What is Bannau Brycheiniog (Brecon Beacons) mountain weather like in October?

Typical mountain and low-level wind, temperature and rainfall for October, based on 40 years of weather history.

40-year mountain climate

Typical high-ground conditions in October.

Historically, October has been a mixed and often challenging month on the high ground. Of 1,240 representative high-ground days, 18% were excellent or good, 61% were average, and 21% were poor or severe.

Dry days accounted for 52% of the sample, while extensive cloud affected 60%. These figures describe representative high ground around 886 metres, so coastal and low-level conditions can be milder.

Brynich Villa for a October trip to Bannau Brycheiniog (Brecon Beacons)
October stays on Bannau Brycheiniog (Brecon Beacons)

Brynich Villa

Brecon · Sleeps 12

Indicative catalogue price £1,116 for 7 nightsExact October prices and availability are checked after you choose a week.
Excellent or good18%Historically dry52%High-ground temperature6.0°CTypical maximum gust29 mphStronger days around 38 mph
Plan beyond the forecast

Choose an area and week.

Saturday dates are highlighted because they usually unlock the widest choice of seven-night cottage stays. Other arrival days still work.

Typical conditions, not a forecastThis describes representative high ground. A difficult hill day can still be suitable for a lower-level plan.
Week 41 · 10 October

What this week is typically like on Bannau Brycheiniog (Brecon Beacons) high ground.

Across 280 comparable historical hill days, 20% were excellent or good and 12% were poor or severe.

Check the live Bannau Brycheiniog (Brecon Beacons) forecast →
Historically excellent or good20%280 comparable days
Excellent5%Good15%Average68%Poor11%Severe1%
Historically dry66% of daysTypical daily max gust27 mphStronger days around 34 mphTypical high ground6.3°C24-hour mean near 886 mExtensive cloud62% of days

October context: 18% of days across the month were excellent or good; 21% were poor or severe. Read the full October guide.

Valley and low level for this week

Around Brecon.

Representative base · 135 m
Typical daily high14.2°CWarmer days 15.9°CHistorically dry66%63% dry with lighter windMaximum wind12 mphStronger days 15 mphTypical overnight low8.7°CCooler nights 6.1°C
Valleys and trip bases

Low-level weather around Brecon in October.

Brecon, at roughly 135 metres, provides a practical low-level reference for Bannau Brycheiniog (Brecon Beacons). Across 1,240 historical days, the typical daytime high was 13.6°C, with warmer days around 15.5°C.

About 52% of days were dry and 50% combined dry weather with lighter winds. Conditions vary across glens, coasts and villages, so this should be used as regional trip-planning guidance rather than a forecast for every location.

Typical daily high13.6°CWarmer days around 15.5°CTypical overnight low8.3°CCooler nights around 5.6°CHistorically dry52%13% had 10 mm+ rainTypical maximum wind13 mphStronger days around 17 mph
January to December

Bannau Brycheiniog (Brecon Beacons) weather by month.

Each month has a detailed guide comparing high-ground hill days with typical conditions at a representative valley or low-level trip base.

20 mountain areas

Compare another part of the UK.

Each page includes weekly and monthly high-ground and low-level climate summaries, a highlighted Saturday planner and nearby accommodation.