Measurements:
°C
°F
Cork
52°F
SE 9 mph
Feels like: 48°F
Precip: 10%
World Resorts Ireland Cork Weather

Cork Sea Water Temperature

Current Sea Water Temperature:
+63.2°F
Maximum Sea Water Temperature in September: 65.4°F
Minimum Sea Water Temperature in September: 56.2°F
Average water temperature in September: 60.7°F

Sea Water Temperature for the Last 10 Days:

September 08 63.2°F September 03 65.2°F
September 07 63.8°F September 02 65.4°F
September 06 64.0°F September 01 65.4°F
September 05 64.6°F August 31 65.6°F
September 04 65.2°F August 30 65.8°F

When is the Warmest Sea for Cork?

According to our data for the last three years for Cork the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Cork was 65.7°F. The maximum and minimum values were 64.0°F and 67.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Cork was 65.2°F. The maximum and minimum values were 61.0°F and 69.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cork was 61.3°F. The maximum and minimum values were 59.2°F and 64.2°F respectively.

Best Time to Visit Cork
The most sunny months:
August 6 days
July 6 days
April 6 days
The most warm months:
July 67.9 °F
August 66.9 °F
June 64.0 °F
Warmest sea temperature:
August 61.9 °F
July 61.7 °F
September 60.7 °F
The most cold months:
January 46.1 °F
February 47.8 °F
December 48.0 °F
The most rainy months:
December 7 days
February 6 days
October 6 days
The most windy months:
February 14 mph
December 14 mph
January 12 mph

Cork on the Weather Map

Ireland Resorts:
NAME
Cork +52
Dublin +52
Killarney +50
Limerick +52
24 Hours Weather Forecast
Cork
Local time: 21:33
09 sep, wednesday
0000 52°F
SE
7 mph
0300 52°F
SE
6 mph
0600 48°F
E
4 mph
0900 54°F
E
4 mph
1200 62°F
NE
5 mph
1500 62°F
NE
8 mph
1800 60°F
NE
7 mph
2100 54°F
NE
5 mph