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Water temperature in Houston (TX) in April

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Is it warm enough to swim in Houston in April? Average water temperature in Houston in April is 71.2°F and therefore suitable for comfortable swimming. The warmest sea in Houston in April is 78.8°F, and the coldest is 64°F. Average high air temperature in Houston in April is 80°F, and average low temperature is 59°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Houston

Changes water temperature in Houston in April 2025, 2024

To get an accurate forecast for the water temperature in Houston for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Houston, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of April.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
April 173.9°F67.1°F64°F73.9°F
April 273.9°F70.9°F64°F73.9°F
April 373.9°F69.6°F64.6°F73.9°F
April 476.5°F69.4°F64.9°F76.5°F
April 575.9°F69.8°F65.5°F75.9°F
April 675°F70.9°F65.5°F75°F
April 774.1°F71.1°F65.3°F74.1°F
April 872.9°F71.1°F65.1°F73.2°F
April 969.4°F70.9°F65.5°F75.4°F
April 1069.3°F72.3°F65.7°F75.7°F
April 1171.2°F70.9°F66°F74.5°F
April 1272.3°F70.9°F66°F75.2°F
April 1372.9°F72°F66.6°F74.1°F
April 1473.2°F71.8°F67.8°F74.5°F
April 1573.8°F72.1°F67.1°F74.7°F
Day 2025 2024 Min Max
April 1674.3°F72.3°F66.7°F74.7°F
April 1773.4°F72.9°F67.1°F75°F
April 1873.9°F73°F67.6°F75.2°F
April 1973.9°F75.2°F67.8°F75.6°F
April 2074.7°F75.4°F68.2°F75.4°F
April 2175.6°F73.6°F69.1°F75.9°F
April 2274.8°F71.4°F69.3°F76.1°F
April 2375.7°F71.1°F69.3°F75.7°F
April 2476.5°F72.7°F69.4°F76.5°F
April 2575.9°F72.3°F68.9°F77.2°F
April 2677.7°F72.7°F69.1°F77.7°F
April 2778.6°F73°F69.3°F78.6°F
April 2878.8°F74.7°F70.2°F78.8°F
April 2978.4°F75.9°F70.2°F78.4°F
April 3078.3°F74.8°F70.5°F78.3°F
Houston water temp chart in April

Average water temperature in Houston in April over a decade

20162017201820192020
72°F73.6°F70.5°F70.2°F73°F
20212022202320242025
71.1°F72.5°F71.1°F72°F74.7°F

Houston sea state in April

Chart comparing the height of waves in Houston in April over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Houston in April

Weather and climate in Houston in April

This data display average monthly climate indicators in Houston in April based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature80°F
  • Average LOW temperature59°F
  • Average humidity
    73
  • Average rainfall days7 days
  • Average rainfall84mm/3.3''
  • Average daylight13h
  • Average sunshine7h
  • Average UV index10

Houston water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in April?

Want to know where the water temperature in April is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in April. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
San Leon71.2°F64°F78.8°F
Kemah71.1°F64°F78.1°F
Shoreacres71.1°F64°F78.1°F
Galveston Bay71.2°F63.7°F78.4°F
Clear Lake Shores71.1°F64°F77.9°F
El Lago71.1°F64°F77.9°F
Seabrook71.1°F64°F77.9°F
Anahuac71.1°F64°F78.3°F
Crystal Beach71.2°F63.5°F78.4°F
Sunny Beach71.1°F63.5°F78.4°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Houston is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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