Llanystumdwy Weather Forecast
- 10
- 14
Cloudy
- 11
- 19
Sunny day
- 13
- 23
Sunny day
- 13
- 23
Sunny day
- 13
- 23
Sunny day
- 13
- 21
Sunny day
Today 23 May Wales
Any early cloud retreating back to western coasts giving way to a dry and sunny day for most. Feeling very warm in the sunshine, although a little fresher near coasts. Maximum temperature 25 °C.
Llanystumdwy Temperature Statistics
May Temperature
Capel Curig Saws (29km)
Lowest 11 May, 2026
1.9 °CAverage May
9.3 °CHighest 2 May, 2026
15 °C
Climate (2021–Present)
Capel Curig Saws (29km)
Average Low 2021–2026
6.9 °CAverage 2021–2026
9.9 °CAverage High 2021–2026
12.7 °C