Mid-autumn · Weather & things to do
Dublin in October
Dublin cools off: highs slip to 56°F (14°C), from 61°F in September, with lows of 49°F (9°C) and about 4.0 in (102 mm) of rain.
It scores 64/100 for comfort, 6th of 12, which makes it a solid shoulder-season month.
- Avg high
- 56°F (14°C)
- Avg low
- 49°F (9°C)
- Rain
- 4.0 in (102 mm)
- Humidity
- 88%
- Cloud cover
- 74%
- Daylight
- ~10 h 15 min
- Comfort score
- 64/100 · Good
What October feels like
Expect mild afternoons around 56°F (14°C), good for long walks.
Lows average 49°F (9°C).
Showers are part of the month, adding up to about 4.0 in (102 mm).
Plan around October
October is shoulder season: good weather, a step below the best months (June – September).
- Start of the wettest three-month stretch (October – December), which brings about 12.0 in (305 mm) in total.
- Comfort slips from 76/100 in September to 64/100.
- Our Dublin to the Wild Atlantic Way route recommends May – Sep, so October falls outside its suggested window.
What to pack for October
- A warm layer for eveningsnights drop to 49°F
- Packable rain jacket or umbrellaabout 4.0 in of rain
- Comfortable walking shoesmost picks involve some walking
What to do in Dublin in October
With conditions on your side, the picks below favor time outside.
National Museum of Ireland – Archaeology
Celtic gold, Viking finds and preserved bog bodies. Free entry.
Why now Our curated notes list it for "rainy day", which suits a wetter month.
Kilmainham Gaol
Former prison where leaders of the 1916 Rising were executed; guided tours only.
The Long Hall
Victorian pub with dark wood, mirrors and chandeliers, unchanged in decades.
Howth Cliff Walk
Loop around Howth Head with sea views and a lighthouse, 30 minutes by DART.
Why now October scores 64/100 for comfort, good conditions for being outside.
Glendalough
Monastic site and twin lakes in the Wicklow Mountains, about an hour south.
Why now Highs near 56°F and 4.0 in of monthly rain make this an easy outdoor pick.
Nearby in October
- Galway in October~116 mi · highs 56°F, 4.1 in rain · similar daytime temperatures, about as wet
- Doolin & the Cliffs of Moher in October~131 mi · highs 56°F, 4.6 in rain · similar daytime temperatures, wetter
- Connemara in October~155 mi · highs 56°F, 5.1 in rain · similar daytime temperatures, wetter
- The Cotswolds in October~213 mi · highs 57°F, 3.2 in rain · similar daytime temperatures, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Dublin in October: quick answers
Is October a good time to visit Dublin?
It's a good shoulder-season choice, scoring 64/100 against a best of 79 in June – September. Expect highs of 56°F (14°C) and 4.0 in (102 mm) of rain. Our Dublin to the Wild Atlantic Way route recommends May – Sep, so October is outside its suggested window.
How cold is Dublin in October?
Average highs are 56°F (14°C) and average lows 49°F (9°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in Dublin in October?
Some: about 4.0 in (102 mm) of rain falls across October on average, the 2nd-wettest month of the year. The annual total is about 38.7 in (982 mm).
What should I pack for Dublin in October?
Bring a warm layer for evenings (nights drop to 49°F), packable rain jacket or umbrella (about 4.0 in of rain) and comfortable walking shoes (most picks involve some walking).
Planning Dublin in October?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.