United States · 1991–2020 normal
Mount Vernon in
December.
Typical December weather in Mount Vernon: 7.4°C by day, -1.3°C at night, 107 mm of rain over 9.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high7.4°C
Typical low-1.3°C
Rain107 mm
Wet days9.5
Comfort score 5 this month (September leads the year at 81). Daylight is calculated as 9 h 32 from latitude 38.03°.
Event window
Frost-level nights in December
The measured night-time normal is -1.3°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4301702
- NOAA station
- USW00093820 · LEXINGTON BLUEGRASS AP
- Station distance
- 10.2 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.