Average sea water temperature in October:
+56.5°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:
2026
2025
2024
The average sea water temperature in October of 2026 was 57.8°F. The highest and lowest sea temperatures during the month were 60.1°F and 54.5°F.
Monthly sea water temperature in Dublin, °F
Which Ireland resorts have warmest sea in October?
| Place name | October 2026 | October 2025 |
|---|---|---|
| Cork | 58.2°F | 56.7°F |
| Dublin | 57.8°F | 56.8°F |
| Limerick | 57.5°F | 56.1°F |
| Killarney | 57.5°F | 56.1°F |
Best time for vacation in Dublin
Dublin on a weather map
24 Hours Forecast
Dublin
Local time: 05:59
October 30, friday
0600

52°F
N
12 mph
12 mph
0900

55°F
N
14 mph
14 mph
1200

59°F
N
11 mph
11 mph
1500

57°F
N
9 mph
9 mph
1800

52°F
N
6 mph
6 mph
2100

50°F
N
6 mph
6 mph
October 31, saturday
0000

50°F
N
6 mph
6 mph
0300

48°F
N
4 mph
4 mph

























