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

May weather forecast and climate
Penzance, United Kingdom

Sea temperature

In May, the average sea temperature in Penzance, United Kingdom, is 12°C (53.6°F).
Note: Swimming in 12°C (53.6°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 average length of the day in May in Penzance is 15.5h.

What is the water temperature in May in Penzance?

In Penzance, United Kingdom, the average seawater temperature in May is 12°C (53.6°F). Swimming in 12°C (53.6°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 average length of the day in May in Penzance?

In Penzance, the average length of the day in May is 15.5h.
Average sea temperature in May - Penzance, United Kingdom
  • Average sea temperature in May: 12°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 May - Penzance, United Kingdom
  • Average daylight in May: 15.5h

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