The last frost in Llyn Tegid, Wales was the night of the Tuesday 02/03/2021 to Wednesday 03/03/2021, with a minimum air temperature of 0.0°C (32.0°F), and therefore a probable minimum ground temperature of around -3.0°C (26.6°F).
There are no frosts forecast for Llyn Tegid in the next 5-days.