United States · 1991–2020 normal
Mount Morris in
December.
Typical December weather in Mount Morris: 3°C by day, -4.8°C at night, 55 mm of rain over 9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high3°C
Typical low-4.8°C
Rain55 mm
Wet days9
Comfort score 5 this month (June leads the year at 79). Daylight is calculated as 9 h 03 from latitude 42.73°.
Event window
Frost-level nights in December
The measured night-time normal is -4.8°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5127766
- NOAA station
- USC00305597 · MT MORRIS 2W
- Station distance
- 2.6 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.