United States · 1991–2020 normal
Lyons in
December.
Typical December weather in Lyons: 6.5°C by day, -5.2°C at night, 27 mm of rain over 3.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high6.5°C
Typical low-5.2°C
Rain27 mm
Wet days3.2
Comfort score 6 this month (September leads the year at 82). Daylight is calculated as 9 h 30 from latitude 38.35°.
Event window
Frost-level nights in December
The measured night-time normal is -5.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4274927
- NOAA station
- USC00147796 · STERLING
- Station distance
- 14.6 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.