Kiawah Island — Water Temperature in March

Water Temperature Range

13°C

minimum

16°C

average

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

March: Climate and Swimming Opportunities

Average Night Air Temperature

9°C

Average Day Air Temperature

20°C

Precipitation Amount per Month

95 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

8 hrs

Average Wind Speed

16 km/h

Average Humidity

68%

At such water and air temperatures, swimming feels cool and invigorating. It’s comfortable for a quick dip, and you’ll feel fine as long as you warm up soon after.