Weather in January
In
Sheerness,
United Kingdom, the average seawater temperature in
January is 8.4°C (47.1°F).
Note: It is life-risking to swim in 8.4°C (47.1°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance.
Weather in January »Weather in February
In
Sheerness,
United Kingdom, in
February, the average water temperature is 8.3°C (46.9°F).
Note: Beware of 8.3°C (46.9°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health.
Weather in February »Weather in March
Weather in April
In
Sheerness,
United Kingdom, in
April, the average water temperature is 9.4°C (48.9°F).
Note: Dipping into 9.4°C (48.9°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly.
Weather in April »Weather in May
Weather in June
In
Sheerness,
United Kingdom, the average seawater temperature in
June is 13.8°C (56.8°F).
Note: With an efficient thermal swimsuit, one can navigate 13.8°C (56.8°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in.
Weather in June »
Weather in July
Weather in August
Weather in September
Weather in October
Weather in November
In
Sheerness,
United Kingdom, the average seawater temperature in
November is 14.3°C (57.7°F).
Note: Swimming at temperatures less than 10°C (50°F) in 14.3°C (57.7°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness.
Weather in November »Weather in December
In
Sheerness,
United Kingdom, in
December, the average water temperature is 11.4°C (52.5°F).
Note: Swimming in 11.4°C (52.5°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty.
Weather in December »