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Plymouth (MA) Weather and Climate: A Comprehensive Guide

The temperature in Plymouth can vary greatly throughout the year. The temperatures shift from warm to cold. It also experiences much rain/snowfall throughout the year. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to chilly in Plymouth. Average daytime temperatures reach a comfortable 28°C in July. In February, the coolest month of the year, temperatures drop to a chilly 4°C.

At night, you can expect cooler temperatures, with averages dropping to around -7°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Plymouth has a relatively rain/snowy climate with high precipitation levels, averaging 1331 mm of rain/snowfall annually. Despite minor fluctuations, Plymouth enjoys fairly consistent precipitation throughout the year. In December, you can expect around 133 mm of precipitation, while in September, Plymouth receives about 89 mm.

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

Sunshine over the year

Plymouth can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Boston, the United States of America (54 KM, 33 Miles).

Daily hours of sunshine

Data from: Boston, the United States of America (54 KM, 33 Miles).

Forecast for Plymouth (MA)

Sat   Dec 21
1°C | -9°C
NW 7 m/s
almost clear and no rain

almost clear and no rain

Sun   Dec 22
-6°C | -12°C
NW 6 m/s
clear and no rain

clear and no rain

Mon   Dec 23
-2°C | -12°C
NW 3 m/s
almost clear and no rain

almost clear and no rain

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

During the months of June 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 Plymouth?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Plymouth?
    The coldest month is February with an average maximum temperature of 4°C.
  • Which is the wettest month in Plymouth?
    December tops the wettest month list with 133 mm of rainfall.
  • Which is the driest month in Plymouth?
    September is the driest month with 89 mm of precipitation.
  • Which is the sunniest month in Plymouth?
    May 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.