Climate almanac
Mount Vernon
Illinois, United States · 38.32°, -88.90°
What is the weather like in Mount Vernon in June?
In June, Mount Vernon is typically 87°F (31°C) during the day and 69°F (21°C) at night. The month brings about 3.5 in (88 mm) of precipitation in total.
- Average high87°F (31°C)
- Average low69°F (21°C)
- Precipitation3.5 in (88 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)