Weather · Belfast, United Kingdom
Belfast Weather in May
May in Belfast averages 14°C by day and 7°C at night, with about 90mm of rain. That makes it a reasonable time to visit.
Avg high
14°C
57°F
Avg low
7°C
45°F
Rainfall
90mm
#4 wettest of 12
What to pack
Layers, plus a jacket for mornings and nights. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Belfast builds it around the season for you.