United States · 1991–2020 normal
Harrisburg in
December.
Typical December weather in Harrisburg: 10.1°C by day, -0.3°C at night, 112 mm of rain over 6.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high10.1°C
Typical low-0.3°C
Rain112 mm
Wet days6.7
Comfort score 13 this month (September leads the year at 75). Daylight is calculated as 9 h 46 from latitude 35.56°.
Event window
Frost-level nights in December
The measured night-time normal is -0.3°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4113951
- NOAA station
- USC00035831 · POINSETT SP
- Station distance
- 4.5 km from the place centre
- Coverage
- Good coverage · 18 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.