In Massachusetts, summers are warm, winters are notably cold and snowy, and it tends to be partly cloudy throughout the year. Across the seasons, temperatures typically range from 23°F to 82°F, with extremes rarely dipping below 9°F or rising above 91°F.

According to tourism ratings, the optimal period to visit Massachusetts for warm-weather activities spans from late June to mid-September.

During the warm season, which spans 3.3 months from June 4 to September 14, Massachusetts experiences average daily high temperatures above 73°F. July stands out as the hottest month, boasting an average high of 82°F and a low of 66°F.

Conversely, the cold season extends for 3.4 months, starting from December 3 to March 14, with average daily high temperatures below 45°F. January emerges as the coldest month, with an average low of 24°F and a high of 37°F.

See more: https://weatherusa.app/massachusetts

To illustrate variability within months rather than just monthly totals, we present the rainfall accumulated over a sliding 31-day period centered around each day of the year. Massachusetts encounters seasonal fluctuations in monthly rainfall.

Precipitation occurs year-round in Massachusetts. October stands out as the wettest month, with an average rainfall of 3.9 inches.

Conversely, January experiences the least rainfall in Massachusetts, averaging 2.2 inches.

Similar to our approach with rainfall, we analyze snowfall accumulated over a sliding 31-day period centered around each day of the year. Massachusetts displays considerable seasonal variation in monthly snowfall.

The snowy season spans 5.0 months, from November 11 to April 11, with a sliding 31-day snowfall of at least 1.0 inches. January stands out as the snowiest month in Massachusetts, averaging 8.4 inches of snowfall.

Conversely, the snow-free period lasts for 7.0 months, from April 11 to November 11. The least snow typically falls around August 3, with an average total accumulation of 0.0 inches.