Northern Ireland weather in May 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 May. Select a destination to see more weather parameters.

More destinations >>

Recommended for Northern Ireland

  • 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 May 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.

  • Save EXTRA £7 on flights, trains & buses worldwide
  • Minimum spend £100 on exclusive Kiwi.com promo code
  • Compare airlines & operators to find the cheapest fares
Show discount codeShow discount code ******WI7

Expires at 23:59 on Thursday 10th Dec 2020 · View all Kiwi.com 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
  • VRBO

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
  • Priceline

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

Northern Ireland car hire

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

  • Avis
  • Europcar
  • Hertz

Back to search

How warm is it in Northern Ireland in May?

Daytime temperatures usually reach 14°C in Belfast, Northern Ireland in May, falling to 6°C at night.

How sunny is it in Northern Ireland in May?

There are normally 6 hours of bright sunshine each day in Belfast, Northern Ireland in May - that's 37% of daylight hours.

Is the sea cold around Northern Ireland in May?

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

Does it rain in Northern Ireland in May?

There are usually 16 days with some rain in Belfast, Northern Ireland in May and the average monthly rainfall is 65mm.

Northern Ireland sunrise & sunset times for May 2021

Browse the sunrise & sunset times for Northern Ireland in May 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
Saturday, 1st May 2021 05:45 20:58
Sunday, 16th May 2021 05:16 21:25
Monday, 31st May 2021 04:56 21:48
  • Save EXTRA 7% on 3-5* hotels worldwide with Priceline
  • Discount available on Pay Now & Express Deal Hotels
  • Book hotels for 2 nights or more. Not combinable
Show discount codeShow discount code ******020

Expires at 23:59 on Monday 30th Nov 2020 · View all Priceline offers

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.