Lillsand 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.
Lillsand water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Lillsand Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Lillsand 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 Lillsand
Is the sea warm enough to swim in Lillsand today?
Typical sea surface temperature in Lillsand 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 Lillsand?
The highest water temperatures in Lillsand typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Lillsand in September?
Historically in September, water temperatures in Lillsand average around13.1°C (55.6°F), fluctuating between a recorded minimum of 10.9°C and a maximum of 16.4°C.