Climate almanac
Monmouth
Illinois, United States · 40.91°, -90.65°
What is the weather like in Monmouth in June?
In June, Monmouth is typically 85°F (30°C) during the day and 66°F (19°C) at night. The month brings about 4.3 in (110 mm) of precipitation in total.
- Average high85°F (30°C)
- Average low66°F (19°C)
- Precipitation4.3 in (110 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)