Ireland (Dublin) · October
Best travel monthTravel seasonIreland · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 8° (46°)3– (37–)13 (55) | 9° (48°)3– (37–)13 (55) | 10° (50°)5– (41–)14 (57) | 12° (54°)7– (45–)17 (63) | 15° (59°)10– (50–)20 (68) | 18° (64°)12– (54–)23 (73) | 20° (68°)14– (57–)23 (73) | 19° (66°)14– (57–)22 (72) | 17° (63°)12– (54–)21 (70) | 14° (57°)10– (50–)18 (64) | 11° (52°)4– (39–)15 (59) | 9° (48°)3– (37–)14 (57) |
Ø night, range from coldest to warmest nightØ nightrange | 3° (37°)-3– (27–)9 (48) | 3° (37°)-3– (27–)9 (48) | 3° (37°)-3– (27–)9 (48) | 5° (41°)-2– (28–)9 (48) | 8° (46°)1– (34–)12 (54) | 10° (50°)4– (39–)15 (59) | 12° (54°)6– (43–)16 (61) | 12° (54°)6– (43–)16 (61) | 10° (50°)4– (39–)15 (59) | 8° (46°)1– (34–)13 (55) | 5° (41°)-2– (28–)12 (54) | 4° (39°)-3– (27–)10 (50) |
☀️Sunshine | 2h UV 1 | 3h UV 3 | 4h UV 4 | 5h UV 5 | 6h UV 6 | 6h UV 6 | 5h UV 6 | 5h UV 6 | 4h UV 4 | 3h UV 3 | 2h UV 2 | 1h UV 1 |
🌊Water Temp | 9° (48°) | 8° (46°) | 8° (46°) | 10° (50°) | 12° (54°) | 14° (57°) | 16° (61°) | 16° (61°) | 15° (59°) | 14° (57°) | 11° (52°) | 10° (50°) |
🌧Rain Days | 8d54mm (2.1") | 6d46mm (1.8") | 7d53mm (2.1") | 6d39mm (1.6") | 7d48mm (1.9") | 7d55mm (2.2") | 8d64mm (2.5") | 7d69mm (2.7") | 7d55mm (2.2") | 8d73mm (2.9") | 8d71mm (2.8") | 9d65mm (2.6") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
October is one of the best travel months for Ireland (Dublin) — conditions are stable, temperatures reach 14°C (57°F), and outdoor activities are excellent.
Daytime highs average 14°C (57°F), cooling to 8°C (46°F) at night (daily average: 11°C (52°F)). Peaks reach around 18°C (64°F), the coldest nights around 1°C (34°F). With 3 sunshine hours per day and 8 rain days (73 mm (2.9 in)), this is one of the cloudier months. At 14°C (57°F), the water is still quite cool in October — a wetsuit may be useful.
Layer up — warm days and cool evenings alternate. Perfect timing for hikes and sightseeing.
Autumn brings softer light, leaves in St Stephen's Green and more rainy days again. The city is calmer, hotel prices drop and Halloween has its roots in Ireland. In November the sun shines only an hour and a half a day on average.
Events & Festivals
- Dublin Theatre Festivallate September to mid-October (18 days)
International theatre festival with Irish and visiting productions at stages across the city.
Packing list for Ireland (Dublin) in October
- Warm jacket
- Jumpers and warm layers
- Long trousers
- Warm shoes
- Light umbrella or rain poncho
- Travel first-aid kit
Frequently Asked Questions
- Is October a good time to visit Ireland (Dublin)?
- Yes — October is one of the best months to visit Ireland (Dublin) (Climate Score: 38/100). Pleasant temperatures (14°C (57°F)), good sunshine (3 h/day), and few rain days (8) make it one of the most recommended months.
- How warm is it in Ireland (Dublin) in October?
- In October, Ireland (Dublin) sees daily highs of 14°C (57°F). Nights cool to 8°C (46°F), with a daily average of 11°C (52°F). Peaks reach around 18°C (64°F), the coldest nights around 1°C (34°F).
- How much rain falls in Ireland (Dublin) in October?
- In October, Ireland (Dublin) receives an average of 73 mm (2.9 in) of rain over 8 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Ireland (Dublin) get in October?
- Ireland (Dublin) averages 3 sunshine hours per day in October — below the annual average.
- How warm is the water in Ireland (Dublin) in October?
- Water temperature in Ireland (Dublin) in October averages 14°C (57°F) — still quite cool — a wetsuit may be useful.
