Cardiff weather in October 2025

Expect 57°F daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Cardiff in October. Check more long-term weather averages for Cardiff in October before you book your next holiday to Wales in 2025/2026.

  • 57°F maximum daytime temperature in October in Cardiff57
    57°F max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in October in Cardiff18
    18 days with some rainfall
  • 46°F minimum night-time temperature in October in Cardiff46
    46°F min night temperature
  • 11 hours of daylight per day in October in Cardiff11
    11 hours of daylight per day
  • No heat & humidity in October in Cardiff0
    No heat & humidity
  • 4.0 inches monthly rainfall in October in Cardiff4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Cardiff2
    2 (Low) UV index
  • 57°F sea temperature in October in Cardiff57
    57°F sea temperature

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The October weather guide for Wales (Cardiff) 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 Wales

How warm is it in Cardiff in October?

Daytime temperatures usually reach 57°F in Cardiff in October, falling to 46°F at night.

How sunny is it in Cardiff in October?

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

How warm is the sea around Cardiff in October?

The average sea temperature around Cardiff in October is 57°F.

Does it rain in Cardiff in October?

There are usually 18 days with some rain in Cardiff in October and the average monthly rainfall is 4.0 inches.

Cardiff October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:14 17:50
Thursday, 16th October 2025 06:39 17:17
Friday, 31st October 2025 07:05 16:47

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