Dublin Weather in October

What's the weather like in Dublin (Leinster) in October 2021?

The climate in Dublin during October can be summarized as cool and damp.

October is in the fall / autumn in Dublin and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 7°C (44°F) is normal.

Dublin weather averages (imperial / metric)
Daytime temperature 13°C 55.3°F
Nightly temperature 6.9°C 44.3°F
Average temperature 9.9°C 49.8°F
Daily sunshine 3.5 hrs
Avg rainfall 102 mm 4 ins
Rainy days 17 days
Sea temperature 14.1°C 57.3°F
Humidity 86%
Windspeed 19.8kph 12 mph

On average October is the 3rd wettest month of the year in Dublin with around 102mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.5 hours of sunshine per day.

October temperatures in Dublin

Dublin average temperature in October

October rainfall

Dublin average rain in October

October hourly sunshine

Dublin average rain in October

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Dublin in October 2021.

Other monthly averages

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Dublin weather stats

Dublin weather statistics
Hottest month: July 18.2°C 64.8°F
Driest month: July 63mm 2.5ins
Sunniest month: May 6.6hrs
Coldest month: February 6.6°C 43.9°F
Wettest month: December 120mm 4.7ins
Map showing location of Dublin (53.33306, -6.24889)

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