Helena Valley West Central

What is the weather like in Helena Valley West Central in December?

In December, Helena Valley West Central is typically 33°F (1°C) during the day and 18°F (-8°C) at night. The month brings about 1.2 in (31 mm) of precipitation in total. Snowfall averages about 7.3 in (186 mm) over the month.

• Average high33°F (1°C)
• Average low18°F (-8°C)
• Precipitation1.2 in (31 mm)
• Clear or mostly clear days5
• Snowfall7.3 in (186 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)