The last frost in Pen Pumlumon-Arwystli, Wales was the night of the Wednesday 22/02/2023 to Thursday 23/02/2023, with a minimum air temperature of -1.0°C (30.2°F), and therefore a probable minimum ground temperature of around -4.0°C (24.8°F).
There are no frosts forecast for Pen Pumlumon-Arwystli in the next 5-days.