January weather forecast and climate
Alderney, Guernsey

Average sea temperature in January - Alderney, Guernsey
  • Average sea temperature in January: 10.1°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 January - Alderney, Guernsey
  • Average daylight in January: 8.7h

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

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