Port Saint Lucie — Water Temperature in January

Water Temperature Range

20°C

minimum

22°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

11°C

Average Day Air Temperature

23°C

Precipitation Amount per Month

60 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

7 hrs

Average Wind Speed

15 km/h

Average Humidity

73%

With such a ratio between the average monthly temperatures of water and air, swimming feels warm and comfortable even if the day isn’t hot. The water can feel warmer than the air, so getting out may feel a bit cool.