Parris Island — Water Temperature in April

Water Temperature Range

15°C

minimum

19°C

average

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

April: Climate and Swimming Opportunities

Average Night Air Temperature

12°C

Average Day Air Temperature

23°C

Precipitation Amount per Month

75 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

9 hrs

Average Wind Speed

14 km/h

Average Humidity

66%

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.