Dedham Weather & Climate: Best Time to Visit

The climate in Dedham is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a pleasant 22°C (72°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 8°C (46°F).

At night, temperatures range from around 15°C (59°F) in August to 3°C (37°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Dedham receives mid-range precipitation levels, with 737 mm (29 in) annually. Despite minor fluctuations, Dedham enjoys fairly consistent precipitation throughout the year. In October, you can expect around 69 mm (2.7 in) of precipitation, while in March, Dedham receives about 48 mm (1.9 in). For more details, please visit our Dedham Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Dedham can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine