If you're looking for summer vibes, the best time to travel to Mar Del Plata is in January, December and February, when the average temperature reaches 27.39 °C, while January, December and November are the 3 sunniest months of the year, with an average of 147.63 hours.
However, if you prefer colder temperatures, make sure you visit Mar Del Plata during July, June or August to experience an average of 3.22 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during May, January and February, when the average precipitation in Mar Del Plata is 11.25 mm, while the months of January, February and March are drier, with an average of 0 mm.