Björnholmen Sea Water Temperature
A cool beach on the Bothnian Sea, warmest around August at about 16.4°C. Today's reading, 7-day forecast, and monthly averages below.
Björnholmen water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Björnholmen Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Björnholmen occurs inJune, July, August, September — peaking at16.4°C (61.5°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 | -0.2°C | 0.8°C | 2°C | Very Cold (< 16°C) |
| February | -0.8°C | 0°C | 0.6°C | Very Cold (< 16°C) |
| March | -0.8°C | 0.1°C | 1.2°C | Very Cold (< 16°C) |
| April | -0.3°C | 0.7°C | 2.2°C | Very Cold (< 16°C) |
| May | -0.1°C | 3.2°C | 5.2°C | Very Cold (< 16°C) |
| June | 5°C | 9.7°C | 16.7°C | Very Cold (< 16°C) |
| July | 11.4°C | 14.7°C | 19.8°C | Very Cold (< 16°C) |
| August | 13.2°C | 16.4°C | 18.5°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 10.9°C | 13.1°C | 16.4°C | Very Cold (< 16°C) |
| October | 5.8°C | 8.9°C | 13.1°C | Very Cold (< 16°C) |
| November | 2.8°C | 5.5°C | 7.2°C | Very Cold (< 16°C) |
| December | 0.7°C | 2.9°C | 4.3°C | Very Cold (< 16°C) |
Swimming FAQs for Björnholmen
Is the sea warm enough to swim in Björnholmen today?
Typical sea surface temperature in Björnholmen this time of year is 13.1°C (55.6°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 Björnholmen?
The highest water temperatures in Björnholmen typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Björnholmen in September?
Historically in September, water temperatures in Björnholmen average around13.1°C (55.6°F), fluctuating between a recorded minimum of 10.9°C and a maximum of 16.4°C.