United States · 1991–2020 normal
Vandalia in
December.
Typical December weather in Vandalia: 4.8°C by day, -3.9°C at night, 67 mm of rain over 7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high4.8°C
Typical low-3.9°C
Rain67 mm
Wet days7
Comfort score 5 this month (September leads the year at 79). Daylight is calculated as 9 h 27 from latitude 38.96°.
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 4251917
- NOAA station
- USC00118781 · VANDALIA
- Station distance
- 0.3 km from the place centre
- Coverage
- Good coverage · 21 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.