Weather in Ireland in October (Locals Guide)

The weather in Ireland in October tends to be cool and crisp.

But, as we hammer home in every guide that mentions the weather in Ireland, it can be very unpredictable.

The average temperature in Ireland in October see average average highs of 13°C/55°F and average lows of 6°C/42°F

Below, you’ll discover everything you know, from rainfall in October in Ireland to lots more.

Some quick need-to-knows about the weather in Ireland in October

OK, let’s get you up-to-speed nice and quickly. The points below will give you a quick insight into the weather in Ireland in October:

1. The season

September, October and November are fall in Ireland. October is the ‘Shoulder Season’ from a tourist perspective – i.e. the season between peak and off-season.

2. The weather in general

October is, in my opinion, one of the best months to visit Ireland. There’s orange leaves on the trees and covering the ground and the weather is often cool, dry and crisp. There are exceptions (see below).

3. Average temperatures

The average temperature in Ireland in October sees average highs of 13°C/55°F and average lows of 6°C/42°F

4. Still good daylight hours

At the start of the month the sun rises at 07:33 and sets at 19:09. For those of you planning your, Ireland itinerary this gives you plenty of daylight to work with.

5. Lots to do

We go into the various things to see and do in our guide to October in Ireland, but at a glance there are heaps of festivals in Ireland running in this month and there’s endless things to do in Ireland to choose from.

The average temperature in Ireland in October

The average temperature in Ireland in October is pretty good, as you can see from the graphic above, with average highs of 13°C/55°F and average lows of 6°C/42°F.

The LTA (Long Term Average) temperature for the month in Dublin, for example, is 10.3°C/50.54°F, which is pretty mild.

Now, this can vary quite a bit year to year, so I’ll pop in a chart comparing recent years from different weather stations.

Please note that all of the Ireland in October weather data is via Met Eireann – the Irish Meteorological Service.

A comparison of October weather in Ireland in recent years

County	2022	2021	2020
Dublin	12.0°C/53.6°F	11.9°C/53.42°F	9.5°C/49.1°F
Galway	11.7°C/53.06°F	11.5°C/52.7°F	9.7°C/49.96°F
Cork	13.1°C/55.58°F	12.4°C/54.32°F	11.0°C/51.8°F
Kerry	13.2°C/55.76°F	12.4°C/54.32°F	11.3°C/52.34°F

The table above will give you a sense of the average temperature in Dublin in October along with Galway, Cork and Kerry over the last number of years.

As you can see, the average temperature in Ireland in October is fairly steady across the different years and in the various counties.

Rain in Ireland in October

County	2022	2021	2020
Dublin	106.8	79.8	80.6
Galway	199.3	164.0	168.0
Cork	175.4	187.0	94.5
Kerry	255.9	264.9	228.1

We get asked ‘Does in rain in Ireland in October?’ quite a bit. The answer is yes, yes it does (see our guide on what to wear in Ireland in October).

However, it rains considerably less during October than it does in the other months of the year.

Now, it’s also worth noting that certain parts of Ireland, usually the west coast, get more rainfall than the east coast. This can be seen in the figures in the table above.

Weather in Dublin in October

The weather in Dublin in October tends to be fairly similar to the weather in many other parts of the country (flick back up to the tables above to compare).

For example, last year, in 2022, the average temperature in Dublin in October was 12.0°C/53.6°F

When we look at the rainy weather in Dublin in October last year, the capital recorded 106.8

See our more detailed guide to the weather in Dublin in October here.

FAQs about the weather in Ireland in October

We’ve had a lot of questions over the years asking about everything from ‘Is the weather in fall in Ireland bad?’ to ‘Does it rain during fall in Ireland?’.

In the section below, we’ve popped in the most FAQs that we’ve received. If you have a question that we haven’t tackled, ask away in the comments section below.