Larne weather in July 2025

Expect 63°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Larne in July. Check more long-term weather averages for Larne in July before you book your next holiday to Northern Ireland in 2025/2026.

  • 63°F maximum daytime temperature in July in Larne63
    63°F max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in July in Larne15
    15 days with some rainfall
  • 50°F minimum night-time temperature in July in Larne50
    50°F min night temperature
  • 17 hours of daylight per day in July in Larne17
    17 hours of daylight per day
  • No heat & humidity in July in Larne0
    No heat & humidity
  • 2.9 inches monthly rainfall in July in Larne2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 6 (High) in July in Larne6
    6 (High) UV index
  • 54°F sea temperature in July in Larne54
    54°F sea temperature

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The July weather guide for Northern Ireland (Larne) 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)  |  Imperial (°F)

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More about the UK

How warm is it in Larne in July?

Daytime temperatures usually reach 63°F in Larne in July, falling to 50°F at night.

How sunny is it in Larne in July?

There are normally 5 hours of bright sunshine each day in Larne in July - that's 29% of daylight hours.

How warm is the sea around Larne in July?

The average sea temperature around Larne in July is 54°F.

Does it rain in Larne in July?

There are usually 15 days with some rain in Larne in July and the average monthly rainfall is 2.9 inches.

Larne July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 03:50 21:04
Wednesday, 16th July 2025 04:07 20:51
Thursday, 31st July 2025 04:31 20:27

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