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 50.9°F. The highest and lowest sea temperatures during the month were 52.2°F and 50.2°F.

Monthly sea water temperature in Cork, °F

Which Ireland resorts have warmest sea in December?

Place name December 2025 December 2024
Cork 50.9°F 50.9°F
Killarney 50.4°F 50.8°F
Dublin 49.6°F 48.9°F
Limerick 47.0°F 48.8°F

Best time for vacation in Cork

Sunniest months:
August 6 days
April 6 days
March 5 days
Warmest months:
July 65.7 °F
August 65.1 °F
June 62.5 °F
Warmest sea temp:
August 60.5 °F
July 60.4 °F
September 59.6 °F
Coldest months:
January 46.7 °F
February 48.0 °F
December 48.4 °F
Rainiest months:
December 7 days
February 6 days
October 6 days
Windiest months:
February 13.9 mph
December 13.9 mph
January 12.4 mph

Cork on a weather map

Current weather
01:43
Cork
+37°F
SW 11 mph
Feels like: +30°F
Precip.: 0%
Places in Ireland:
Name
°F
Dublin
+41°F
Killarney
+30°F
Cork
+37°F
Limerick
+32°F
24 Hours Forecast
Cork
Local time: 01:43
December 26, friday
0300
37°F
SW
11 mph
0600
37°F
SW
9 mph
0900
37°F
SW
9 mph
1200
39°F
SW
9 mph
1500
39°F
SW
9 mph
1800
36°F
SW
7 mph
2100
36°F
SW
6 mph
December 27, saturday
0000
32°F
S
7 mph
Units of measurement: °C / °F