Climate almanac
Gaithersburg
Maryland, United States · 39.14°, -77.20°
What is the weather like in Gaithersburg in January?
In January, Gaithersburg is typically 43°F (6°C) during the day and 29°F (-1°C) at night. The month brings about 3.3 in (84 mm) of precipitation in total. Snowfall averages about 5.9 in (151 mm) over the month.
- Average high43°F (6°C)
- Average low29°F (-1°C)
- Precipitation3.3 in (84 mm)
- Clear or mostly clear days9
- Snowfall5.9 in (151 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)