Harwich Port (MA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Harwich Port.

Climate overview of Harwich Port

Temperatures in Harwich Port, Massachusetts, United States of America, vary greatly throughout the year. July is the hottest month at 26°C (79°F), while February is the coldest at 4°C (39°F).

The city receives considerable rain/snowfall, with around 1212 mm (48 in) annually. December is the wettest month. The most sunshine falls in July, with an average of 10.0 hours of daily sunshine.

Harwich Port Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Harwich Port — and find the best time to visit.

Monthly Temperature in Harwich Port

The climate in Harwich Port is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 26°C (79°F) in July to a chilly 4°C (39°F) in the coolest month, February.

Nights vary from 19°C (66°F) in July to around -4°C (25°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Harwich Port

Harwich Port has a notably wet climate with abundant precipitation, recording 1212 mm (48 in) of rain/snowfall per year. Harwich Port offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month December (135 mm (5.3 in)) and the driest month August (77 mm (3 in)) is not too significant. For more details, please visit our Harwich Port Precipitation page.

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

Sunshine Hours in Harwich Port

For those who appreciate different seasons, Harwich Port serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.0 hours of sunshine daily, and embrace the darker days in January, offering only 4.9 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Nantucket, the United States of America (42 KM, 26 Miles).

Daily hours of sunshine

Data from: Nantucket, the United States of America (42 KM, 26 Miles).

Best Time to Visit Harwich Port

Harwich Port's weather is most enjoyable during June, July, August and September, with comfortable temperatures from 22°C (71°F) to 26°C (78°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 77 mm (3 in) and 95 mm (3.7 in), providing a good balance of sunny and rainy days.

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.

Frequently asked questions about the climate in Harwich Port

What is the best time to visit Harwich Port?

June, July, August and September typically offer the most optimal weather in Harwich Port. In contrast, January, February, March, November and December tend to have less optimal conditions.

What temperatures can I expect in Harwich Port?

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 Harwich Port get?

Annual rainfall is around 1212 mm (48 in). December is the wettest month with 135 mm (5.3 in), while August is the driest with 77 mm (3 in).

How sunny is Harwich Port?

Harwich Port 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, Harwich Port enjoys abundant sunshine.

Harwich Port 3-Day Forecast

Harwich Port (MA) 3-Day Forecast

Harwich Port on the map

Harwich Port is highlighted — select any city to see its climate.

Popular this month

Where to go in July — average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.