Braintree (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Braintree.
Climate overview of Braintree
Temperatures in Braintree, Massachusetts, United States of America, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while January is the coldest at 3°C (37°F).
Rain/snowfall is high, totalling around 1305 mm (51 in) per year. December is the wettest month and September the driest. The city also experiences warm summers and cold winters. The sunniest month is May, with 10.0 hours of sunshine per day on average.
Braintree Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Braintree - and find the best time to visit.
Monthly Temperature in Braintree
The climate in Braintree is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a chilly 3°C (37°F) during cooler months like January.
At night, you can expect temperatures ranging from 18°C (64°F) in July to around -6°C (21°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Braintree
Braintree has a notably wet climate with abundant precipitation, recording 1305 mm (51 in) of rain/snowfall per year. While snow/rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 138 mm (5.4 in) of precipitation, spread over 13 snowy/rainy days.
In contrast, the driest month September experiences a drier climate, with about 77 mm (3 in) of rainfall spread across 9 rainy days. For more details, please visit our Braintree 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 Braintree
Seasonal changes in sunshine hours are quite dramatic in Braintree. While May receives considerable daily sunshine with up to 10.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Braintree
The mean water temperature over the year ranges from 4°C (39°F) in February to 20°C (68°F) in August.
Water temperature over the year
Humidity in Braintree by Month
The relative humidity is high throughout the year in Braintree.
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
Wind Speed in Braintree
The mean wind speed over the year ranges from 5 m/s (10 knots) in June, July, August and September to 7 m/s (14 knots) in January, February, March and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Braintree
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, July, August and September
- Warmest weather: July and August
- Most sunshine: May and July
- Best for swimming: August, with water temperatures around 20°C (68°F).
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Braintree
What is the best time to visit Braintree?
May, July, August and September typically offer the most optimal weather in Braintree. In contrast, January, February, March, November and December tend to have less optimal conditions. Braintree has warm summers and cold winters.
What temperatures can I expect in Braintree?
Daytime highs range from 3°C (37°F) in January to 29°C (84°F) in July. Nighttime lows range from -6°C (21°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Braintree get?
Annual rainfall is around 1305 mm (51 in). December is the wettest month with 138 mm (5.4 in), while September is the driest with 77 mm (3 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Braintree?
Braintree 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, Braintree enjoys abundant sunshine.
Braintree 3-Day Forecast
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