Is Dublin hot in January?
Days are typically cold at 8.3°C, while nights average 2°C.
Ireland · 1991–2020 normal
Dublin in
January.
Typical January weather in Dublin: 8.3°C by day, 2°C at night, 66 mm of rain over 13.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high8.3°C
Typical low2°C
Rain66 mm
Wet days13.5
In the year-round weather comparison, January scores 11 out of 100 (July leads the year at 67). Daylight is calculated as 8 h 01 from latitude 53.33°. Open-water sea temperature is 9.1°C (10 km from the place centre).
January at a glance
What is Dublin like in January?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 66 mm across about 14 wet days.
How much daylight is there?
There are about 8 h 01 between sunrise and sunset at mid-month, calculated from the place latitude.
Is January a good time to visit?
January ranks 12 of 12 in our weather comparison; July ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 2964574
- NOAA station
- EI000003969 · DUBLIN PHOENIX PARK
- Station distance
- 5.8 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Dublin is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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