Measurements:
°C
°F
Limerick
52°F
SE 9 mph
Feels like: 48°F
Precip: 12%
World Resorts Ireland Limerick Weather

Limerick Sea Water Temperature

Current Sea Water Temperature:
+63.6°F
Maximum Sea Water Temperature in September: 66.4°F
Minimum Sea Water Temperature in September: 56.8°F
Average water temperature in September: 60.4°F

Sea Water Temperature for the Last 10 Days:

September 08 63.6°F September 03 64.2°F
September 07 63.0°F September 02 65.0°F
September 06 63.2°F September 01 65.6°F
September 05 63.2°F August 31 66.2°F
September 04 63.8°F August 30 66.2°F

When is the Warmest Sea for Limerick?

According to our data for the last three years for Limerick 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 Limerick was 66.6°F. The maximum and minimum values were 65.2°F and 67.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Limerick was 66.8°F. The maximum and minimum values were 63.0°F and 69.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Limerick was 60.8°F. The maximum and minimum values were 58.8°F and 63.8°F respectively.

Best Time to Visit Limerick
The most sunny months:
March 5 days
April 5 days
January 4 days
The most warm months:
July 67.7 °F
August 66.8 °F
June 64.6 °F
Warmest sea temperature:
August 62.9 °F
July 61.7 °F
September 60.4 °F
The most cold months:
January 44.6 °F
December 46.3 °F
February 47.1 °F
The most rainy months:
December 7 days
January 6 days
February 6 days
The most windy months:
February 12 mph
December 11 mph
January 10 mph

Limerick on the Weather Map

Ireland Resorts:
NAME
Cork +52
Dublin +52
Killarney +50
Limerick +52
24 Hours Weather Forecast
Limerick
Local time: 21:29
09 sep, wednesday
0000 46°F
SE
4 mph
0300 46°F
SE
2 mph
0600 50°F
NE
1 mph
0900 54°F
E
4 mph
1200 60°F
NE
6 mph
1500 60°F
NE
7 mph
1800 58°F
NE
7 mph
2100 54°F
NE
4 mph