Belfast Weather in May
16.4°C high · 7°C low · 54 mm rain · 7.5h sun
Yes — May is one of the best months to visit Belfast, with mild weather and 7.5h of daily sunshine.
May at a glance
| Metric | Value |
|---|---|
| Average high | 16.4°C |
| Average low | 7°C |
| Rainfall | 54 mm |
| Sunshine | 7.5 hours/day |
| Daylight | 15.8 hours |
What to pack in May
Pack a jacket and layers for Belfast in May.
Belfast weather by month
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Frequently asked questions
What is the weather in Belfast in May?
Highs of 16.4°C and lows of 7°C, with about 54 mm of rain and 7.5 hours of sunshine per day.
Is May a good time to visit Belfast?
Yes — May is one of the best months to visit Belfast, with mild weather and 7.5h of daily sunshine.
What to do in Belfast · Best time to visit Belfast
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.