World Resorts Ireland Dublin Weather

Dublin Sea Temperature in October

Average sea water temperature in October:
+56.4°F
Minimum sea water temperature in October: 60.1°F
Maximum sea water temperature in October: 52.5°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 56.8°F. The highest and lowest sea temperatures during the month were 58.5°F and 54.3°F.

Monthly sea water temperature in Dublin, °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 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
20:15
Dublin
+45°F
N 12 mph
Feels like: +39°F
Precip.: 0%
Places in Ireland:
Name
°F
Dublin
+45°F
Killarney
+46°F
Cork
+46°F
Limerick
+46°F
24 Hours Forecast
Dublin
Local time: 20:15
December 19, friday
2100
45°F
N
12 mph
December 20, saturday
0000
45°F
N
12 mph
0300
48°F
N
15 mph
0600
48°F
N
19 mph
0900
46°F
N
22 mph
1200
48°F
N
14 mph
1500
45°F
N
5 mph
1800
43°F
N
4 mph
Units of measurement: °C / °F