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Houston in April

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

43.8 °F

Average:

46.5 °F

Maximum:

49.2 °F

Sea water temperature in Houston in April

In the city of Houston, the month of April is too cold for swimming. The minimum recorded temperature during this month was 43.8°F on April 2, 2015, with an average temperature being 46.5°F and a maximum temperature reaching 49.2°F on April 23, 2023.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In April, the sea temperature remains relatively stable. The average temperature stays close to 46.5°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Apr 1 45.2°F 45.9°F 45.8°F
Apr 2 45.3°F 45.9°F 45.8°F
Apr 3 45.4°F 45.9°F 46.1°F
Apr 4 45.5°F 45.9°F 45.9°F
Apr 5 45.5°F 45.8°F 45.9°F
Apr 6 45.6°F 45.8°F 45.9°F
Apr 7 45.6°F 45.8°F 46.4°F
Apr 8 45.7°F 46.7°F 46.4°F
Apr 9 45.6°F 46.4°F 46.6°F
Apr 10 45.7°F 46.3°F 46.5°F
Apr 11 45.7°F 46.3°F 46.6°F
Apr 12 45.5°F 46.1°F 46.7°F
Apr 13 45.5°F 46.4°F 46.5°F
Apr 14 45.7°F 46.8°F 46.7°F
Apr 15 46.0°F 46.9°F 46.6°F
Apr 16 46.2°F 47.1°F 46.7°F
Apr 17 46.5°F 47.3°F 46.9°F
Apr 18 46.8°F 47.4°F 47.0°F
Apr 19 47.1°F 47.6°F 48.2°F
Apr 20 47.3°F 47.7°F 48.1°F
Apr 21 47.4°F 47.6°F 48.3°F
Apr 22 47.6°F 47.6°F 48.9°F
Apr 23 47.6°F 47.9°F 49.2°F
Apr 24 47.7°F 48.2°F 49.0°F
Apr 25 47.7°F 48.2°F 48.8°F
Apr 26 47.8°F 48.3°F 48.7°F
Apr 27 47.8°F 48.3°F 48.7°F
Apr 28 47.9°F 48.4°F 48.7°F
Apr 29 48.0°F 48.6°F 48.7°F
Apr 30 48.1°F 48.6°F 48.7°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. The average temperature in April is slightly warmer than March's average of 44.3°F. And in May, the temperature is expected to rise further, potentially reaching an average of 50.3°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Dumbarton 48.3°F 5mi
Alexandria 48.4°F 9mi
Ayr 49.6°F 28mi
Falkirk 45.9°F 31mi
Fort William 48.8°F 69mi

* current water temperature in this city

** straight line distance from Houston