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

December weather forecast and climate
Porthcawl, United Kingdom

Sea temperature

In December, the average sea temperature in Porthcawl, United Kingdom, is 11.4°C (52.5°F).
Note: Swimming in 11.4°C (52.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

December has the shortest days of the year in Porthcawl, with an average of 7.9h of daylight.

How cold is the water in December in Porthcawl?

In December, the average sea temperature in Porthcawl, United Kingdom, is 11.4°C (52.5°F). Swimming in 11.4°C (52.5°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 Porthcawl?

The month with the shortest days in Porthcawl, United Kingdom, is December, with an average of 7.9h of daylight.

How many hours of daylight does Porthcawl have in December?

The average length of the day in December in Porthcawl is 7.9h.
Average sea temperature in December - Porthcawl, United Kingdom
  • Average sea temperature in December: 11.4°C

The best month for swimming (with the highest average sea temperature) is August (17.1°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).

Average daylight in December - Porthcawl, United Kingdom
  • Average daylight in December: 7.9h

The month with the longest days is June (Average daylight: 16.5h).
The month with shortest days is December (Average daylight: 7.9h).