Armagh weather in October 2026

Q: How warm is it in Armagh in October?

Daytime temperatures usually reach 13°C in Armagh in October, falling to 7°C at night.

Q: How sunny is it in Armagh in October?

There are normally 3 hours of bright sunshine each day in Armagh in October - that's 28% of daylight hours.

Q: How warm is the sea around Armagh in October?

The average sea temperature around Armagh in October is 13°C.

Q: Does it rain in Armagh in October?

There are usually 19 days with some rain in Armagh in October and the average monthly rainfall is 100mm.

Expect daytime maximum temperatures of 55°F in Armagh, Northern Ireland in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 20 days with some rainfall and typically 3.5 inches of rainfall in the month.

55
55°F max day temperature
3
3 hours of sunshine per day
20
20 days with some rainfall
45
45°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
3.5
3.5 inches of monthly rainfall
2
2 (Low) UV index

More about Armagh

Armagh by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Northern Ireland

Marriott discount code: up to 20% off hotel stays

Discount Code

Save up to 20% when you book long stays with Marriott
20% off - 4-6 nights, 15% off 3 nights
Book hotels in Europe, the Middle East & Africa

Show discount code

******UK8

Redeem Marriott discount code >>

View all Marriott offers

The October weather guide for Northern Ireland (Armagh) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)