- Save EXTRA £200 on sailings to the Caribbean & USA
- Visit Antigua, Barbados, Cuba, Jamaica, St Lucia & more
- Travel between 1st Nov 2022 & 31st Oct 2023 (inclusive)
Dublin weather in January 2023
- 88°C max day temperature
- 1818 days with some rainfall
- 33°C min night temperature
- 88 hours of daylight per day
- 0No heat & humidity
- 6262 mm of monthly rainfall
- 0No UV (Maximum) Index UV index
- 99°C sea temperature
Cruise deal finder
Recommended for Ireland
The January weather guide for Ireland (Dublin) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Dublin
How warm is it in Dublin in January?
Daytime temperatures usually reach 8°C in Dublin in January, falling to 3°C at night.
How sunny is it in Dublin in January?
There are normally 2 hours of bright sunshine each day in Dublin in January - that's 22% of daylight hours.
Is the sea cold around Dublin in January?
The average sea temperature around Dublin in January is 9°C.
Does it rain in Dublin in January?
There are usually 18 days with some rain in Dublin in January and the average monthly rainfall is 62mm.
Dublin January sunrise & sunset times
Browse the sunrise and sunset times for Dublin in January 2023. Select a month to view Dublin sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Sunday, 1st January 2023||08:40||16:17|
|Monday, 16th January 2023||08:32||16:38|
|Tuesday, 31st January 2023||08:12||17:06|
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.