Emerald Isle — Water Temperature in March

Water Temperature Range

11°C

minimum

16°C

average

20°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

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

March: Climate and Swimming Opportunities

Average Night Air Temperature

6°C

Average Day Air Temperature

17°C

Precipitation Amount per Month

101 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

8 hrs

Average Wind Speed

18 km/h

Average Humidity

69%

At such water and air temperatures, swimming often feels chilly and is best for short swims. Getting out can feel cold, so it helps to have dry clothes ready right away.