Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Plymouth (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Plymouth.
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Climate overview of Plymouth
Plymouth, Massachusetts, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 28°C (82°F) in July, while winters cool to 4°C (39°F) in January.
With around 1331 mm (52 in) of annual rain/snowfall, Plymouth has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and cold winters. The wettest month is December. The most sunshine falls in May, with an average of 10.0 hours of daily sunshine.
Plymouth Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Plymouth - and find the best time to visit.
Monthly Temperature in Plymouth
Depending on the time of the year, temperatures range from comfortable to chilly in Plymouth. Average daytime temperatures reach a comfortable 28°C (82°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).
At night, temperatures range from around 18°C (64°F) in July to -7°C (19°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Plymouth
Plymouth has a relatively rain/snowy climate with high precipitation levels, averaging 1331 mm (52 in) of rain/snowfall annually. Despite minor fluctuations, Plymouth enjoys fairly consistent precipitation throughout the year. In December, you can expect around 133 mm (5.2 in) of precipitation, while in September, Plymouth receives about 89 mm (3.5 in). For more details, please visit our Plymouth 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 Plymouth
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).
Daily percentage of sunshine
Data from: Boston, the United States of America (54 KM, 33 Miles).
Humidity in Plymouth by Month
The relative humidity is high throughout the year in Plymouth.
The city experiences its highest humidity in August, reaching 72%. In February, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Boston, the United States of America (54 KM, 33 Miles).
Best Time to Visit Plymouth
For comfortable weather, consider visiting Plymouth in August and September. Conditions are usually least favourable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
wet
Apr
mixed
May
very good
Jun
very good
Jul
very good
Aug
excellent
Sep
excellent
Oct
good
Nov
wet
Dec
wet
- Best overall: August and September
- Warmest weather: July and August
- Most sunshine: May and July
- Fewest rainy days: August and September
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Plymouth
What is the best time to visit Plymouth?
August and September typically offer the most optimal weather in Plymouth. In contrast, January, February, March, November and December tend to have less optimal conditions. Plymouth has warm summers and cold winters.
What temperatures can I expect in Plymouth?
Daytime highs range from 4°C (39°F) in January to 28°C (82°F) in July. Nighttime lows range from -7°C (19°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Plymouth get?
Annual rainfall is around 1331 mm (52 in). December is the wettest month with 133 mm (5.2 in), while September is the driest with 89 mm (3.5 in).
How sunny is Plymouth?
Plymouth receives around 2,665 hours of sunshine per year. May is the sunniest month with 301 hours, while December is the cloudiest with just 141 hours. Overall, Plymouth enjoys abundant sunshine.
Plymouth 3-Day Forecast
Plymouth on the map
Plymouth is highlighted - select any city to see its climate.
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Need travel inspiration? Check out our bucket list articles and be inspired.
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