Dublin weather in January 2021

Get the latest coronavirus (COVID-19) updates for Ireland with current travel advice, statistics and online resources.

  • 8°C maximum daytime temperature in January in Dublin8
    8°C max day temperature
  • 2 hours of sunshine per day
  • 18 days with some rainfall in January in Dublin18
    18 days with some rainfall
  • 3°C minimum night-time temperature in January in Dublin3
    3°C min night temperature
  • 8 hours of daylight per day in January in Dublin8
    8 hours of daylight per day
  • No heat & humidity in January in Dublin0
    No heat & humidity
  • 62 mm monthly rainfall in January in Dublin62
    62 mm of monthly rainfall
  • No UV (maximum) index in January in Dublin0
    No UV (Maximum) Index UV index
  • 9°C sea temperature in January in Dublin9
    9°C sea temperature

Recommended for Ireland

  • Top deals & discounts
  • Dublin weather overview
  • Dublin climate averages by month
  • More destinations
  • Best time to go to Dublin
  • Dublin 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The January weather guide for Dublin, Ireland 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.

  • Browse top deals on campervans & motorhomes for Ireland
  • Save with late deals & early booking discounts
  • Spaceships Dublin branch located in Garlow Cross

Dublin holiday rentals

Find holiday rentals in Dublin, County Dublin, Ireland including holiday homes, self-catering accommodation, B&Bs, shared space, home swaps and short-term lets.

  • Airbnb
  • VRBO

Dublin camping & hostels

Looking for camping holidays in Dublin, County Dublin, Ireland? Browse hostels and campsites for camping, glamping, yurts, cabins, tree houses, youth hostels and caravan parks.

  • Campsited
  • Hostel World

Dublin car hire

Need to hire a car for Dublin, County Dublin, Ireland? Check out the car hire companies and brokers offering car rentals for Dublin, County Dublin, Ireland.

  • Avis
  • Europcar

Back to search

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 sunrise & sunset times for January 2021

Browse the sunrise & sunset times for Dublin in January 2021. Select a month to view Dublin sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Friday, 1st January 2021 08:40 16:17
Saturday, 16th January 2021 08:31 16:39
Sunday, 31st January 2021 08:11 17:07
  • Pay just 20% deposits on campvans for UK & Ireland
  • Includes 3rd party insurance, roadside assistance & more
  • Pickup locations in London, Edinburgh & Dublin

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about Dublin

Where is warm in Ireland in January for 2021/2022?

Below are average maximum temperatures at popular destinations in Ireland in January. Select a destination to see more weather parameters.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.