Climate almanac
Helena
Montana, United States · 46.59°, -112.04°
What is the weather like in Helena in March?
In March, Helena is typically 39°F (4°C) during the day and 21°F (-6°C) at night. The month brings about 1.7 in (43 mm) of precipitation in total. Snowfall averages about 8.8 in (222 mm) over the month.
- Average high39°F (4°C)
- Average low21°F (-6°C)
- Precipitation1.7 in (43 mm)
- Clear or mostly clear days7
- Snowfall8.8 in (222 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)