July is the hottest month in Istanbul with an average temperature of 24°C (74°F) and the coldest is February at 6°C (42°F) with the most daily sunshine hours at 12 in July. The wettest month is January with an average of 100mm of rain. The best month to swim in the sea is in August when the average sea temperature is 22°C (72°F).
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Sunrise 08:26
Sunset 17:39
Sunrise 08:26
Sunset 17:39