Trefor Weather Forecast
- 12
- 18
Partly cloudy
- 7
- 18
Light rain shower
- 8
- 17
Sunny day
- 15
- 21
Cloudy
- 12
- 19
Light rain shower
- 11
- 17
Light rain shower
- 11
- 17
Partly cloudy
Today 26 Sep Wales
Any mist soon clearing leaving a dry day for most with pleasantly warm sunny spells. A few showers are possible, mainly in the northwest where it will be rather breezy. Maximum temperature 20 °C.
Trefor Temperature Statistics
September Temperature
Valley (7km)
Lowest 24 September, 2026
8.8 °CAverage September
16 °CHighest 6 September, 2026
21.7 °C
Climate (2021–2026)
Valley (7km)
Average Low 2021–2026
9.1 °CAverage 2021–2026
11.6 °CAverage High 2021–2026
14 °C