Climate almanac
Boise
Idaho, United States · 43.61°, -116.20°
What is the weather like in Boise in May?
In May, Boise is typically 75°F (24°C) during the day and 50°F (10°C) at night. The month brings about 1.4 in (36 mm) of precipitation in total. Snowfall averages about 0.2 in (6 mm) over the month.
- Average high75°F (24°C)
- Average low50°F (10°C)
- Precipitation1.4 in (36 mm)
- Clear or mostly clear days14
- Snowfall0.2 in (6 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)