Climate almanac
Harwich
Massachusetts, US · 41.69°, -70.08°
What is the climate like in Harwich?
The best time to visit Harwich is typically June – August, with trip comfort peaking in August (6.9/10). Harwich is warmest in August, when daily highs average 71°F (22°C), and coolest in January, when lows fall to about 33°F (1°C). The wettest month is typically October and the driest is June; the year sees roughly 49 in of precipitation.
- Best time to visitJune – August — comfort peaks in August (6.9/10)
- Warmest monthAugust — average high 71°F (22°C)
- Coolest monthJanuary — average low 33°F (1°C)
- Wettest monthOctober (5.8 in)
- Driest monthJune (2.7 in)
- Annual precipitation49 in