United Kingdom
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Cockenzie, United Kingdom

Sea temperature

In Cockenzie, United Kingdom, the average seawater temperature in December is 9.3°C (48.7°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.


December has the shortest days of the year in Cockenzie, with an average of 7.1h of daylight.

How cold is the water in December in Cockenzie?

In December, the average sea temperature is 9.3°C (48.7°F). Swimming in 9.3°C (48.7°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the month with the shortest days in Cockenzie?

The month with the shortest days is December, with an average of 7.1h of daylight.

How many hours of daylight does Cockenzie have in December?

The average length of the day in December is 7.1h.
Average sea temperature in December - Cockenzie, United Kingdom
  • Average sea temperature in December: 9.3°C

The best month for swimming (with the highest average sea temperature) is August (14.7°C).
Coldest months (with the lowest average sea temperature) are February and March (6.8°C).

Average daylight in December - Cockenzie, United Kingdom
  • Average daylight in December: 7.1h

The month with the longest days is June (Average daylight: 17.5h).
The month with shortest days is December (Average daylight: 7.1h).