Climate almanac
Rock Springs
Wyoming, United States · 41.59°, -109.20°
What is the weather like in Rock Springs in December?
In December, Rock Springs is typically 32°F (0°C) during the day and 15°F (-9°C) at night. The month brings about 0.9 in (23 mm) of precipitation in total. Snowfall averages about 5.7 in (145 mm) over the month.
- Average high32°F (0°C)
- Average low15°F (-9°C)
- Precipitation0.9 in (23 mm)
- Clear or mostly clear days7
- Snowfall5.7 in (145 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)