United States · 1991–2020 normal
Rock Springs in
December.
Typical December weather in Rock Springs: 0.7°C by day, -10.2°C at night, 15 mm of rain over 3.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high0.7°C
Typical low-10.2°C
Rain15 mm
Wet days3.7
Comfort score 5 this month (September leads the year at 82). Daylight is calculated as 9 h 11 from latitude 41.59°.
Event window
Frost-level nights in December
The measured night-time normal is -10.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5836898
- NOAA station
- USC00487847 · ROCK SPRINGS FIRE DEPT
- Station distance
- 3.2 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.