Rhos-y-gwaliau Weather Forecast
- 2
- 5
Cloudy
- 1
- 6
Light rain shower
- 0
- 4
Light rain shower
- 0
- 3
Partly cloudy
- -2
- 4
Partly cloudy
- 0
- 4
Cloudy
Today 31 Dec Wales
A frosty start to New Year's Eve with fog locally lingering until late morning. Elsewhere, plenty of winter sunshine. Cloud building into the evening with a breeze, but dry. Maximum Temperature 5C.
Rhos-y-gwaliau Temperature Statistics
December Temperature
Lake Vyrnwy Saws (17km)
Lowest 26 December, 2025
0.3 °CAverage December
5.6 °CHighest 9 December, 2025
13 °C
Climate (2020–Present)
Lake Vyrnwy Saws (17km)
Average Low 2020–2025
6.2 °CAverage 2020–2025
8.9 °CAverage High 2020–2025
11.7 °C