Climate almanac
Groton
Connecticut, United States · 41.35°, -72.08°
What is the weather like in Groton in August?
In August, Groton is typically 75°F (24°C) during the day and 69°F (21°C) at night. The month brings about 3.7 in (93 mm) of precipitation in total.
- Average high75°F (24°C)
- Average low69°F (21°C)
- Precipitation3.7 in (93 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)