Londonderry weather in October 2025

Expect daytime maximum temperatures of 54°F in Londonderry, Northern Ireland in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 22 days with some rainfall and typically 5.0 inches of rainfall in the month.

  • 54°F maximum daytime temperature in October in Londonderry54
    54°F max day temperature
  • 3 hours of sunshine per day
  • 22 days with some rainfall in October in Londonderry22
    22 days with some rainfall
  • 43°F minimum night-time temperature in October in Londonderry43
    43°F min night temperature
  • 10 hours of daylight per day in October in Londonderry10
    10 hours of daylight per day
  • No heat & humidity in October in Londonderry0
    No heat & humidity
  • 5.0 inches monthly rainfall in October in Londonderry5.0
    5.0 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Londonderry2
    2 (Low) UV index

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The October weather guide for Northern Ireland (Londonderry) 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 Londonderry in October?

Daytime temperatures usually reach 55°F in Londonderry in October, falling to 45°F at night.

How sunny is it in Londonderry in October?

There are normally 3 hours of bright sunshine each day in Londonderry in October - that's 28% of daylight hours.

How warm is the sea around Londonderry in October?

The average sea temperature around Londonderry in October is 55°F.

Does it rain in Londonderry in October?

There are usually 19 days with some rain in Londonderry in October and the average monthly rainfall is 3.9 inches.

Londonderry October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:32 18:05
Thursday, 16th October 2025 07:01 17:27
Friday, 31st October 2025 07:31 16:54

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