World Resorts Ireland Cork Weather

Cork Sea Temperature in December

Average sea water temperature in December:
+50.4°F
Minimum sea water temperature in December: 53.1°F
Maximum sea water temperature in December: 48.0°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 50.7°F. The highest and lowest sea temperatures during the month were 52.2°F and 49.6°F.

Monthly sea water temperature in Cork, °F

Which Ireland resorts have warmest sea in December?

Place name December 2025 December 2024
Cork 50.7°F 50.9°F
Killarney 50.1°F 50.8°F
Dublin 49.5°F 48.9°F
Limerick 46.7°F 48.8°F

Best time for vacation in Cork

Sunniest months:
August 6 days
July 6 days
April 6 days
Warmest months:
July 66.1 °F
August 65.1 °F
June 62.6 °F
Warmest sea temp:
August 60.7 °F
July 60.6 °F
September 59.6 °F
Coldest months:
January 46.5 °F
February 48.0 °F
December 48.2 °F
Rainiest months:
December 7 days
February 6 days
October 6 days
Windiest months:
February 13.7 mph
December 13.7 mph
January 12.2 mph

Cork on a weather map

Current weather
13:40
Cork
+61°F
S 12 mph
Feels like: +61°F
Precip.: 12%
Places in Ireland:
Name
°F
Dublin
+57°F
Killarney
+61°F
Cork
+61°F
Limerick
+61°F
24 Hours Forecast
Cork
Local time: 13:40
August 21, friday
1500
61°F
S
12 mph
1800
59°F
S
9 mph
2100
54°F
SE
7 mph
August 22, saturday
0000
52°F
S
7 mph
0300
46°F
SE
6 mph
0600
45°F
SE
5 mph
0900
52°F
S
6 mph
1200
63°F
S
6 mph
Units of measurement: °C / °F