January is the hottest month in Mar Plata with an average temperature of 20°C (68°F) and the coldest is June at 9°C (48°F) with the most daily sunshine hours at 9 in December. The wettest month is March with an average of 100mm of rain. The best month to swim in the sea is in February when the average sea temperature is 20°C (68°F).
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Sunrise 05:21
Sunset 20:06
Sunrise 05:21
Sunset 20:06