Climate almanac
Ottawa
Illinois, United States · 41.35°, -88.84°
What is the weather like in Ottawa in April?
In April, Ottawa is typically 63°F (17°C) during the day and 42°F (6°C) at night. The month brings about 4.4 in (112 mm) of precipitation in total. Snowfall averages about 1.4 in (35 mm) over the month.
- Average high63°F (17°C)
- Average low42°F (6°C)
- Precipitation4.4 in (112 mm)
- Clear or mostly clear days8
- Snowfall1.4 in (35 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)