Alderney
Guernsey
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Alderney, Guernsey

Sea temperature

In Alderney, Guernsey, in Junio, the average water temperature is 13.8°C (56.8°F).
Note: Swimming in 13.8°C (56.8°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

With an average of 16.2h of daylight, Junio has the longest days of the year.

What is the water temperature in Junio in Alderney?

In Alderney, in Junio, the average water temperature is 13.8°C (56.8°F). Swimming in 13.8°C (56.8°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.

When are the longest days in Alderney?

Junio has the longest days of the year, with an average of 16.2h of daylight.

What is the average length of the day in Junio in Alderney?

In Junio, the average length of the day in Alderney, Guernsey, is 16.2h.
Average sea temperature in June - Alderney, Guernsey
  • Average sea temperature in June: 13.8°C

The best month for swimming (with the highest average sea temperature) is September (17.4°C).
The coldest month (with the lowest average sea temperature) is March (9.3°C).

Average daylight in June - Alderney, Guernsey
  • Average daylight in June: 16.2h

The month with the longest days is June (Average daylight: 16.2h).
The month with shortest days is December (Average daylight: 8.2h).