Oak Island — Water Temperature in March

Water Temperature Range

11°C

minimum

15°C

average

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

March: Climate and Swimming Opportunities

Average Night Air Temperature

8°C

Average Day Air Temperature

17°C

Precipitation Amount per Month

100 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

8 hrs

Average Wind Speed

18 km/h

Average Humidity

69%

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.