Dublin

Dublin County Weather in October

Average temperatures, rainfall, sunshine and the best places to visit in Dublin County, Ireland in October.

Are you planning a trip a to Dublin County, Ireland in October and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Dublin County in October

Dublin County, Ireland is a region in Ireland. October in Dublin County generally has mild temperatures, with moderate precipitation.

Temperatures

You can expect mild maximum daytime temperatures of around 15°C (59°F) and nighttime temperatures around 9°C (48°F) in Dublin.

For a closer look at conditions across Dublin County, Ireland, refer to the map below.

Precipitation

In October, precipitation varies across different areas. From moderate rainfall in Lucan with an average of 78 mm (3.1 in) to moderate rainfall in Dalkey with 92 mm (3.6 in).

Average sunshine

Sunshine is more restricted in many locations in October. Dublin sees roughly 97 hours of sunlight. Our weather planner can help you find destinations with more sunshine if needed.

Explore Dublin County by month

Best Places to Visit in Dublin County in October

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Dublin County.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Dublin County

What is the weather like in October for some of the most popular destinations in Dublin County, Ireland?

Temperature range in Dublin County (October)

Precipitation variation in Dublin County (October)

Dublin

In October Dublin generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

September
October
November
Max temperature
18°C (64°F)
15°C (59°F)
12°C (54°F)
Min temperature
11°C (52°F)
9°C (48°F)
6°C (43°F)
Monthly sun hours
128 hours
97 hours
71 hours
Monthly rainfall
74 mm (2.9 in)
79 mm (3.1 in)
87 mm (3.4 in)
Monthly rainy days
15 days
17 days
16 days
Weather conditions

Swords

In October Swords generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

September
October
November
Max temperature
18°C (64°F)
15°C (59°F)
12°C (54°F)
Min temperature
11°C (52°F)
9°C (48°F)
6°C (43°F)
Monthly sun hours
128 hours
97 hours
71 hours
Monthly rainfall
74 mm (2.9 in)
81 mm (3.2 in)
89 mm (3.5 in)
Monthly rainy days
15 days
17 days
16 days
Weather conditions

Dun Laoghaire

In October Dun Laoghaire generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

September
October
November
Max temperature
17°C (63°F)
14°C (57°F)
12°C (54°F)
Min temperature
11°C (52°F)
9°C (48°F)
7°C (45°F)
Monthly sun hours
128 hours
97 hours
71 hours
Monthly rainfall
80 mm (3.1 in)
90 mm (3.5 in)
100 mm (3.9 in)
Monthly rainy days
15 days
17 days
16 days
Weather conditions

Rathgar

In October Rathgar generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

September
October
November
Max temperature
18°C (64°F)
14°C (57°F)
11°C (52°F)
Min temperature
11°C (52°F)
8°C (46°F)
6°C (43°F)
Monthly sun hours
128 hours
97 hours
71 hours
Monthly rainfall
77 mm (3 in)
82 mm (3.2 in)
89 mm (3.5 in)
Monthly rainy days
15 days
17 days
16 days
Weather conditions

Cloghran

In October Cloghran generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

September
October
November
Max temperature
18°C (64°F)
15°C (59°F)
12°C (54°F)
Min temperature
11°C (52°F)
9°C (48°F)
6°C (43°F)
Monthly sun hours
128 hours
97 hours
71 hours
Monthly rainfall
75 mm (3 in)
81 mm (3.2 in)
89 mm (3.5 in)
Monthly rainy days
15 days
17 days
16 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Dublin County, in Ireland.

Popular cities in October

Day & night temperatures, rainfall and average weather in Dublin County in October.

City Weather Day temp Night temp Rainfall
Dublin 15°C (59°F) 9°C (48°F) 79 mm (3.1 in)
Swords 15°C (59°F) 9°C (48°F) 81 mm (3.2 in)
Dun Laoghaire 14°C (57°F) 9°C (48°F) 90 mm (3.5 in)
Rathgar 14°C (57°F) 8°C (46°F) 82 mm (3.2 in)
Cloghran 15°C (59°F) 9°C (48°F) 81 mm (3.2 in)
Clondalkin 14°C (57°F) 8°C (46°F) 80 mm (3.1 in)

Dublin County weather in October: frequently asked questions

What is the weather like in Dublin County, Ireland in October?

Expect tolerable weather across Dublin County, Ireland in October. The popular destination of Dublin averages 15°C (59°F) by day and 9°C (48°F) at night during this month.

What is the average temperature in Dublin County, Ireland in October?

In Dublin, the average daytime high in October is 15°C (59°F), while nighttime temperatures drop to around 9°C (48°F).

Does Dublin County, Ireland get a lot of rain in October?

October is on the drier side in Dublin County, Ireland. Dublin averages only about 79 mm (3.1 in), with most days staying dry.

Is October a Good Time to Visit Dublin County, Ireland?

In our opinion, October is a good time to visit Dublin County, Ireland with overall tolerable weather in Dublin. However, the weather conditions may vary depending on your destination.

Generally speaking, July and August provide perfect weather in Dublin. On the other hand, the weather in January, February and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Dublin County.

Weather and climate has detailed information for every country in the world. Are you going to Ireland? Get detailed historical weather averages for many cities in Ireland.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.