Falmouth (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Falmouth.
Climate overview of Falmouth
The climate in Falmouth, Massachusetts, United States of America, is marked by large temperature swings across the seasons, ranging from 26°C (79°F) in July to 4°C (39°F) in February.
The city has a wet climate, receiving around 1211 mm (48 in) of rain/snowfall per year. December is the wettest month. July is the sunniest month, averaging 10.0 hours of sunshine per day.
Falmouth Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Falmouth — and find the best time to visit.
Monthly Temperature in Falmouth
In Falmouth, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C (79°F) in July to a chilly 4°C (39°F) in February.
Nighttime temperatures range from 19°C (66°F) in July to -4°C (25°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Falmouth
Falmouth experiences significant rain/snowfall throughout the year, averaging 1211 mm (48 in) of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 130 mm (5.1 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, August, still receives a respectable 79 mm (3.1 in) of rainfall. For more details, please visit our Falmouth 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 Falmouth
In Falmouth, summer days are longer and more sunny, with daily sunshine hours peaking at 10.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 4.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Falmouth
Frequently asked questions about the climate in Falmouth
What is the best time to visit Falmouth?
July, August and September typically offer the most optimal weather in Falmouth. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Falmouth?
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 Falmouth get?
Annual rainfall is around 1211 mm (48 in). December is the wettest month with 130 mm (5.1 in), while August is the driest with 79 mm (3.1 in).
How sunny is Falmouth?
Falmouth 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, Falmouth enjoys abundant sunshine.
Falmouth 3-Day Forecast
Falmouth (MA) 3-Day Forecast
Falmouth on the map
Falmouth is highlighted — select any city to see its climate.
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