United States · 1991–2020 normal
Clarkson Valley in
December.
Typical December weather in Clarkson Valley: 7.3°C by day, -3.2°C at night, 61 mm of rain over 6.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high7.3°C
Typical low-3.2°C
Rain61 mm
Wet days6.5
Comfort score 5 this month (September leads the year at 78). Daylight is calculated as 9 h 29 from latitude 38.62°.
Event window
Frost-level nights in December
The measured night-time normal is -3.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4381423
- NOAA station
- USW00003966 · ST LOUIS SPIRIT OF ST LOUIS AP
- Station distance
- 7.2 km from the place centre
- Coverage
- Strong coverage · 27 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.