World Resorts Ireland Killarney Weather

Killarney Sea Temperature in October

Average sea water temperature in October:
+56.0°F
Minimum sea water temperature in October: 59.5°F
Maximum sea water temperature in October: 52.3°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 56.1°F. The highest and lowest sea temperatures during the month were 58.1°F and 53.6°F.

Monthly sea water temperature in Killarney, °F

Which Ireland resorts have warmest sea in October?

Place name October 2025 October 2024
Dublin 56.8°F 56.1°F
Cork 56.7°F 57.0°F
Limerick 56.1°F 55.9°F
Killarney 56.1°F 55.6°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
20:04
Killarney
+43°F
NE 20 mph
Feels like: +36°F
Precip.: 100%
Places in Ireland:
Name
°F
Dublin
+41°F
Killarney
+43°F
Cork
+43°F
Limerick
+43°F
24 Hours Forecast
Killarney
Local time: 20:04
December 18, thursday
2100
43°F
NE
20 mph
December 19, friday
0000
45°F
E
19 mph
0300
43°F
E
17 mph
0600
43°F
NE
12 mph
0900
41°F
NE
12 mph
1200
45°F
NE
10 mph
1500
46°F
NE
9 mph
1800
45°F
N
7 mph
Units of measurement: °C / °F