Climate almanac
Slave Lake
Alberta, Canada · 55.28°, -114.77°
What is the weather like in Slave Lake in May?
In May, Slave Lake is typically 64°F (18°C) during the day and 40°F (4°C) at night. The month brings about 2.2 in (56 mm) of precipitation in total. Snowfall averages about 0.5 in (14 mm) over the month.
- Average high64°F (18°C)
- Average low40°F (4°C)
- Precipitation2.2 in (56 mm)
- Clear or mostly clear days9
- Snowfall0.5 in (14 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)