enough to swim in Stora Sandarna today?
Typical sea surface temperature in Stora Sandarna this time of year is 14.2°C (57.6°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.
What are the warmest months for swimming in Stora Sandarna?
The highest water temperatures in Stora Sandarna typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Stora Sandarna in September?
Historically in September, water temperatures in Stora Sandarna average around14.2°C (57.6°F), fluctuating between a recorded minimum of 10°C and a maximum of 16.6°C.