Koiraranta Sea Water Temperature
A cool beach on the Bothnian Sea, warmest around August at about 17.2°C. Today's reading, 7-day forecast, and monthly averages below.
Koiraranta water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Koiraranta Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Koiraranta occurs inJune, July, August, September — peaking at17.2°C (63°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 | -0.1°C | 2°C | 4.1°C | Very Cold (< 16°C) |
| February | -0.5°C | 0.6°C | 2.8°C | Very Cold (< 16°C) |
| March | -0.7°C | 0.5°C | 2.1°C | Very Cold (< 16°C) |
| April | 0.2°C | 1.8°C | 4.4°C | Very Cold (< 16°C) |
| May | 0.7°C | 5.2°C | 10.6°C | Very Cold (< 16°C) |
| June | 4.4°C | 10.5°C | 15.5°C | Very Cold (< 16°C) |
| July | 12.2°C | 15.5°C | 19.9°C | Very Cold (< 16°C) |
| August | 14.6°C | 17.2°C | 19.5°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 11.4°C | 14.2°C | 17.6°C | Very Cold (< 16°C) |
| October | 5.6°C | 10°C | 14.6°C | Very Cold (< 16°C) |
| November | 3°C | 6.7°C | 9°C | Very Cold (< 16°C) |
| December | 2°C | 4.2°C | 6.4°C | Very Cold (< 16°C) |
Swimming FAQs for Koiraranta
Is the sea warm enough to swim in Koiraranta today?
Typical sea surface temperature in Koiraranta 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 Koiraranta?
The highest water temperatures in Koiraranta typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Koiraranta in September?
Historically in September, water temperatures in Koiraranta average around14.2°C (57.6°F), fluctuating between a recorded minimum of 11.4°C and a maximum of 17.6°C.