Weather in January
Weather in February
Weather in March
The months with the coldest seawater in
Rymättylä,
Finland, are
February and
March, with an average sea temperature of -0.2°C (31.6°F).
Note: In the course of swimming, this situation is life-threatening and fraught with risk.
Weather in March »
Weather in April
Weather in May
In
May, the average sea temperature in
Rymättylä,
Finland, is 3.8°C (38.8°F).
Note: While swimming, this is deemed life-threatening and exceptionally hazardous.
Weather in May »Weather in June
In
Rymättylä,
Finland, the average seawater temperature in
June is 8.7°C (47.7°F).
Note: Dipping in 8.7°C (47.7°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties.
Weather in June »
Weather in July
In
Rymättylä,
Finland, in
July, the average water temperature is 11.9°C (53.4°F).
Note: Unprotected swimming in 11.9°C (53.4°F) is dangerous due to potential cold shock.
Weather in July »Weather in August
Weather in September
Weather in October
In
Rymättylä,
Finland, the average seawater temperature in
October is 6.2°C (43.2°F).
Note: It is risky to swim in 6.2°C (43.2°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation.
Weather in October »Weather in November
Weather in December
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