Historical frost maps, where the temperature recorded is below 2oC, can show us just how variable frost risk can be.
The below maps include frost severity, which records the minimum temperature and frost occurrence and the number of days in a month or multiple months when the minimum temperature is below 2oC.
Frost severity and frost occurrence maps are for 1975 to 2019:
- July
- August
- September
- October
- August to October