July is the hottest month in Monte Carlo with an average temperature of 24°C (75°F) and the coldest is January at 10°C (50°F) with the most daily sunshine hours at 14 in July. The wettest month is November with an average of 123mm of rain. The best month to swim in the sea is in August when the average sea temperature is 24°C (75°F).
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Sunrise 07:33
Sunset 17:00
Sunrise 07:33
Sunset 17:00