Climate almanac
Sidney
Montana, United States · 47.72°, -104.16°
What is the weather like in Sidney in January?
In January, Sidney is typically 27°F (-3°C) during the day and 11°F (-12°C) at night. The month brings about 0.5 in (12 mm) of precipitation in total. Snowfall averages about 2.8 in (72 mm) over the month.
- Average high27°F (-3°C)
- Average low11°F (-12°C)
- Precipitation0.5 in (12 mm)
- Clear or mostly clear days8
- Snowfall2.8 in (72 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)