Newcastle weather in May 2025

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

  • 14°C maximum daytime temperature in May in Newcastle14
    14°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Newcastle16
    16 days with some rainfall
  • 6°C minimum night-time temperature in May in Newcastle6
    6°C min night temperature
  • 16 hours of daylight per day in May in Newcastle16
    16 hours of daylight per day
  • No heat & humidity in May in Newcastle0
    No heat & humidity
  • 80 mm monthly rainfall in May in Newcastle80
    80 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Newcastle5
    5 (Moderate) UV index
  • 10°C sea temperature in May in Newcastle10
    10°C sea temperature

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The May weather guide for Northern Ireland (Newcastle) 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)

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More about the UK

How warm is it in Newcastle in May?

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

How sunny is it in Newcastle in May?

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

Is the sea cold around Newcastle in May?

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

Does it rain in Newcastle in May?

There are usually 16 days with some rain in Newcastle in May and the average monthly rainfall is 80mm.

Newcastle May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:46 19:57
Friday, 16th May 2025 04:18 20:23
Saturday, 31st May 2025 03:58 20:46

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