United States · 1991–2020 normal

Monticello in
December.

Typical December weather in Monticello: 2.4°C by day, -9°C at night, 33 mm of rain over 4.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high2.4°C
Typical low-9°C
Rain33 mm
Wet days4.2

Comfort score 5 this month (June leads the year at 79). Daylight is calculated as 9 h 33 from latitude 37.87°.

Event window

Frost-level nights in December

The measured night-time normal is -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 5543377
NOAA station
USC00425805 · MONTICELLO 2E
Station distance
3.1 km from the place centre
Coverage
Good coverage · 20 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.