World Resorts Ireland Killarney Weather

Killarney Sea Temperature in April

Average sea water temperature in April:
+50.2°F
Minimum sea water temperature in April: 54.7°F
Maximum sea water temperature in April: 46.0°F

Daily sea water temperature in April, °F

Show year:
2025
2024
2023
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44
47
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53
56
59

The average sea water temperature in April of 2025 was 52.6°F. The highest and lowest sea temperatures during the month were 54.7°F and 50.4°F.

Monthly sea water temperature in Killarney, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
70
80
50.1
52.7
56
59
61
60.5
57.6
53.2
50.2
47.7
47.2
48.2

Which Ireland resorts have warmest sea in April?

Place name April 2025 April 2024
Killarney 52.6°F 50.8°F
Limerick 51.8°F 50.2°F
Cork 51.0°F 50.3°F
Dublin 49.4°F 49.0°F

Best time for vacation in Killarney

Sunniest months:
April 5 days
March 4 days
January 3 days
Warmest months:
July 64.5 °F
August 63.8 °F
June 62.0 °F
Warmest sea temp:
August 61.0 °F
July 60.5 °F
September 59.0 °F
Coldest months:
January 45.5 °F
December 47.0 °F
February 47.1 °F
Rainiest months:
December 10 days
November 9 days
January 9 days
Windiest months:
February 11.8 mph
December 11.3 mph
January 10.3 mph

Killarney on a weather map

Leaflet | Tiles © Esri
Places in Ireland:
Name
°F
Dublin
+50°F
Killarney
+52°F
Cork
+50°F
Limerick
+52°F
24 Hours Forecast
Killarney
Local time: 22:25
April 28, monday
0000
52°F
N
16 mph
0300
50°F
N
14 mph
0600
52°F
NW
11 mph
0900
55°F
NW
11 mph
1200
57°F
NW
12 mph
1500
59°F
NW
13 mph
1800
55°F
NW
9 mph
2100
52°F
NW
7 mph
Units of measurement: °C / °F