Measurements:
°C
°F
Limerick
40°F
NE 6 mph
Feels like: 34°F
Precip: 100%
World Resorts Ireland Limerick Weather

Limerick Sea Water Temperature

Current Sea Water Temperature:
+55.2°F
Maximum Sea Water Temperature in May: 62.6°F
Minimum Sea Water Temperature in May: 49.0°F
Average water temperature in May: 53.9°F

Sea Water Temperature for the Last 10 Days:

May 16 55.2°F May 11 55.4°F
May 15 54.6°F May 10 54.4°F
May 14 55.0°F May 09 54.2°F
May 13 55.6°F May 08 54.6°F
May 12 55.4°F May 07 54.6°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Limerick was 64.8°F. The maximum and minimum values were 63.2°F and 67.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Limerick was 64.2°F. The maximum and minimum values were 61.8°F and 66.4°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 67.3 °F
August 66.7 °F
June 64.6 °F
Warmest sea temperature:
August 62.7 °F
July 61.3 °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:
July 7 days
December 7 days
January 6 days
The most windy months:
February 12 mph
December 11 mph
January 10 mph

Limerick on the Weather Map

Ireland Resorts:
NAME
Cork +40
Dublin +42
Killarney +40
Limerick +40
24 Hours Weather Forecast
Limerick
Local time: 00:22
17 may, sunday
0300 40°F
NE
6 mph
0600 38°F
NE
6 mph
0900 46°F
NE
10 mph
1200 46°F
NE
12 mph
1500 48°F
E
16 mph
1800 46°F
NE
9 mph
2100 42°F
NE
6 mph
18 may, monday
0000 42°F
NE
4 mph