East Harwich (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit East Harwich.
Climate overview of East Harwich
East Harwich, Massachusetts, United States of America, sees big temperature differences between seasons, with July peaking at 26°C (79°F) and February dropping to 4°C (39°F).
Rain/snowfall is high, totalling around 1207 mm (48 in) per year. December is the wettest month and August the driest. The city also experiences warm summers and cold winters. July is the sunniest month, averaging 10.0 hours of sunshine per day.
East Harwich Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in East Harwich - and find the best time to visit.
Monthly Temperature in East Harwich
Visitors to East Harwich can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in July, the warmest time of the year, to a chilly 4°C (39°F) during cooler months like February.
At night, you can expect temperatures ranging from 19°C (66°F) in July to around -4°C (25°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in East Harwich
East Harwich is known for its substantial rain/snowfall, with annual precipitation reaching 1207 mm (48 in). While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 135 mm (5.3 in) of precipitation, spread over 14 rainy days.
In contrast, the driest month August experiences a drier climate, with about 74 mm (2.9 in) of rainfall spread across 9 rainy days. For more details, please visit our East Harwich Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in East Harwich
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
Daily hours of sunshine
Best Time to Visit East Harwich
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July, August and September
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: February, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in East Harwich
What is the best time to visit East Harwich?
June, July, August and September typically offer the most optimal weather in East Harwich. In contrast, January, February, March, November and December tend to have less optimal conditions. East Harwich has warm summers and cold winters.
What temperatures can I expect in East Harwich?
Daytime highs range from 4°C (39°F) in February to 26°C (79°F) in July. Nighttime lows range from -4°C (25°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does East Harwich get?
Annual rainfall is around 1207 mm (48 in). December is the wettest month with 135 mm (5.3 in), while August is the driest with 74 mm (2.9 in).
How sunny is East Harwich?
East Harwich receives around 2,605 hours of sunshine per year. July is the sunniest month with 301 hours, while January is the cloudiest with just 147 hours. Overall, East Harwich enjoys abundant sunshine.
East Harwich 3-Day Forecast
East Harwich (MA) 3-Day Forecast
East Harwich on the map
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