Best Time to Visit Belfast
Best time: Jul, Jun, Aug, May.
Jul is warmest (20.5°C high); Oct is rainiest (83 mm).
Belfast weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 6.8 | 1.4 | 82 | 0.9 |
| Feb | 7.7 | 1.6 | 57 | 1.9 |
| Mar | 10.2 | 2.8 | 65 | 3.4 |
| Apr | 12.8 | 4.3 | 56 | 5.7 |
| May | 16.4 | 7 | 54 | 7.5 |
| Jun | 18.9 | 9.9 | 57 | 7.7 |
| Jul | 20.5 | 12 | 60 | 7 |
| Aug | 19.9 | 11.5 | 74 | 5.9 |
| Sep | 17 | 9.2 | 75 | 4.3 |
| Oct | 13.3 | 6.7 | 83 | 2.3 |
| Nov | 9.5 | 3.5 | 76 | 1.2 |
| Dec | 7.3 | 2.1 | 77 | 0.7 |
Average high temperature
Best months by activity
Overall: JulJunAugMay
Beaches: JulJunMayAug
Hiking: MayJunJulApr
Sightseeing: JunJulMayAug
Belfast quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Belfast?
Jul, Jun, Aug, May.
What is the rainiest month?
Oct, about 83 mm.
What is the warmest month?
Jul, with average highs of 20.5°C.
Where to stay
See Belfast hotels · Book Belfast tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.