South Padre Island — Water Temperature in January

Water Temperature Range

16°C

minimum

20°C

average

24°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
JAN 1	22°C	22°C	23°C	21°C
JAN 2	20°C	20°C	21°C	19°C
JAN 3	21°C	21°C	21°C	20°C
JAN 4	21°C	21°C	21°C	20°C
JAN 5	21°C	21°C	21°C	20°C
JAN 6	20°C	20°C	20°C	20°C
JAN 7	21°C	21°C	21°C	21°C
JAN 8	21°C	21°C	21°C	21°C
JAN 9	20°C	20°C	21°C	18°C
JAN 10	21°C	21°C	21°C	21°C
JAN 11	20°C	20°C	20°C	20°C
JAN 12	21°C	21°C	20°C	21°C
JAN 13	21°C	21°C	21°C	20°C
JAN 14	21°C	21°C	20°C	21°C
JAN 15	21°C	21°C	20°C	21°C
JAN 16	20°C	20°C	20°C	20°C
JAN 17	20°C	20°C	20°C	20°C
JAN 18	20°C	20°C	19°C	20°C
JAN 19	20°C	20°C	19°C	20°C
JAN 20	21°C	21°C	20°C	21°C
JAN 21	20°C	20°C	20°C	20°C
JAN 22	21°C	21°C	20°C	21°C
JAN 23	21°C	21°C	20°C	21°C
JAN 24	21°C	21°C	20°C	21°C
JAN 25	20°C	20°C	20°C	20°C
JAN 26	20°C	20°C	20°C	19°C
JAN 27	21°C	21°C	22°C	19°C
JAN 28	20°C	20°C	20°C	19°C
JAN 29	20°C	20°C	19°C	20°C
JAN 30	19°C	19°C	19°C	19°C
JAN 31	20°C	20°C	19°C	20°C

January: Climate and Swimming Opportunities

Average Night Air Temperature

11°C

Average Day Air Temperature

18°C

Precipitation Amount per Month

45 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

4 hrs

Average Wind Speed

20 km/h

Average Humidity

78%

With such a ratio between the average monthly temperatures of water and air, swimming can feel slightly cool at first but still quite doable. It’s more comfortable if the sun is out, and you may want a towel or hoodie right after.