United States · 1991–2020 normal
Royal City in
December.
Typical December weather in Royal City: 4.5°C by day, -3.4°C at night, 30 mm of rain over 6.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high4.5°C
Typical low-3.4°C
Rain30 mm
Wet days6.6
Comfort score 5 this month (May leads the year at 85). Daylight is calculated as 8 h 32 from latitude 46.90°.
Event window
Frost-level nights in December
The measured night-time normal is -3.4°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5808939
- NOAA station
- USC00457727 · SMYRNA
- Station distance
- 7.6 km from the place centre
- Coverage
- Good coverage · 17 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.