Monthly weather forecast and climate
Gretna, United Kingdom

Average sea temperature - Gretna, United Kingdom

The best month for swimming (with the highest average sea temperature) is August (15.8°C).
The coldest month (with the lowest average sea temperature) is February (7.1°C).

Average daylight - Gretna, United Kingdom

The month with the longest days is June (Average daylight: 17.3h).
The month with shortest days is December (Average daylight: 7.3h).

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