Hillsborough weather in May 2025

Expect 14°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Hillsborough in May. Check more long-term weather averages for Hillsborough in May before you book your next holiday to Northern Ireland in 2025/2026.

14
14°C max day temperature
6
6 hours of sunshine per day
17
17 days with some rainfall
6
6°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
69
69 mm of monthly rainfall
5
5 (Moderate) UV index

More about Hillsborough

Hillsborough by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Northern Ireland

Carrentals.co.uk: Car hire offers from £1 a day

Sale

Find car hire worldwide from as little as £1 a day
Book car hire with no hidden costs & best price guarantee
Free cancellation up to 48 hours before pickup

Go to Carrentals.co.uk deal >>

View all Carrentals.co.uk offers

The May weather guide for Northern Ireland (Hillsborough) 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.

Metric (°C / mm) | Imperial (°F / inches)

More about the UK

How warm is it in Hillsborough in May?

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

How sunny is it in Hillsborough in May?

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

Does it rain in Hillsborough in May?

There are usually 17 days with some rain in Hillsborough in May and the average monthly rainfall is 69mm.

Hillsborough May sunrise & sunset times

Browse the sunrise and sunset times for Hillsborough in May 2025. Select a month to view Hillsborough sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec