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Mar del Plata in December

Find out everything about the water temperature in Mar del Plata in December. Average, minimum and maximum recorded temperatures as well as daily temperature in December for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in December
Minimum:

59.9 °F

Average:

64.6 °F

Maximum:

70.2 °F

Sea water temperature in Mar del Plata in December

In the city of Mar del Plata, the month of December is somewhat too cool for swimming. The minimum recorded temperature during this month was 59.9°F on December 7, 2019, with an average temperature being 64.6°F and a maximum temperature reaching 70.2°F on December 29, 2015.

Most people would find such water temperature somewhat too cold for swimming. In December, the sea temperature remains relatively stable. The average temperature stays close to 64.6°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Dec 1 62.8°F 65.0°F 63.6°F
Dec 2 62.8°F 65.1°F 64.5°F
Dec 3 62.9°F 64.7°F 64.8°F
Dec 4 62.4°F 62.5°F 63.8°F
Dec 5 62.3°F 60.7°F 63.1°F
Dec 6 62.7°F 60.2°F 63.4°F
Dec 7 62.7°F 60.3°F 63.4°F
Dec 8 62.8°F 60.7°F 63.1°F
Dec 9 63.2°F 60.7°F 63.9°F
Dec 10 63.3°F 61.1°F 63.2°F
Dec 11 63.9°F 61.9°F 65.5°F
Dec 12 64.1°F 61.9°F 66.1°F
Dec 13 64.0°F 62.5°F 66.9°F
Dec 14 64.2°F 62.4°F 67.4°F
Dec 15 64.3°F 62.4°F 68.0°F
Dec 16 64.9°F 62.8°F 69.5°F
Dec 17 65.0°F 63.3°F 68.8°F
Dec 18 65.0°F 63.7°F 68.2°F
Dec 19 65.0°F 63.8°F 67.6°F
Dec 20 65.1°F 63.9°F 67.7°F
Dec 21 65.5°F 65.1°F 65.6°F
Dec 22 65.5°F 62.9°F 66.6°F
Dec 23 65.8°F 64.0°F 66.5°F
Dec 24 65.8°F 63.7°F 65.4°F
Dec 25 66.2°F 63.3°F 65.5°F
Dec 26 66.1°F 63.3°F 65.2°F
Dec 27 66.2°F 63.2°F 65.6°F
Dec 28 66.6°F 63.2°F 66.6°F
Dec 29 66.7°F 63.7°F 65.6°F
Dec 30 67.2°F 64.2°F 64.6°F
Dec 31 67.4°F 66.1°F 64.7°F

Sea water temperature in Mar del Plata by month

In an average year, Mar del Plata offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Mar del Plata was recorded on March 1, 2017, reaching a 75.1°F. While the coldest temperature occurred on August 18, 2024, dipping to 48.5°F. The average readings by season are 67.9°F in Winter, 64.7°F in Spring, 52.4°F in Summer, and 56.1°F in Autumn. The average temperature in December is slightly warmer than November's average of 60.5°F. And in January, the temperature is expected to rise further, potentially reaching an average of 68.9°F.