#1 in March
9.6°C
NOAA Season Curve (May–Oct):
M
11.8°
J
14.0°
J
15.5°
A
16.0°
S
15.3°
O
13.8°
N
11.9°
NOAA SATELLITE DATA (1991–2020 30-YEAR CLIMATOLOGY)
IEIreland Sea Temperature in March
Historical 30-year sea surface temperatures across 11 coastlines in Ireland for March. Derived from NOAA 0.25° blended satellite and in-situ marine observations.
Climatology Notice: Temperatures represent the 30-year long-term historical average (1991–2020 normal), not a live single-day sensor forecast.
8.9°C
Bracing / Crispaverage across 11 surveyed coastlines in Ireland, March
- Ranges 8.2°C at Strandhill Beach to 9.6°C at Barleycove Beach.
- No coastline in Ireland reaches 21°C in any month — this is wetsuit or cold-water swimming.
- 7.0°C cooler than Ireland’s August peak of 15.9°C (see August).
Select Month
View 12-Month Annual Overview →Ireland Beaches in March
Individual coordinate lookups from NOAA 0.25° marine grid.
Showing 11 coastlines
Explore Sea Temperatures by Country
Spain(23.6°C)Italy(25.9°C)Turkey(27.3°C)France(22.4°C)Greece(25.4°C)Cyprus(27.7°C)Croatia(25.2°C)Albania(25.5°C)Montenegro(25.7°C)Malta(26.7°C)Bulgaria(25.1°C)Romania(24.7°C)Slovenia(25.4°C)Portugal(20.7°C)Poland(19°C)Sweden(18.3°C)Netherlands(18.5°C)Bosnia & Herzegovina(25.2°C)Monaco(24.6°C)Latvia(18.5°C)Estonia(18°C)Lithuania(18.8°C)Germany(18.6°C)Denmark(18°C)Norway(15.3°C)Belgium(18.7°C)Faroe Islands(10.9°C)United Kingdom(16.1°C)Ireland(15.9°C)Iceland(10.9°C)Finland(16.6°C)
