United States · 1991–2020 normal
Thermopolis in
December.
Typical December weather in Thermopolis: 3°C by day, -10.9°C at night, 9 mm of rain over 2.3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high3°C
Typical low-10.9°C
Rain9 mm
Wet days2.3
Comfort score 5 this month (September leads the year at 78). Daylight is calculated as 8 h 57 from latitude 43.65°.
Event window
Frost-level nights in December
The measured night-time normal is -10.9°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5840846
- NOAA station
- USC00488875 · THERMOPOLIS
- Station distance
- 0.7 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.