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Letterkenny weather in October 2025
Expect 12°C daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Letterkenny in October. Check more long-term weather averages for Letterkenny in October before you book your next holiday to Ireland in 2025/2026.
- 1212°C max day temperature
- 2 hours of sunshine per day
- 2323 days with some rainfall
- 77°C min night temperature
- 1010 hours of daylight per day
- 0No heat & humidity
- 132132 mm of monthly rainfall
- 22 (Low) UV index
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Recommended for Ireland
The October 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 / mm) | Imperial (°F / inches)
More about Ireland
How warm is it in Letterkenny in October?
Daytime temperatures usually reach 12°C in Letterkenny in October, falling to 7°C at night.
How sunny is it in Letterkenny in October?
There are normally 2 hours of bright sunshine each day in Letterkenny in October - that's 23% of daylight hours.
Does it rain in Letterkenny in October?
There are usually 23 days with some rain in Letterkenny in October and the average monthly rainfall is 132mm.
Letterkenny October sunrise & sunset times
Browse the sunrise and sunset times for Letterkenny in October 2025. Select a month to view Letterkenny sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st October 2025 | 06:34 | 18:06 |
Thursday, 16th October 2025 | 07:03 | 17:29 |
Friday, 31st October 2025 | 07:33 | 16:55 |
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