Month guide · Dublin · Ireland
Dublin in October
What October is really like in Dublin: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Andreas F. Borchert, CC BY-SA 4.0
Quick answer
October is a shoulder-season month. Expect average highs of 14°C (57°F), lows of 7°C (45°F), about 12 rainy days and roughly 10.4 hours of daylight. Autumn colour in Phoenix Park and Halloween events, a festival with roots in the Celtic Samhain.
Key facts
- Average high / low
- 14°C (57°F) / 7°C (45°F)
- Rainy days
- About 12
- Daylight
- About 10.4 hours
- Sea temperature
- 13°C (55°F)
- Crowds
- Moderate
- Hotel prices
- Average
Weather in October
October is the 6th-warmest month in Dublin: days average 14°C (57°F) against a yearly average high of 13°C (55°F), and nights fall to about 7°C (45°F). Rain falls on roughly 12 of its 31 days. Compared with September (17°C (63°F)), October is cooler; by November highs drop to around 10°C (50°F).
- Sunrise (15 October)
- About 07:52
- Sunset (15 October)
- About 18:29
- Daylight
- About 10.4 hours
- Sea
- 13°C (55°F)
Autumn (September–November). Theatre and Fringe festivals, the Dublin Marathon and Halloween; increasingly wet and windy by November.
Crowds and prices
On a 1–5 scale, October rates 3 for crowds (the peak is July at 5) and 3 for hotel prices (highest in July). Prices sit in the middle of the year's range.
Events in October
- Dublin Marathon (usually last Sunday of October)
- Bram Stoker Festival around Halloween (late October)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in October
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Museum · Dublin Castle
Chester Beatty
In the grounds of Dublin Castle, this free museum shows the collection of mining magnate Sir Alfred Chester Beatty: illuminated Qurans, early Christian papyri, Japanese woodblock prints and Chinese jade books.
- Time needed
- 1–1.5 hours
- Cost
- Free
- Free
- Art
- Rainy day
- Off the beaten path
- History
Palace · Dublin Castle
Dublin Castle
Take the guided tour if you want to see the underground medieval and Viking remains; self-guided entry covers the State Apartments only.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- History
- Architecture
- Rainy day

Religious site · The Liberties
St Patrick's Cathedral
Ireland's largest cathedral was built in the 13th century beside a well where St Patrick is said to have baptised converts.
- Time needed
- 1 hour
- Cost
- Low cost
- History
- Architecture
- Rainy day

Religious site · Temple Bar
Christ Church Cathedral
Cross the covered bridge to Dublinia, a hands-on Viking and medieval exhibition that children enjoy; combined tickets are usually available.
- Time needed
- 1 hour
- Cost
- Low cost
- History
- Architecture
- Kids
- Rainy day
What to pack
For highs near 14°C, lows near 7°C and 12 wet days: layers, a warm sweater and a jacket for cool evenings; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is October a good time to visit Dublin?
A shoulder-season month, with 2 notable events on the calendar. If your dates are flexible, May–September are better overall. Compare every month.
Dublin in other months
Questions travellers ask
+Is October a good time to visit Dublin?
It is a shoulder-season month. Autumn colour in Phoenix Park and Halloween events, a festival with roots in the Celtic Samhain.
+How warm is Dublin in October?
Average highs are around 14°C (57°F) and lows around 7°C (45°F).
+Does it rain a lot in Dublin in October?
Expect rain on about 12 days of the month, so pack for wet weather.