World Resorts Ireland Dublin Weather

Dublin sea water temperature

Current sea water temperature:
+61.2°F
Minimum sea water temperature in September: 62.4°F
Maximum sea water temperature in September: 55.9°F
Average sea water temperature in September: 59.0°F

Sea water temperature for the last 10 days:

September 18 61.2°F September 13 61.7°F
September 17 61.5°F September 12 61.7°F
September 16 62.1°F September 11 61.3°F
September 15 61.9°F September 10 61.7°F
September 14 61.7°F September 9 61.5°F

When is the warmest sea in Dublin?

Based on the data about daily sea water temperature for the last three years the warmest sea in Dublin was noticed in August, July and September.

Monthly Sea Temperatures in Dublin, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 63.1°F. The highest and lowest sea temperatures during the month were 64.8°F and 61.9°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 62.3°F. The highest and lowest sea temperatures during the month were 64.4°F and 59.0°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 61.8°F. The highest and lowest sea temperatures during the month were 62.4°F and 61.2°F.

Best time for vacation in Dublin

Sunniest months:
April 7 days
September 6 days
March 6 days
Warmest months:
July 65.0 °F
August 64.4 °F
June 61.7 °F
Warmest sea temp:
August 59.9 °F
July 59.0 °F
September 58.9 °F
Coldest months:
January 44.8 °F
February 46.5 °F
December 46.6 °F
Rainiest months:
November 5 days
June 5 days
July 5 days
Windiest months:
December 13.8 mph
February 13.6 mph
January 12.9 mph

Dublin on a weather map

Dublin
+54°F
NE 9 mph
Feels like: +52°F
Precip.: 23%
Places in Ireland:
Name
°F
+54°F
+54°F
+54°F
+52°F
24 Hours Forecast
Dublin
Local time: 10:11
September 18, friday
1200
54°F
NE
12 mph
1500
57°F
NE
19 mph
1800
59°F
NE
14 mph
2100
59°F
NE
14 mph
September 19, saturday
0000
59°F
NE
14 mph
0300
61°F
NE
15 mph
0600
57°F
E
16 mph
0900
55°F
E
14 mph
Units of measurement: °C / °F