Climate almanac
Holliston
Massachusetts, United States · 42.20°, -71.42°
What is the weather like in Holliston in July?
In July, Holliston is typically 84°F (29°C) during the day and 67°F (19°C) at night. The month brings about 4.2 in (106 mm) of precipitation in total.
- Average high84°F (29°C)
- Average low67°F (19°C)
- Precipitation4.2 in (106 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)