Measurements:
°C
°F
Cork
50°F
W 19 mph
Feels like: 42°F
Precip: 0%
World Resorts Ireland Cork Weather

Cork Sea Water Temperature

Current Sea Water Temperature:
+52.2°F
Maximum Sea Water Temperature in April: 53.2°F
Minimum Sea Water Temperature in April: 45.2°F
Average water temperature in April: 49.7°F

Sea Water Temperature for the Last 10 Days:

April 21 52.2°F April 16 50.6°F
April 20 51.2°F April 15 50.4°F
April 19 51.0°F April 14 50.8°F
April 18 51.2°F April 13 50.4°F
April 17 50.2°F April 12 50.2°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: 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 July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Cork was 61.8°F. The maximum and minimum values were 59.4°F and 63.2°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
April 6 days
March 5 days
The most warm months:
July 67.4 °F
August 66.8 °F
June 63.9 °F
Warmest sea temperature:
August 61.6 °F
July 61.5 °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 +50
Dublin +48
Killarney +52
Limerick +52
24 Hours Weather Forecast
Cork
Local time: 11:44
21 apr, tuesday
1200 50°F
W
19 mph
1500 50°F
W
20 mph
1800 50°F
W
19 mph
2100 50°F
W
17 mph
22 apr, wednesday
0000 48°F
W
21 mph
0300 46°F
W
19 mph
0600 44°F
W
19 mph
0900 46°F
W
21 mph