World Resorts Ireland Dublin Weather

Dublin Sea Temperature in May

Average sea water temperature in May:
+51.6°F
Minimum sea water temperature in May: 56.8°F
Maximum sea water temperature in May: 47.1°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 54.8°F. The highest and lowest sea temperatures during the month were 56.8°F and 50.9°F.

Monthly sea water temperature in Dublin, °F

Which Ireland resorts have warmest sea in May?

Place name May 2025 May 2024
Limerick 58.6°F 55.2°F
Killarney 58.0°F 54.8°F
Cork 57.0°F 54.6°F
Dublin 54.8°F 53.1°F

Best time for vacation in Dublin

Sunniest months:
April 7 days
January 6 days
March 6 days
Warmest months:
July 64.8 °F
August 64.3 °F
June 61.6 °F
Warmest sea temp:
August 59.7 °F
September 58.9 °F
July 58.8 °F
Coldest months:
January 44.9 °F
February 46.5 °F
December 46.6 °F
Rainiest months:
June 6 days
December 6 days
November 5 days
Windiest months:
December 13.9 mph
February 13.8 mph
January 12.9 mph

Dublin on a weather map

Current weather
14:13
Dublin
+41°F
NE 6 mph
Feels like: +37°F
Precip.: 0%
Places in Ireland:
Name
°F
Dublin
+41°F
Killarney
+43°F
Cork
+43°F
Limerick
+43°F
24 Hours Forecast
Dublin
Local time: 14:13
December 16, tuesday
1500
41°F
NE
6 mph
1800
36°F
NE
6 mph
2100
36°F
NE
6 mph
December 17, wednesday
0000
37°F
N
7 mph
0300
43°F
N
12 mph
0600
46°F
N
17 mph
0900
48°F
N
18 mph
1200
50°F
N
16 mph
Units of measurement: °C / °F