Glanllynfi Weather Forecast
- 6
- 11
Cloudy
- 6
- 11
Cloudy
- 7
- 9
Cloudy
- 10
- 10
Cloudy
- 9
- 12
Heavy rain
- 7
- 12
Cloudy
- 7
- 10
Light rain shower
Today 10 Dec Wales
A much brighter day with sunny spells across Wales. Some showers feeding in from the west, though fading into the afternoon. Winds easing a little, but still fairly breezy around coasts and the welsh hills. Feeling cooler than Tuesday. Maximum Temperature 12C.
Tonight 10 Dec Wales
Dry overnight. Clear periods at first, though some cloud later. Still breezy around coasts and hills. Feeling fresh by Thursday morning, perhaps with isolated patches of mist and fog in sheltered spots. Minimum Temperature 6C.
Glanllynfi Temperature Statistics
December Temperature
St-athan (26km)
Lowest 5 December, 2025
1.8 °CAverage December
9.8 °CHighest 7 December, 2025
14.3 °C
Climate (2020–Present)
St-athan (26km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
11.7 °CAverage High 2020–2025
14.5 °C