Belfast in October
In October, Belfast averages 13°C (56°F) during the day and 9°C (47°F) at night, with frequent rain — about 15 days of the month see precipitation (94 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
October is one of the wetter and less comfortable months in Belfast. If your dates are flexible, consider a different time of year.
How October compares to the rest of the year in Belfast
October is in the middle of the year for warmth in Belfast (6th of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 1°C above the annual average (13°C). October runs 3°C cooler than September (16°C) and cools 3°C in November (10°C).
October sunrise & sunset in Belfast
Times shown for Belfast local time (Europe/London), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in Belfast — October
Golden-hour and blue-hour windows for the 15th of October, in Belfast's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Belfast 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 Belfast's popularity.
Crowds & pricing — October in Belfast
Belfast 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 Belfast
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.
Belfast in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 7°C / 45°F | 3°C / 38°F | 76 mm | 14 | — |
| February | 8°C / 46°F | 3°C / 38°F | 85 mm | 15 | — |
| March | 9°C / 49°F | 4°C / 38°F | 76 mm | 16 | — |
| April | 11°C / 52°F | 5°C / 41°F | 54 mm | 12 | — |
| May | 14°C / 58°F | 8°C / 46°F | 74 mm | 14 | — |
| June | 17°C / 63°F | 11°C / 51°F | 83 mm | 14 | — |
| July | 18°C / 65°F | 12°C / 54°F | 96 mm | 17 | — |
| August | 18°C / 64°F | 12°C / 54°F | 100 mm | 17 | — |
| September | 16°C / 61°F | 11°C / 51°F | 82 mm | 14 | — |
| October | 13°C / 56°F | 9°C / 47°F | 94 mm | 15 | — |
| November | 10°C / 50°F | 6°C / 42°F | 97 mm | 15 | — |
| December | 8°C / 47°F | 4°C / 40°F | 99 mm | 15 | — |
Other cities with similar October weather
🌍 See the full ranked list of climate twins for Belfast in October →
Frequently asked questions
How hot is Belfast in October?
In October, Belfast averages a high of 13°C (56°F) and a low of 9°C (47°F) — generally cool.
Does it rain a lot in Belfast in October?
October is quite rainy in Belfast, with about 15 rainy days on average.
Is October a good time to visit Belfast?
October is cool but on the rainy side. 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 Belfast in October?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full October packing list for Belfast for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.