United States · 1991–2020 normal
Mechanicsburg in
December.
Typical December weather in Mechanicsburg: 6.3°C by day, -2°C at night, 85 mm of rain over 8.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high6.3°C
Typical low-2°C
Rain85 mm
Wet days8.2
Comfort score 5 this month (September leads the year at 82). Daylight is calculated as 9 h 19 from latitude 40.21°.
Event window
Frost-level nights in December
The measured night-time normal is -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 5200657
- NOAA station
- USW00014751 · HARRISBURG CAPITAL CITY AP
- Station distance
- 13 km from the place centre
- Coverage
- Good coverage · 21 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.