Climate almanac
Hyannis
Massachusetts, United States · 41.65°, -70.28°
What is the weather like in Hyannis in May?
In May, Hyannis is typically 56°F (14°C) during the day and 51°F (11°C) at night. The month brings about 4.0 in (101 mm) of precipitation in total.
- Average high56°F (14°C)
- Average low51°F (11°C)
- Precipitation4.0 in (101 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)