Climate almanac

Harwich

Massachusetts, US · 41.69°, -70.08°

+ Compare

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