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Baltimore in December

Find out everything about the water temperature in Baltimore 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:

38.4 °F

Average:

44.4 °F

Maximum:

52.5 °F

Sea water temperature in Baltimore in December

In the city of Baltimore, the month of December is too cold for swimming. The minimum recorded temperature during this month was 38.4°F on December 25, 2019, with an average temperature being 44.4°F and a maximum temperature reaching 52.5°F on December 1, 2024.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. Throughout the month of December, the sea temperature gradually gets colder. Starting with an average temperature of 46.6°F at the beginning of the month, it steadily decreases to around 42.5°F by the end.
Date 10 years average 2024 2023
Dec 1 48.8°F 52.5°F 50.6°F
Dec 2 48.3°F 50.9°F 49.2°F
Dec 3 47.7°F 50.8°F 48.1°F
Dec 4 47.3°F 50.4°F 47.3°F
Dec 5 46.4°F 48.8°F 44.4°F
Dec 6 45.7°F 48.1°F 47.0°F
Dec 7 45.3°F 47.2°F 46.0°F
Dec 8 45.7°F 46.8°F 47.2°F
Dec 9 45.6°F 45.3°F 46.3°F
Dec 10 45.6°F 44.7°F 46.0°F
Dec 11 45.5°F 44.4°F 46.1°F
Dec 12 45.1°F 44.4°F 45.9°F
Dec 13 45.5°F 44.5°F 46.1°F
Dec 14 45.1°F 44.0°F 45.8°F
Dec 15 44.7°F 43.2°F 46.1°F
Dec 16 44.4°F 42.5°F 46.0°F
Dec 17 44.1°F 41.9°F 45.1°F
Dec 18 43.5°F 40.4°F 44.5°F
Dec 19 43.4°F 41.0°F 44.6°F
Dec 20 42.9°F 40.8°F 44.1°F
Dec 21 43.1°F 40.4°F 44.9°F
Dec 22 43.0°F 40.4°F 44.5°F
Dec 23 42.7°F 40.1°F 43.8°F
Dec 24 42.7°F 40.1°F 43.5°F
Dec 25 42.6°F 39.9°F 43.2°F
Dec 26 42.4°F 39.8°F 42.9°F
Dec 27 42.4°F 39.7°F 42.6°F
Dec 28 42.3°F 39.7°F 42.3°F
Dec 29 42.1°F 39.5°F 43.0°F
Dec 30 42.5°F 39.8°F 42.9°F
Dec 31 42.1°F 39.5°F 44.1°F

Sea water temperature in Baltimore by month

In Baltimore, the months June through September offer comfortable swimming conditions, which amounts to 101 swimming days. The warmest water in Baltimore was recorded on July 20, 2019, reaching a 86.3°F. While the coldest temperature occurred on January 27, 2014, dipping to 32.0°F. The average readings by season are 40.0°F in Winter, 53.1°F in Spring, 78.0°F in Summer, and 65.5°F in Autumn. December's average temperature is a slight drop from November's average of 54.6°F. In January, the temperature is expected to decrease further, potentially averaging around 38.2°F.