Is Dublin hot in October?
Days are typically cool at 14.2°C, while nights average 6.9°C.
Ireland · 1991–2020 normal
Typical October weather in Dublin: 14.2°C by day, 6.9°C at night, 83 mm of rain over 12.5 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, October scores 38 out of 100 (July leads the year at 67). Daylight is calculated as 10 h 28 from latitude 53.33°. Open-water sea temperature is 13.4°C (10 km from the place centre).
October at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically cool at 14.2°C, while nights average 6.9°C.
The measured monthly average is 83 mm across about 13 wet days.
There are about 10 h 28 between sunrise and sunset at mid-month, calculated from the place latitude.
October ranks 6 of 12 in our weather comparison; July ranks first.
The evidence behind this page
Next step
The weather comparison for Dublin is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work