World Resorts Ireland Killarney Weather

Killarney Sea Temperature in May

Average sea water temperature in May:
+53.4°F
Minimum sea water temperature in May: 60.8°F
Maximum sea water temperature in May: 49.1°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 58.0°F. The highest and lowest sea temperatures during the month were 60.8°F and 53.2°F.

Monthly sea water temperature in Killarney, °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 Killarney

Sunniest months:
April 5 days
May 4 days
March 4 days
Warmest months:
July 64.5 °F
August 64.0 °F
June 62.0 °F
Warmest sea temp:
August 61.2 °F
July 60.7 °F
September 59.0 °F
Coldest months:
January 45.5 °F
December 47.0 °F
February 47.1 °F
Rainiest months:
December 10 days
January 9 days
February 8 days
Windiest months:
February 11.8 mph
December 11.3 mph
January 10.3 mph

Killarney on a weather map

Current weather
14:08
Killarney
+43°F
N 4 mph
Feels like: +41°F
Precip.: 0%
Places in Ireland:
Name
°F
Dublin
+41°F
Killarney
+43°F
Cork
+43°F
Limerick
+43°F
24 Hours Forecast
Killarney
Local time: 14:08
December 16, tuesday
1500
43°F
N
4 mph
1800
36°F
N
6 mph
2100
36°F
NW
6 mph
December 17, wednesday
0000
43°F
N
12 mph
0300
45°F
N
14 mph
0600
46°F
N
12 mph
0900
48°F
N
7 mph
1200
50°F
NE
3 mph
Units of measurement: °C / °F