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

December weather forecast and climate
Cairnryan, United Kingdom

Sea temperature

In December, the average sea temperature in Cairnryan, United Kingdom, is 10.7°C (51.3°F).
Note: Swimming in 10.7°C (51.3°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.

Daylight

December has the shortest days of the year in Cairnryan, with an average of 7.3h of daylight.

What is the sea water temperature in December in Cairnryan?

In Cairnryan, United Kingdom, in December, the average water temperature is 10.7°C (51.3°F). Swimming in 10.7°C (51.3°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 Cairnryan?

December has the shortest days of the year in Cairnryan, United Kingdom, with an average of 7.3h of daylight.

How many hours of daylight does Cairnryan have in December?

The average length of the day in December in Cairnryan is 7.3h.
Average sea temperature in December - Cairnryan, United Kingdom
  • Average sea temperature in December: 10.7°C

Best months for swimming (with the highest average sea temperature) are August and September (14.3°C).
The coldest month (with the lowest average sea temperature) is March (7.8°C).

Average daylight in December - Cairnryan, United Kingdom
  • Average daylight in December: 7.3h

The month with the longest days is June (Average daylight: 17.3h).
The month with shortest days is December (Average daylight: 7.3h).