Aransas Pass — Water Temperature in April

Water Temperature Range

19°C

minimum

23°C

average

26°C

maximum

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Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2026	2025	2024	2023
APR 1	-	23°C	21°C	20°C
APR 2	23°C	21°C	22°C	20°C
APR 3	23°C	21°C	22°C	20°C
APR 4	24°C	21°C	22°C	20°C
APR 5	24°C	21°C	22°C	21°C
APR 6	24°C	22°C	23°C	22°C
APR 7	24°C	22°C	23°C	23°C
APR 8	24°C	22°C	23°C	23°C
APR 9	23°C	23°C	22°C	24°C
APR 10	23°C	22°C	22°C	24°C
APR 11	23°C	23°C	22°C	24°C
APR 12	23°C	23°C	21°C	24°C
APR 13	24°C	23°C	22°C	24°C
APR 14	24°C	23°C	22°C	24°C
APR 15	24°C	23°C	22°C	24°C
APR 16	24°C	23°C	22°C	25°C
APR 17	24°C	23°C	23°C	24°C
APR 18	24°C	23°C	23°C	22°C
APR 19	-	23°C	23°C	21°C
APR 20	-	23°C	23°C	21°C
APR 21	-	23°C	23°C	22°C
APR 22	-	23°C	23°C	22°C
APR 23	-	23°C	23°C	21°C
APR 24	-	24°C	23°C	22°C
APR 25	-	24°C	23°C	23°C
APR 26	-	25°C	24°C	24°C
APR 27	-	25°C	25°C	24°C
APR 28	-	25°C	24°C	24°C
APR 29	-	25°C	25°C	25°C
APR 30	-	25°C	25°C	25°C

April: Climate and Swimming Opportunities

Average Night Air Temperature

18°C

Average Day Air Temperature

26°C

Precipitation Amount per Month

41 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

7 hrs

Average Wind Speed

22 km/h

Average Humidity

76%

At such water and air temperatures, swimming is pleasant and refreshing rather than hot. After you get in, it feels comfortable, and you’ll warm up quickly when you come out.