Canada · 1991–2020 normal
Waterdown in
December.
Typical December weather in Waterdown: 2.9°C by day, -3.9°C at night, 56 mm of rain over 8.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high2.9°C
Typical low-3.9°C
Rain56 mm
Wet days8.5
Comfort score 5 this month (August leads the year at 85). Daylight is calculated as 8 h 59 from latitude 43.33°. Open-water sea temperature is 4.9°C (21 km from the place centre).
Event window
Frost-level nights in December
The measured night-time normal is -3.9°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 6176722
- NOAA station
- CA006153301 · HAMILTON RBG CS
- Station distance
- 4.6 km from the place centre
- Coverage
- Good coverage · 20 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.