Dublin in October
In October, Dublin averages 14°C (57°F) during the day and 8°C (46°F) at night, with around 13 days of rain (80 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
October in Dublin is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How October compares to the rest of the year in Dublin
October is in the middle of the year for warmth in Dublin (6th of 12) and one of the wettest months (3rd of 12). Daytime temperature matches the city's annual average. October runs 4°C cooler than September (18°C) and cools 4°C in November (10°C).
October sunrise & sunset in Dublin
Times shown for Dublin local time (Europe/Dublin), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in Dublin — October
Golden-hour and blue-hour windows for the 15th of October, in Dublin's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Dublin in October
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (Shoulder) and Dublin's popularity.
Crowds & pricing — October in Dublin
Dublin is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — October in Dublin
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Dublin — October
Across the year Dublin's sea swings from 7.2°C (January) to 16.9°C (August) — October sits at 13.9°C.
Dublin in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 8°C / 46°F | 3°C / 37°F | 70 mm | 13 | 0 |
| February | 9°C / 48°F | 3°C / 37°F | 55 mm | 11 | 0 |
| March | 11°C / 52°F | 4°C / 39°F | 50 mm | 12 | 0 |
| April | 13°C / 55°F | 5°C / 41°F | 55 mm | 11 | 0 |
| May | 16°C / 61°F | 8°C / 46°F | 60 mm | 10 | 0 |
| June | 19°C / 66°F | 10°C / 50°F | 65 mm | 10 | 0 |
| July | 21°C / 70°F | 12°C / 54°F | 70 mm | 12 | 0 |
| August | 20°C / 68°F | 12°C / 54°F | 75 mm | 12 | 0 |
| September | 18°C / 64°F | 10°C / 50°F | 65 mm | 12 | 0 |
| October | 14°C / 57°F | 8°C / 46°F | 80 mm | 13 | 0 |
| November | 10°C / 50°F | 5°C / 41°F | 75 mm | 13 | 0 |
| December | 8°C / 46°F | 4°C / 39°F | 85 mm | 14 | 0 |
Other cities with similar October weather
🌍 See the full ranked list of climate twins for Dublin in October →
Frequently asked questions
How hot is Dublin in October?
In October, Dublin averages a high of 14°C (57°F) and a low of 8°C (46°F) — generally cool.
Does it rain a lot in Dublin in October?
October can be fairly wet in Dublin, with about 13 rainy days on average.
Is October a good time to visit Dublin?
October is cool. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Dublin in October?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full October packing list for Dublin for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.