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Houston in December

Find out everything about the water temperature in Houston 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:

47.0 °F

Average:

49.0 °F

Maximum:

51.5 °F

Sea water temperature in Houston in December

In the city of Houston, the month of December is too cold for swimming. The minimum recorded temperature during this month was 47.0°F on December 28, 2018, with an average temperature being 49.0°F and a maximum temperature reaching 51.5°F on December 1, 2014.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In December, the sea temperature remains relatively stable. The average temperature stays close to 49.0°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Dec 1 50.6°F 50.3°F 50.6°F
Dec 2 50.5°F 50.2°F 50.5°F
Dec 3 50.3°F 50.1°F 50.4°F
Dec 4 50.1°F 49.9°F 50.3°F
Dec 5 50.0°F 49.8°F 50.2°F
Dec 6 49.9°F 49.6°F 50.2°F
Dec 7 49.9°F 49.6°F 50.1°F
Dec 8 49.8°F 49.5°F 50.0°F
Dec 9 49.6°F 49.3°F 49.8°F
Dec 10 49.5°F 49.2°F 49.6°F
Dec 11 49.4°F 49.1°F 49.5°F
Dec 12 49.2°F 49.0°F 49.4°F
Dec 13 49.1°F 48.9°F 49.3°F
Dec 14 49.0°F 48.8°F 49.2°F
Dec 15 49.0°F 48.7°F 49.1°F
Dec 16 48.9°F 48.6°F 49.0°F
Dec 17 48.8°F 48.6°F 48.9°F
Dec 18 48.7°F 48.6°F 48.8°F
Dec 19 48.6°F 48.4°F 48.7°F
Dec 20 48.6°F 48.4°F 48.7°F
Dec 21 48.5°F 48.3°F 48.6°F
Dec 22 48.5°F 48.3°F 48.5°F
Dec 23 48.3°F 47.8°F 48.4°F
Dec 24 48.2°F 47.8°F 48.4°F
Dec 25 48.1°F 47.7°F 47.6°F
Dec 26 48.1°F 47.7°F 47.6°F
Dec 27 48.0°F 47.6°F 47.5°F
Dec 28 47.9°F 47.5°F 47.5°F
Dec 29 47.8°F 47.4°F 47.4°F
Dec 30 47.7°F 47.3°F 47.3°F
Dec 31 47.6°F 47.2°F 47.2°F

Sea water temperature in Houston by month

In an average year, Houston offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Houston was recorded on July 22, 2021, reaching a 62.3°F. While the coldest temperature occurred on March 14, 2015, dipping to 42.4°F. The average readings by season are 46.5°F in Winter, 47.0°F in Spring, 57.0°F in Summer, and 54.2°F in Autumn. December's average temperature is a slight drop from November's average of 51.7°F. In January, the temperature is expected to decrease further, potentially averaging around 46.3°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Dumbarton 47.7°F 5mi
Alexandria 47.7°F 9mi
Ayr 48.4°F 28mi
Falkirk 45.4°F 31mi
Fort William 48.8°F 69mi

* current water temperature in this city

** straight line distance from Houston