Climate almanac
Lewiston
Maine, United States · 44.10°, -70.21°
What is the weather like in Lewiston in May?
In May, Lewiston is typically 64°F (18°C) during the day and 47°F (9°C) at night. The month brings about 3.1 in (78 mm) of precipitation in total. Snowfall averages about 0.2 in (4 mm) over the month.
- Average high64°F (18°C)
- Average low47°F (9°C)
- Precipitation3.1 in (78 mm)
- Clear or mostly clear days8
- Snowfall0.2 in (4 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)