Climate almanac
Saint Johns
Missouri, United States · 38.71°, -90.34°
What is the weather like in Saint Johns in December?
In December, Saint Johns is typically 47°F (8°C) during the day and 31°F (0°C) at night. The month brings about 2.4 in (60 mm) of precipitation in total. Snowfall averages about 1.5 in (38 mm) over the month.
- Average high47°F (8°C)
- Average low31°F (0°C)
- Precipitation2.4 in (60 mm)
- Clear or mostly clear days8
- Snowfall1.5 in (38 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)