United States · 1991–2020 normal
Mount Morris in
December.
Typical December weather in Mount Morris: -0.5°C by day, -9.2°C at night, 45 mm of rain over 6.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-0.5°C
Typical low-9.2°C
Rain45 mm
Wet days6.7
Comfort score 5 this month (June leads the year at 77). Daylight is calculated as 8 h 53 from latitude 44.11°.
Event window
Frost-level nights in December
The measured night-time normal is -9.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5263682
- NOAA station
- USC00470742 · BERLIN WWTP
- Station distance
- 24.3 km from the place centre
- Coverage
- Good coverage · 17 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.