August is the hottest month in Greenock with an average temperature of 15°C (58°F) and the coldest is February at 5°C (41°F) with the most daily sunshine hours at 6 in June. The best month to swim in the sea is in August when the average sea temperature is 15°C (59°F).
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Sunrise 07:55
Sunset 16:12
Sunrise 07:55
Sunset 16:12