World Resorts Ireland Dublin Weather

Dublin sea water temperature

Current sea water temperature:
+54.5°F
Minimum sea water temperature in October: 60.1°F
Maximum sea water temperature in October: 52.5°F
Average sea water temperature in October: 56.5°F

Sea water temperature for the last 10 days:

October 28 54.5°F October 23 55.9°F
October 27 54.7°F October 22 56.1°F
October 26 54.5°F October 21 57.0°F
October 25 55.0°F October 20 56.8°F
October 24 55.8°F October 19 56.8°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, September and July.

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 September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 61.4°F. The highest and lowest sea temperatures during the month were 62.4°F and 59.9°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.

Best time for vacation in Dublin

Sunniest months:
April 7 days
March 6 days
January 5 days
Warmest months:
July 65.0 °F
August 64.4 °F
June 61.7 °F
Warmest sea temp:
August 59.9 °F
September 59.1 °F
July 59.0 °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
+52°F
N 12 mph
Feels like: +48°F
Precip.: 18%
Places in Ireland:
Name
°F
+52°F
+57°F
+55°F
+55°F
24 Hours Forecast
Dublin
Local time: 05:07
October 30, friday
0600
52°F
N
12 mph
0900
54°F
N
13 mph
1200
59°F
N
11 mph
1500
57°F
N
9 mph
1800
52°F
N
6 mph
2100
50°F
N
6 mph
October 31, saturday
0000
48°F
N
5 mph
0300
46°F
N
4 mph
Units of measurement: °C / °F