Climate almanac
Lewiston
Idaho, United States · 46.42°, -117.02°
What is the weather like in Lewiston in May?
In May, Lewiston is typically 71°F (21°C) during the day and 48°F (9°C) at night. The month brings about 1.7 in (43 mm) of precipitation in total.
- Average high71°F (21°C)
- Average low48°F (9°C)
- Precipitation1.7 in (43 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)