Climate almanac
Smiths Falls
Ontario, Canada · 44.90°, -76.02°
What is the weather like in Smiths Falls in May?
In May, Smiths Falls is typically 66°F (19°C) during the day and 46°F (8°C) at night. The month brings about 3.6 in (90 mm) of precipitation in total. Snowfall averages about 0.1 in (3 mm) over the month.
- Average high66°F (19°C)
- Average low46°F (8°C)
- Precipitation3.6 in (90 mm)
- Clear or mostly clear days8
- Snowfall0.1 in (3 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)