United States · 1991–2020 normal
Zion in
December.
Typical December weather in Zion: 1.9°C by day, -5.9°C at night, 52 mm of rain over 6.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high1.9°C
Typical low-5.9°C
Rain52 mm
Wet days6.8
Comfort score 5 this month (June leads the year at 80). Daylight is calculated as 9 h 05 from latitude 42.45°. Open-water sea temperature is 5.3°C (9 km from the place centre).
Event window
Frost-level nights in December
The measured night-time normal is -5.9°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4917358
- NOAA station
- USW00014880 · CHICAGO WAUKEGAN RGNL AP
- Station distance
- 3.4 km from the place centre
- Coverage
- Good coverage · 22 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.