Northern Ireland weather in January 2021

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

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

More destinations >>

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

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

The January weather guide for Northern 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.

Recommended for Northern Ireland

  • Save EXTRA 10% on cheap car hire worldwide
  • With this exclusive Holiday Autos discount code
  • Travel before 31st December 2020 (inclusive)
Show discount codeShow discount code ******vel

Expires at 23:59 on Thursday 31st Dec 2020 · View all Holiday Autos offers

Northern Ireland holiday rentals

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

  • Airbnb
  • HomeAway
  • Love Home Swap

Northern Ireland cottages

Search for holiday cottages in Northern Ireland including contemporary and traditional self-catering accommodation.

  • Imagine Ireland
  • Stays Cottage Holidays

Northern Ireland hotels

Compare prices for hotels in Northern Ireland by booking directly with hotel chains and independent hotels or via online travel agencies and hotel comparison websites.

  • Booking.com
  • IHG

Northern Ireland camping & hostels

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

  • Campsited
  • Hostel World

Northern Ireland holiday parks

Discover family holidays and short breaks at holiday parks, activity centres and seaside resorts in Northern Ireland with lots of activities, adventures and entertainment for all.

  • Hoseasons

Back to search

How cold is it in Northern Ireland in January?

Daytime temperatures usually reach 7°C in Belfast, Northern Ireland in January, falling to 1°C at night.

How sunny is it in Northern Ireland in January?

There are normally 2 hours of bright sunshine each day in Belfast, Northern Ireland in January - that's 20% of daylight hours.

Is the sea cold around Northern Ireland in January?

The average sea temperature around Belfast, Northern Ireland in January is 9°C.

Does it rain in Northern Ireland in January?

There are usually 20 days with some rain in Belfast, Northern Ireland in January and the average monthly rainfall is 101mm.

Northern Ireland sunrise & sunset times for January 2021

Browse the sunrise & sunset times for Northern Ireland in January 2021. Select a month to view Northern Ireland sunrise & sunset times for the next twelve months. The Northern Ireland sunrise & sunset times shown below are for Belfast.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st January 2021 08:46 16:09
Saturday, 16th January 2021 08:36 16:32
Sunday, 31st January 2021 08:14 17:01
  • Book holiday cottages for 2 weeks for the price of 1
  • Search for holiday homes in Ireland & Northern Ireland
  • Filter deals by price, travel dates & property facilities

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

Back to top

More Northern Ireland destinations

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.