Climate almanac
Johnston
Iowa, United States · 41.67°, -93.70°
What is the weather like in Johnston in March?
In March, Johnston is typically 52°F (11°C) during the day and 32°F (0°C) at night. The month brings about 3.2 in (81 mm) of precipitation in total. Snowfall averages about 3.2 in (81 mm) over the month.
- Average high52°F (11°C)
- Average low32°F (0°C)
- Precipitation3.2 in (81 mm)
- Clear or mostly clear days9
- Snowfall3.2 in (81 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)