United States · 1991–2020 normal
Bannockburn in
December.
Typical December weather in Bannockburn: 2.5°C by day, -5°C at night, 44 mm of rain over 6.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high2.5°C
Typical low-5°C
Rain44 mm
Wet days6.1
Comfort score 5 this month (September leads the year at 88). Daylight is calculated as 9 h 07 from latitude 42.19°. Open-water sea temperature is 5.3°C (20 km from the place centre).
Event window
Frost-level nights in December
The measured night-time normal is -5°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4884038
- NOAA station
- USW00004838 · CHICAGO PALWAUKEE AP
- Station distance
- 8.7 km from the place centre
- Coverage
- Good coverage · 23 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.