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

January weather forecast and climate
Penzance, United Kingdom

Sea temperature

In January, the average sea temperature in Penzance, United Kingdom, is 10.4°C (50.7°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.

Daylight

The average length of the day in January in Penzance is 8.6h.

How cold is the water in January in Penzance?

In Penzance, in January, the average water temperature is 10.4°C (50.7°F). Swimming in 10.4°C (50.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

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

The average length of the day in January is 8.6h.
Average sea temperature in January - Penzance, United Kingdom
  • Average sea temperature in January: 10.4°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 (9.7°C).

Average daylight in January - Penzance, United Kingdom
  • Average daylight in January: 8.6h

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