July is the hottest month in Monfalcone with an average temperature of 23°C (73°F) and the coldest is January at 4°C (39°F) with the most daily sunshine hours at 9 in August. The wettest month is June with an average of 110mm of rain. The best month to swim in the sea is in August when the average sea temperature is 34°C (93°F).
                    
                    
                    
                    
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Sunrise 06:51
Sunset 16:48
Sunrise 06:51
Sunset 16:48