Climate almanac
Longmont
Colorado, United States · 40.17°, -105.10°
What is the weather like in Longmont in March?
In March, Longmont is typically 56°F (14°C) during the day and 29°F (-2°C) at night. The month brings about 2.1 in (54 mm) of precipitation in total. Snowfall averages about 7.9 in (201 mm) over the month.
- Average high56°F (14°C)
- Average low29°F (-2°C)
- Precipitation2.1 in (54 mm)
- Clear or mostly clear days12
- Snowfall7.9 in (201 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)