United States · 1991–2020 normal
Whippany in
December.
Typical December weather in Whippany: 6.1°C by day, -2.7°C at night, 108 mm of rain over 8.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high6.1°C
Typical low-2.7°C
Rain108 mm
Wet days8.7
Comfort score 5 this month (September leads the year at 80). Daylight is calculated as 9 h 15 from latitude 40.82°.
Event window
Frost-level nights in December
The measured night-time normal is -2.7°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5106365
- NOAA station
- USC00280907 · BOONTON 1 SE
- Station distance
- 7.7 km from the place centre
- Coverage
- Strong coverage · 25 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.