Canada · 1991–2020 normal
Alliston in
December.
Typical December weather in Alliston: 1°C by day, -5.8°C at night, 61 mm of rain over 10.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high1°C
Typical low-5.8°C
Rain61 mm
Wet days10.6
Comfort score 5 this month (June leads the year at 80). Daylight is calculated as 8 h 53 from latitude 44.15°.
Event window
Frost-level nights in December
The measured night-time normal is -5.8°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5884051
- NOAA station
- CA006110218 · ALLISTON NELSON
- Station distance
- 0 km from the place centre
- Coverage
- Good coverage · 16 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.