Climate almanac
Boston
New York, United States · 42.63°, -78.74°
What is the weather like in Boston in May?
In May, Boston is typically 67°F (19°C) during the day and 50°F (10°C) at night. The month brings about 3.5 in (88 mm) of precipitation in total.
- Average high67°F (19°C)
- Average low50°F (10°C)
- Precipitation3.5 in (88 mm)
- Clear or mostly clear days7
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)