World Resorts Ireland Dublin Weather

Dublin Sea Temperature in January

Average sea water temperature in January:
+46.8°F
Minimum sea water temperature in January: 50.7°F
Maximum sea water temperature in January: 43.0°F

Daily sea water temperature in January, °F

Show year:
2025
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The average sea water temperature in January of 2025 was 45.9°F. The highest and lowest sea temperatures during the month were 47.7°F and 45.0°F.

Monthly sea water temperature in Dublin, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
70
80
49.3
53.1
56.4
58.8
59.6
58.7
55.8
51.4
47.9
45.5
45.5
46.8

Which Ireland resorts have warmest sea in January?

Place name January 2025 January 2024
Cork 48.8°F 48.7°F
Killarney 48.2°F 48.1°F
Dublin 45.9°F 46.7°F
Limerick 45.5°F 47.8°F

Best time for vacation in Dublin

Sunniest months:
April 7 days
January 6 days
March 6 days
Warmest months:
July 64.7 °F
August 64.2 °F
June 61.4 °F
Warmest sea temp:
August 59.6 °F
September 58.8 °F
July 58.7 °F
Coldest months:
January 44.9 °F
February 46.5 °F
December 46.6 °F
Rainiest months:
June 6 days
December 6 days
November 5 days
Windiest months:
December 13.9 mph
February 13.8 mph
January 12.9 mph

Dublin on a weather map

Leaflet | Tiles © Esri
Places in Ireland:
Name
°F
Dublin
+63°F
Killarney
+55°F
Cork
+59°F
Limerick
+64°F
24 Hours Forecast
Dublin
Local time: 14:02
April 27, sunday
1500
63°F
NE
12 mph
1800
59°F
N
9 mph
2100
52°F
N
7 mph
April 28, monday
0000
50°F
N
6 mph
0300
50°F
N
5 mph
0600
50°F
N
4 mph
0900
59°F
N
4 mph
1200
64°F
N
4 mph
Units of measurement: °C / °F