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Montevideo in December

Find out everything about the water temperature in Montevideo 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:

66.4 °F

Average:

72.1 °F

Maximum:

77.4 °F

Sea water temperature in Montevideo in December

In the city of Montevideo, the month of December is somewhat comfortable for swimming. The minimum recorded temperature during this month was 66.4°F on December 3, 2017, with an average temperature being 72.1°F and a maximum temperature reaching 77.4°F on December 30, 2021.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In December, the sea temperature remains relatively stable. The average temperature stays close to 72.1°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Dec 1 69.8°F 68.6°F 71.5°F
Dec 2 69.9°F 69.1°F 71.1°F
Dec 3 70.1°F 69.7°F 72.6°F
Dec 4 70.2°F 69.1°F 71.4°F
Dec 5 70.4°F 69.5°F 71.2°F
Dec 6 70.5°F 69.6°F 70.3°F
Dec 7 70.6°F 70.0°F 70.1°F
Dec 8 70.8°F 70.3°F 70.3°F
Dec 9 70.9°F 70.2°F 70.5°F
Dec 10 71.7°F 70.6°F 70.2°F
Dec 11 72.0°F 71.2°F 71.5°F
Dec 12 72.4°F 71.6°F 71.2°F
Dec 13 72.3°F 71.2°F 71.6°F
Dec 14 72.6°F 71.0°F 72.2°F
Dec 15 72.6°F 71.8°F 72.6°F
Dec 16 72.3°F 72.3°F 73.7°F
Dec 17 72.3°F 71.8°F 73.2°F
Dec 18 72.5°F 73.3°F 74.2°F
Dec 19 72.6°F 73.6°F 74.2°F
Dec 20 72.5°F 73.3°F 74.1°F
Dec 21 72.7°F 73.3°F 74.1°F
Dec 22 72.2°F 72.2°F 72.2°F
Dec 23 72.3°F 72.2°F 72.8°F
Dec 24 72.5°F 72.4°F 71.3°F
Dec 25 72.9°F 72.8°F 71.5°F
Dec 26 72.9°F 72.8°F 72.7°F
Dec 27 72.9°F 72.8°F 73.5°F
Dec 28 73.6°F 73.5°F 73.3°F
Dec 29 74.4°F 74.3°F 74.2°F
Dec 30 74.8°F 74.7°F 73.7°F
Dec 31 75.0°F 74.9°F 73.1°F

Sea water temperature in Montevideo by month

In Montevideo, the months January through February offer comfortable swimming conditions, which amounts to 79 swimming days. The warmest water in Montevideo was recorded on March 1, 2017, reaching a 82.4°F. While the coldest temperature occurred on July 13, 2024, dipping to 47.4°F. The average readings by season are 74.4°F in Winter, 67.5°F in Spring, 53.9°F in Summer, and 62.3°F in Autumn. The average temperature in December is slightly warmer than November's average of 67.5°F. And in January, the temperature is expected to rise further, potentially reaching an average of 75.6°F.