Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

East Harwich (MA) Weather and Climate: A Comprehensive Guide

The temperature in East Harwich can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It also has a notably wet climate with much precipitation. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

Visitors to East Harwich can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 26°C in July, the warmest time of the year, to a chilly 4°C during cooler months like February.

At night, temperatures typically drop to an average of around -4°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

East Harwich is known for its substantial rain/snowfall, with annual precipitation reaching 1207 mm. While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 135 mm of precipitation, spread over 14 rainy days.

In contrast, August experiences a drier climate, with about 74 mm of rainfall spread across 9 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in East Harwich. While July receives considerable daily sunshine with up to 10.0 hours, January marks the darkest time of the year, where sunshine is scarce with only 4.9 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Nantucket, the United States of America (46 KM, 29 Miles).

Daily hours of sunshine

Data from: Nantucket, the United States of America (46 KM, 29 Miles).

Forecast for East Harwich (MA)

Sun   Dec 22
-4°C | -8°C
NW 4 m/s
1.9 mm
overcast and  chance of slight snow

overcast and chance of slight snow

Mon   Dec 23
1°C | -6°C
SW 2 m/s
partly cloudy and no rain

partly cloudy and no rain

Tue   Dec 24
6°C | 0°C
W 2 m/s
0.7 mm
overcast and slight rain

overcast and slight rain

The best time of year to visit East Harwich in the United States of America

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in East Harwich?
    July has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in East Harwich?
    The coldest month is February with an average maximum temperature of 4°C.
  • Which is the wettest month in East Harwich?
    December tops the wettest month list with 135 mm of rainfall.
  • Which is the driest month in East Harwich?
    August is the driest month with 74 mm of precipitation.
  • Which is the sunniest month in East Harwich?
    July is the sunniest month with an average of 301 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.