Measurements:
°C
°F
Cork
56°F
NW 11 mph
Feels like: 52°F
Precip: 29%
World Resorts Ireland Cork Weather

Cork Sea Water Temperature

Current Sea Water Temperature:
+61.6°F
Maximum Sea Water Temperature in September: 65.4°F
Minimum Sea Water Temperature in September: 56.2°F
Average water temperature in September: 60.8°F

Sea Water Temperature for the Last 10 Days:

September 28 61.6°F September 23 62.2°F
September 27 62.0°F September 22 61.4°F
September 26 61.8°F September 21 61.4°F
September 25 63.2°F September 20 62.2°F
September 24 62.6°F September 19 62.4°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Cork was 62.8°F. The maximum and minimum values were 61.4°F and 65.4°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 60.8 °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
F°
Cork +56
Dublin +50
Killarney +54
Limerick +52
24 Hours Weather Forecast
Cork
Local time: 00:50
29 sep, tuesday
0300 54°F
NW
12 mph
0600 56°F
NW
16 mph
0900 60°F
NW
19 mph
1200 60°F
NW
20 mph
1500 62°F
NW
23 mph
1800 62°F
NW
26 mph
2100 58°F
N
16 mph
30 sep, wednesday
0000 56°F
N
14 mph