Alnmouth
United Kingdom
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Alnmouth, United Kingdom

Sea temperature

In Alnmouth, United Kingdom, the average seawater temperature in May is 9.6°C (49.3°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

In May, the average length of the day is 16.3h.

What is the sea water temperature in May in Alnmouth?

In May, the average sea temperature is 9.6°C (49.3°F). Swimming in 9.6°C (49.3°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 May in Alnmouth?

In Alnmouth, United Kingdom, the average length of the day in May is 16.3h.
Average sea temperature in May - Alnmouth, United Kingdom
  • Average sea temperature in May: 9.6°C

The best month for swimming (with the highest average sea temperature) is August (15.3°C).
The coldest month (with the lowest average sea temperature) is March (6.7°C).

Average daylight in May - Alnmouth, United Kingdom
  • Average daylight in May: 16.3h

The month with the longest days is June (Average daylight: 17.4h).
The month with shortest days is December (Average daylight: 7.2h).