United States · 1991–2020 normal
Harristown in
December.
Typical December weather in Harristown: 4.6°C by day, -3.9°C at night, 60 mm of rain over 6.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high4.6°C
Typical low-3.9°C
Rain60 mm
Wet days6.6
Comfort score 5 this month (September leads the year at 81). Daylight is calculated as 9 h 21 from latitude 39.85°.
Event window
Frost-level nights in December
The measured night-time normal is -3.9°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4240306
- NOAA station
- USC00112193 · DECATUR WTP
- Station distance
- 11.7 km from the place centre
- Coverage
- Strong coverage · 29 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.