Mar del Plata Seasonal temperature break down - The average median temperature March through May is approximately 58°F with highs averaging at 70°F and lows averaging at 48°F. June through August has an approximate average median temperature of 47°F with highs averaging at 59°F, lows typically average at 37°F. Average median temperatures September through November average out at 55°F, high temperatures average out at 68°F and lows average at 45°F.
The average median temperature December through February is approximately 67°F with highs averaging at 81°F, lows average out at 56°F.
The average Mar del Plata annual median temperature averages out at approximately 57°F. The coldest month in Mar del Plata is July with a median temperature of 45°F, the average high for the month of July is 56°F with an average low of 34°F. The hottest month in Mar del Plata is January with an approximate median temperature of 69°F, the average high for the month of January is 83°F with an average low of 59°F.