Northern Ireland weather in July 2025

Expect daytime maximum temperatures of 18°C in Northern Ireland, UK in July based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 63 mm of rainfall in the month.

  • 18°C maximum daytime temperature in July in Northern Ireland (Belfast)18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in July in Northern Ireland (Belfast)15
    15 days with some rainfall
  • 11°C minimum night-time temperature in July in Northern Ireland (Belfast)11
    11°C min night temperature
  • 17 hours of daylight per day in July in Northern Ireland (Belfast)17
    17 hours of daylight per day
  • No heat & humidity in July in Northern Ireland (Belfast)0
    No heat & humidity
  • 63 mm monthly rainfall in July in Northern Ireland (Belfast)63
    63 mm of monthly rainfall
  • UV (maximum) index 6 (High) in July in Northern Ireland (Belfast)6
    6 (High) UV index
  • 13°C sea temperature in July in Northern Ireland (Belfast)13
    13°C sea temperature

More about Northern Ireland

Northern Ireland by month

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

Recommended for Northern Ireland

Avis sale: up to 10% off car hire

  • Save up to 10% on car hire for select destinations
  • Book car hire in Europe, Australia, New Zealand & more
  • Travel: 1 Mar-14 Dec 2025. Black out periods apply
Go to Avis deal >>

Expires at 23:59 on Tuesday 18th Mar 2025 · View all Avis offers

AvisCar hire finder

The July weather guide for Northern Ireland (Belfast) 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.

Top Northern Ireland destinations

Below are average maximum temperatures at popular countries, regions and places in Northern Ireland in July. Select a holiday destination to see more weather parameters.

All Northern Ireland destinations

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

Back to top

More about the UK

How hot is it in Northern Ireland in July?

Daytime temperatures usually reach 18°C in Belfast, Northern Ireland in July, falling to 11°C at night.

How sunny is it in Northern Ireland in July?

There are normally 5 hours of bright sunshine each day in Belfast, Northern Ireland in July - that's 30% of daylight hours.

How warm is the sea around Northern Ireland in July?

The average sea temperature around Belfast, Northern Ireland in July is 13°C.

Does it rain in Northern Ireland in July?

There are usually 15 days with some rain in Belfast, Northern Ireland in July and the average monthly rainfall is 63mm.

Northern Ireland July sunrise & sunset times

Browse the sunrise and sunset times for Northern Ireland in July 2025. Select a month to view Northern Ireland sunrise and sunset times for the next 12 months. The Northern Ireland sunrise and sunset times shown below are for Belfast.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 03:52 21:02
Wednesday, 16th July 2025 04:09 20:50
Thursday, 31st July 2025 04:33 20:26

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^