What's on in Belfast, United Kingdom through the year
Belfast, United Kingdom has 7 curated events through the year — 5 festivals and 2 holidays. The ones to plan around: Belfast Mela (August) and Culture Night (September). April, May, July and December are its peak-crowd months.
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Belfast events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | — | Busy |
| February | — | Busy |
| March | St Patrick's Day | Busy |
| April | Belfast City Marathon | Peak crowds |
| May | — | Peak crowds |
| June | — | Busy |
| July | The Eleventh Night and Twelfth | Peak crowds |
| August | Belfast Mela | Busy |
| September | Culture Night | Busy |
| October | Belfast International Arts Festival | Busy |
| November | Christmas market at City Hall | Busy |
| December | — | Peak crowds |
January in Belfast
Belfast weather in January →Busy — Christmas holidays in United Kingdom, school holidays in 6 of the markets that fill it
Nothing new starts in January.
February in Belfast
Belfast weather in February →Busy — February half-term in United Kingdom, school holidays in 2 of the markets that fill it
Nothing new starts in February.
March in Belfast
Belfast weather in March →Busy — St Patrick's Day, school holidays in 4 of the markets that fill it
- Holiday
St Patrick's Day
1–17 MarMajor festivalCrowdedThe city runs a programme through the first half of March, ending with the parade and a concert in the centre on the 17th. It is a public holiday here, so the shops keep Sunday hours. Source ↗
April in Belfast
Belfast weather in April →Peak crowds — Belfast City Marathon, Easter / spring holiday in United Kingdom
- Festival
Belfast City Marathon
28 Apr – 8 May · usuallyMajor festivalCrowdedUsually the first Sunday in May, running from Stormont into the centre and taking a long east-west line of the city out of use for most of the morning. Rooms go with the bank holiday weekend. Source ↗
May in Belfast
Belfast weather in May →Peak crowds — Belfast City Marathon, Late-May half-term in United Kingdom
Nothing new starts in May.
Still on: Belfast City Marathon (28 Apr – 8 May (usually))
June in Belfast
Belfast weather in June →Busy — Late-May half-term in United Kingdom, school holidays in 3 of the markets that fill it
Nothing new starts in June.
July in Belfast
Belfast weather in July →Peak crowds — The Eleventh Night and Twelfth, Summer holidays in United Kingdom
- Holiday
The Eleventh Night and Twelfth
10–14 JulNational holidayClosuresCrowdedBonfires on the evening of the 11th and Orange Order parades on the 12th, with a festival zone at the City Hall. Much of the city closes and bus routes change; it is worth knowing which streets you are near. Source ↗
August in Belfast
Belfast weather in August →Busy — Summer holidays in United Kingdom, school holidays in 6 of the markets that fill it
- Festival
Belfast Mela
22–30 AugMajor festivalThe city's multicultural festival builds over a week in late August around a carnival parade and a day in Botanic Gardens. Free, and the food stalls are the point. Source ↗
September in Belfast
Belfast weather in September →Busy — Culture Night, school holidays in 3 of the markets that fill it
- Festival
Culture Night
18 SepMajor festivalCrowdedOne Friday evening in mid-September when a couple of hundred free events open across the Cathedral Quarter and beyond. Everything is walkable and everything is full by seven. Source ↗
October in Belfast
Belfast weather in October →Busy — October half-term in United Kingdom, school holidays in 3 of the markets that fill it
- Festival
Belfast International Arts Festival
14 Oct – 8 NovMajor festivalThree and a half weeks of theatre, dance and music across thirty-odd venues from mid-October. It is the reason to be here in the worst month of the year for daylight. Source ↗
November in Belfast
Belfast weather in November →Busy — Christmas market at City Hall, school holidays in 2 of the markets that fill it
- Festival
Christmas market at City Hall
14 Nov – 22 DecChristmas & New YearCrowdedChalets fill the City Hall lawns for five weeks from mid-November. It draws the whole province rather than just the city, so weekday lunchtimes are the only calm ones. Source ↗
Still on: Belfast International Arts Festival (14 Oct – 8 Nov)
December in Belfast
Belfast weather in December →Peak crowds — Christmas market at City Hall, Christmas holidays in United Kingdom
Nothing new starts in December.
Still on: Christmas market at City Hall (14 Nov – 22 Dec)