Current sea water temperature:
+49.8°F
| Minimum sea water temperature in December: | 52.5°F |
| Maximum sea water temperature in December: | 45.5°F |
| Average sea water temperature in December: | 49.3°F |
| more information | |
14 days
forecast
forecast
| Dublin |
monthly
weather
weather
| Dublin |
Sea water temperature for the last 10 days:
| December 17 | 49.8°F | December 12 | 50.4°F |
| December 16 | 49.8°F | December 11 | 50.2°F |
| December 15 | 49.8°F | December 10 | 49.6°F |
| December 14 | 49.8°F | December 9 | 49.8°F |
| December 13 | 49.8°F | December 8 | 49.6°F |
Monthly sea water temperature, °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:
2025
2024
2023
The average sea water temperature in August of 2025 was 61.6°F. The highest and lowest sea temperatures during the month were 62.6°F and 60.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 59.9°F. The highest and lowest sea temperatures during the month were 61.5°F and 58.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 60.0°F. The highest and lowest sea temperatures during the month were 61.9°F and 58.3°F.
current
weather
weather
| Dublin |
weather in
December
December
| Dublin |
Best time for vacation in Dublin
Dublin on a weather map
24 Hours Forecast
Dublin
Local time: 01:40
December 18, thursday
0300
41°F
N
6 mph
6 mph
0600
43°F
N
9 mph
9 mph
0900
48°F
N
16 mph
16 mph
1200
48°F
N
12 mph
12 mph
1500
46°F
N
11 mph
11 mph
1800
39°F
E
16 mph
16 mph
2100
41°F
NE
22 mph
22 mph
December 19, friday
0000
43°F
NE
25 mph
25 mph
