Climate almanac
Harwich
Massachusetts, United States · 41.69°, -70.08°
What is the weather like in Harwich in January?
In January, Harwich is typically 40°F (5°C) during the day and 33°F (1°C) at night. The month brings about 5.1 in (128 mm) of precipitation in total. Snowfall averages about 5.9 in (151 mm) over the month.
- Average high40°F (5°C)
- Average low33°F (1°C)
- Precipitation5.1 in (128 mm)
- Clear or mostly clear days7
- Snowfall5.9 in (151 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)