Pen-y-bryn Weather Forecast
- 9
- 9
Partly cloudy
- 9
- 10
Heavy rain
- 5
- 10
Heavy rain
- 4
- 8
Cloudy
- 8
- 10
Heavy rain
- 7
- 10
Cloudy
Today 13 Dec Wales
Bright to begin the weekend, though sunshine turning hazier through the day as cloud builds. Winds strengthening with coastal gales developing around Anglesey by evening. Dry during daylight hours. Maximum Temperature 11C.
Pen-y-bryn Temperature Statistics
December Temperature
Lake Vyrnwy Saws (32km)
Lowest 5 December, 2025
1.2 °CAverage December
7 °CHighest 9 December, 2025
13 °C
Climate (2020–Present)
Lake Vyrnwy Saws (32km)
Average Low 2020–2025
6.2 °CAverage 2020–2025
8.9 °CAverage High 2020–2025
11.7 °C