United States · 1991–2020 normal
Royalston in
December.
Typical December weather in Royalston: 3°C by day, -6.7°C at night, 89 mm of rain over 8.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high3°C
Typical low-6.7°C
Rain89 mm
Wet days8.5
Comfort score 5 this month (September leads the year at 76). Daylight is calculated as 9 h 03 from latitude 42.68°.
Event window
Frost-level nights in December
The measured night-time normal is -6.7°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4949161
- NOAA station
- USC00198573 · TULLY LAKE
- Station distance
- 5.2 km from the place centre
- Coverage
- Strong coverage · 26 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.