United States · 1991–2020 normal
Royersford in
December.
Typical December weather in Royersford: 6.4°C by day, -2.6°C at night, 98 mm of rain over 8.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high6.4°C
Typical low-2.6°C
Rain98 mm
Wet days8.5
Comfort score 5 this month (September leads the year at 78). Daylight is calculated as 9 h 19 from latitude 40.18°.
Event window
Frost-level nights in December
The measured night-time normal is -2.6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5209240
- NOAA station
- USW00054782 · HERITAGE FLD AP
- Station distance
- 6.2 km from the place centre
- Coverage
- Good coverage · 22 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.