Hatteras — Water Temperature in April

Water Temperature Range

13°C

minimum

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

April: Climate and Swimming Opportunities

Average Night Air Temperature

11°C

Average Day Air Temperature

21°C

Precipitation Amount per Month

93 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

9 hrs

Average Wind Speed

19 km/h

Average Humidity

70%

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.