Average temperatures, rainfall and packing tips for Cardiff, United Kingdom in October
October in Cardiff is typically mild, with average daytime highs around 15°C and nights near 9°C. Temperature-wise it sits mid-range for Cardiff (the 6th warmest month).
October is one of the wetter months in Cardiff, with around 157 mm of rain - plan around showers.
If your dates are flexible, the most comfortable months in Cardiff are usually June, July and August.
← Cardiff weather tomorrow (live)
In October, Cardiff averages a daytime high of about 15°C and a night-time low of around 9°C, based on recent historical data.
October is one of the wetter months in Cardiff, with around 157 mm of rain - plan around showers.
October is a workable time to visit Cardiff, with mild days - just pack accordingly. If your dates are flexible, the most comfortable months in Cardiff are usually June, July and August.