Measurements:
°C
°F
Cork
70°F
SE 9 mph
Feels like: 70°F
Precip: 9%
World Resorts Ireland Cork Weather

Cork Sea Water Temperature

Current Sea Water Temperature:
+67.0°F
Maximum Sea Water Temperature in July: 69.0°F
Minimum Sea Water Temperature in July: 55.8°F
Average water temperature in July: 61.7°F

Sea Water Temperature for the Last 10 Days:

July 30 67.0°F July 25 69.0°F
July 29 66.8°F July 24 67.8°F
July 28 67.6°F July 23 68.0°F
July 27 68.0°F July 22 67.4°F
July 26 68.6°F July 21 66.8°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 July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Cork was 65.1°F. The maximum and minimum values were 61.0°F and 69.0°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Cork was 63.9°F. The maximum and minimum values were 62.0°F and 65.2°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 66.8 °F
June 64.0 °F
Warmest sea temperature:
July 61.7 °F
August 61.6 °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 +70
Dublin +66
Killarney +64
Limerick +68
24 Hours Weather Forecast
Cork
Local time: 12:23
30 jul, thursday
1500 72°F
SE
9 mph
1800 70°F
SE
13 mph
2100 58°F
SE
9 mph
31 jul, friday
0000 46°F
SE
6 mph
0300 46°F
E
4 mph
0600 44°F
E
4 mph
0900 60°F
E
6 mph
1200 68°F
E
10 mph