Climate almanac
London
Ontario, Canada · 42.98°, -81.23°
What is the weather like in London in April?
In April, London is typically 54°F (12°C) during the day and 37°F (3°C) at night. The month brings about 4.1 in (104 mm) of precipitation in total. Snowfall averages about 2.4 in (61 mm) over the month.
- Average high54°F (12°C)
- Average low37°F (3°C)
- Precipitation4.1 in (104 mm)
- Clear or mostly clear days6
- Snowfall2.4 in (61 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)