Letterkenny weather in July 2026

Expect daytime maximum temperatures of 63°F in Letterkenny, Ireland in July based on long-term weather averages. There are 4 hours of sunshine per day on average with 20 days with some rainfall and typically 3.4 inches of rainfall in the month.

  • 63°F maximum daytime temperature in July in Letterkenny63
    63°F max day temperature
  • 4 hours of sunshine per day
  • 20 days with some rainfall in July in Letterkenny20
    20 days with some rainfall
  • 50°F minimum night-time temperature in July in Letterkenny50
    50°F min night temperature
  • 17 hours of daylight per day in July in Letterkenny17
    17 hours of daylight per day
  • No heat & humidity in July in Letterkenny0
    No heat & humidity
  • 3.4 inches monthly rainfall in July in Letterkenny3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 6 (High) in July in Letterkenny6
    6 (High) UV index

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The July weather guide for Ireland (Letterkenny) 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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How warm is it in Letterkenny in July?

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

How sunny is it in Letterkenny in July?

There are normally 4 hours of bright sunshine each day in Letterkenny in July - that's 25% of daylight hours.

Does it rain in Letterkenny in July?

There are usually 20 days with some rain in Letterkenny in July and the average monthly rainfall is 3.4 inches.

Letterkenny July sunrise & sunset times

Browse the sunrise and sunset times for Letterkenny in July 2026. Select a month to view Letterkenny sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st July 2026 03:57 21:12
Thursday, 16th July 2026 04:14 20:59
Friday, 31st July 2026 04:38 20:35

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