Boston Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Boston.
Climate overview of Boston
Boston, Lincolnshire, United Kingdom, experiences significant temperature variation throughout the year. Summers bring daytime highs of 22°C (72°F) in July, while winters cool to 8°C (46°F) in January.
With around 723 mm (28 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and February the driest. It also has warm summers and cold winters. The most sunshine falls in July, with an average of 6.9 hours of daily sunshine.
Boston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Boston - and find the best time to visit.
Monthly Temperature in Boston
Depending on the time of the year, temperatures range from comfortable to chilly in Boston. Typically, average maximum daytime temperatures range from a comfortable 22°C (72°F) in July to a chilly 8°C (46°F) in the coolest month, January.
Nights vary from 13°C (55°F) in July to around 2°C (36°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Boston
Generally, Boston has a moderate amount of precipitation, averaging 723 mm (28 in) of rain/snowfall annually. Precipitation levels in Boston remain relatively steady throughout the year. June has the most rain, with 73 mm (2.9 in) over 12 days. In the driest month February, this drops slightly to 48 mm (1.9 in), making the city's climate fairly predictable. For more details, please visit our Boston 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 Boston
For those who appreciate different seasons, Boston serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 6.9 hours of sunshine daily, and embrace the darker days in December, offering only 1.9 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Boston
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: May and July
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Boston
What is the best time to visit Boston?
June, July, August and September typically offer the most optimal weather in Boston. In contrast, January, February and December tend to have less optimal conditions. Boston has warm summers and cold winters.
What temperatures can I expect in Boston?
Daytime highs range from 8°C (46°F) in January to 22°C (72°F) in July. Nighttime lows range from 2°C (36°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Boston get?
Annual rainfall is around 723 mm (28 in). June is the wettest month with 73 mm (2.9 in), while February is the driest with 48 mm (1.9 in).
How sunny is Boston?
Boston receives around 1,606 hours of sunshine per year. July is the sunniest month with 207 hours, while December is the cloudiest with just 57 hours.
Boston 3-Day Forecast
Boston on the map
Boston is highlighted - select any city to see its climate.
Popular this month
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