Gulfport — Water Temperature in January

Water Temperature Range

10°C

minimum

15°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

11°C

Average Day Air Temperature

22°C

Precipitation Amount per Month

60 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

6 hrs

Average Wind Speed

14 km/h

Average Humidity

75%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.