Dublin weather in May 2025

Expect 15°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Dublin in May. Check more long-term weather averages for Dublin in May before you book your next holiday to Ireland in 2025/2026.

  • 15°C maximum daytime temperature in May in Dublin15
    15°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Dublin16
    16 days with some rainfall
  • 7°C minimum night-time temperature in May in Dublin7
    7°C min night temperature
  • 16 hours of daylight per day in May in Dublin16
    16 hours of daylight per day
  • No heat & humidity in May in Dublin0
    No heat & humidity
  • 55 mm monthly rainfall in May in Dublin55
    55 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Dublin5
    5 (Moderate) UV index
  • 10°C sea temperature in May in Dublin10
    10°C sea temperature

More about Dublin

Dublin by month

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

Recommended for Dublin

  • Treat a loved one to a special gift of a spa break
  • Choose between gift package voucher or spa voucher
  • Alternatively a monetary voucher allows them to pick

The May weather guide for Ireland (Dublin) 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)

Back to top

More about Ireland

How warm is it in Dublin in May?

Daytime temperatures usually reach 15°C in Dublin in May, falling to 7°C at night.

How sunny is it in Dublin in May?

There are normally 6 hours of bright sunshine each day in Dublin in May - that's 38% of daylight hours.

Is the sea cold around Dublin in May?

The average sea temperature around Dublin in May is 10°C.

Does it rain in Dublin in May?

There are usually 16 days with some rain in Dublin in May and the average monthly rainfall is 55mm.

Dublin May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:51 19:55
Friday, 16th May 2025 04:23 20:20
Saturday, 31st May 2025 04:04 20:42

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^