Dundalk weather in July 2025

Expect 20°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Dundalk in July. Check more long-term weather averages for Dundalk in July before you book your next holiday to Ireland in 2025/2026.

  • 20°C maximum daytime temperature in July in Dundalk20
    20°C max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in July in Dundalk15
    15 days with some rainfall
  • 11°C minimum night-time temperature in July in Dundalk11
    11°C min night temperature
  • 17 hours of daylight per day in July in Dundalk17
    17 hours of daylight per day
  • No heat & humidity in July in Dundalk0
    No heat & humidity
  • 55 mm monthly rainfall in July in Dundalk55
    55 mm of monthly rainfall
  • UV (maximum) index 6 (High) in July in Dundalk6
    6 (High) UV index
  • 14°C sea temperature in July in Dundalk14
    14°C sea temperature

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The July weather guide for Ireland (Dundalk) 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 Ireland

How hot is it in Dundalk in July?

Daytime temperatures usually reach 20°C in Dundalk in July, falling to 11°C at night.

How sunny is it in Dundalk in July?

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

How warm is the sea around Dundalk in July?

The average sea temperature around Dundalk in July is 14°C.

Does it rain in Dundalk in July?

There are usually 15 days with some rain in Dundalk in July and the average monthly rainfall is 55mm.

Dundalk July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 03:58 21:01
Wednesday, 16th July 2025 04:14 20:48
Thursday, 31st July 2025 04:38 20:25

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