United States · 1991–2020 normal
Royalton in
December.
Typical December weather in Royalton: 6.1°C by day, -2.1°C at night, 87 mm of rain over 8.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high6.1°C
Typical low-2.1°C
Rain87 mm
Wet days8.4
Comfort score 5 this month (September leads the year at 79). Daylight is calculated as 9 h 19 from latitude 40.19°.
Event window
Frost-level nights in December
The measured night-time normal is -2.1°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5209232
- NOAA station
- USW00014711 · MIDDLETOWN HARRISBURG INTL AP
- Station distance
- 3.7 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.