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

December weather forecast and climate
Penzance, United Kingdom

Sea temperature

In Penzance, United Kingdom, in Diciembre, the average water temperature is 11.8°C (53.2°F).
Note: Swimming in 11.8°C (53.2°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

The month with the shortest days is Diciembre, with an average of 8.2h of daylight.

How cold is the water in Diciembre in Penzance?

In Diciembre, the average sea temperature is 11.8°C (53.2°F). Swimming in 11.8°C (53.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Penzance?

Diciembre has the shortest days of the year in Penzance, with an average of 8.2h of daylight.

What is the average length of the day in Diciembre in Penzance?

The average length of the day in Diciembre is 8.2h.
Average sea temperature in December - Penzance, United Kingdom
  • Average sea temperature in December: 11.8°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 (9.7°C).

Average daylight in December - Penzance, United Kingdom
  • Average daylight in December: 8.2h

The month with the longest days is June (Average daylight: 16.3h).
The month with shortest days is December (Average daylight: 8.2h).