United States · 1991–2020 normal
Walnut in
December.
Typical December weather in Walnut: 1.7°C by day, -7.2°C at night, 42 mm of rain over 5.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high1.7°C
Typical low-7.2°C
Rain42 mm
Wet days5.4
Comfort score 5 this month (September leads the year at 83). Daylight is calculated as 9 h 11 from latitude 41.56°.
Event window
Frost-level nights in December
The measured night-time normal is -7.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4915397
- NOAA station
- USC00118916 · WALNUT
- Station distance
- 0.7 km from the place centre
- Coverage
- Good coverage · 24 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.