Sun, sea & sand

Llanfairpwllgwyngyll weather in October

Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.

5

Holiday weather in October

Poor

Best time to visit: April – August

What is the weather like in Llanfairpwllgwyngyll in October?

In October, Llanfairpwllgwyngyll is cool: daytime highs average 14 °C, and nights cool down to about 10 °C. The sea averages 14.2 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. It rains often – on about 16 days, adding up to 106 mm. It is often windy, with gusts of around 29 km/h. All in all, October is not an ideal month for a holiday in Llanfairpwllgwyngyll.

October compared

How the weather changes from September to November. Tap a month to open it.

SeptemberSepOctoberOctNovemberNov
Score1452
Day16°14°10°
Night12°10°7°
Sea16°14°12°
Sun5 h4 h2 h
Rain days131617

More details for October

Daylight
10 h 42 min07:41 – 18:24
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
29 km/haverage daily peakAll months
Cloud cover
73 %on averageAll months
Hot days
0 days30 °C or more
Time zone
UTC+1Europe/London

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %8 %
  • Few rainy daysweight 20 %18 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • A jumper for the evenings
  • Rain jacket or umbrella
  • Windproof jacket

Llanfairpwllgwyngyll in October: quick answers

Is Llanfairpwllgwyngyll hot in October?

No. In October, Llanfairpwllgwyngyll is cool: daytime highs average 14 °C and nights drop to about 10 °C.

Can you swim in Llanfairpwllgwyngyll in October?

Only if you don't mind cold water: in October the sea averages just 14.2 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Llanfairpwllgwyngyll in October?

It rains often – on about 16 days, adding up to 106 mm.

Llanfairpwllgwyngyll month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences