Tonmawr Weather Forecast
- 11
- 15
Cloudy
- 7
- 17
Cloudy
- 4
- 13
Cloudy
- 4
- 12
Cloudy
- 6
- 13
Cloudy
- 5
- 11
Light rain shower
Tonmawr Temperature Statistics
May Temperature
St-athan (34km)
Lowest 2 May, 2026
7.3 °CAverage May
11.8 °CHighest 4 May, 2026
16.9 °C
Climate (2021–Present)
St-athan (34km)
Average Low 2021–2026
9 °CAverage 2021–2026
11.8 °CAverage High 2021–2026
14.6 °C