Climate almanac
Round Rock
Texas, United States · 30.51°, -97.68°
What is the weather like in Round Rock in January?
In January, Round Rock is typically 62°F (17°C) during the day and 42°F (5°C) at night. The month brings about 2.1 in (53 mm) of precipitation in total. Snowfall averages about 0.4 in (9 mm) over the month.
- Average high62°F (17°C)
- Average low42°F (5°C)
- Precipitation2.1 in (53 mm)
- Clear or mostly clear days14
- Snowfall0.4 in (9 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)