Newton (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Newton.
Climate overview of Newton
Newton, Massachusetts, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in July, while winters cool to 3°C (37°F) in February.
Rain/snowfall is high, totalling around 1223 mm (48 in) per year. December is the wettest month and September the driest. The most sunshine falls in May, with an average of 10.0 hours of daily sunshine.
Newton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Newton — and find the best time to visit.
Monthly Temperature in Newton
Depending on the time of the year, temperatures range from comfortable to chilly in Newton. 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 February.
At night, you can expect temperatures ranging from 17°C (63°F) in July to around -8°C (18°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Newton
Newton has a relatively rain/snowy climate with high precipitation levels, averaging 1223 mm (48 in) of rain/snowfall annually. Year-round, Newton has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 130 mm (5.1 in), and the driest month, September, with 81 mm (3.2 in), is minimal. For more details, please visit our Newton 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 Newton
Seasonal changes in sunshine hours are quite dramatic in Newton. 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 Newton
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 Newton by Month
The relative humidity is high throughout the year in Newton.
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 Newton
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 Newton
Rainfall during this time ranges from 81 mm (3.2 in) in September to 124 mm (4.9 in) in June. This means you can expect a mix of sunny days and occasional showers. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in Newton
What is the best time to visit Newton?
May, July, August and September typically offer the most optimal weather in Newton. In contrast, January, February, March and December tend to have less optimal conditions.
What temperatures can I expect in Newton?
Daytime highs range from 3°C (37°F) in February to 29°C (84°F) in July. Nighttime lows range from -8°C (18°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Newton get?
Annual rainfall is around 1223 mm (48 in). December is the wettest month with 130 mm (5.1 in), while September is the driest with 81 mm (3.2 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Newton?
Newton 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, Newton enjoys abundant sunshine.
Newton 3-Day Forecast
Newton (MA) 3-Day Forecast
Newton on the map
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