January is the coldest month in Boston with average high temperatures hitting 36°F (2°C) and average low temperatures dropping to 22°F (-5°C). Congruently, this month receives the largest amount of snowfall in the year with an average of 13 inches (33 cm).
In February, the chill of winter remains but sees a slight climb in both average high and average low temperatures at 39°F (4°C) and 25°F (-4°C) respectively. The average snowfall also decreases to 11 inches (28 cm).
March sees the upward rise continue with the arrival of Spring. The average high temperature hits 45°F (7°C), while the average low temperature hovers at 31°F (-1°C). Freezing evening temperatures contribute to the continual snowfall, which averages at 8 inches (28 cm) for the month of March. This month also sees the highest precipitation rate of the year at 4 inches (110 mm).
Boston Weather in April: The last of the year’s snowfall comes in April as averages dwindle to 2 inches (5 cm). Temperatures remain chilly despite increase to an average high of 56°F (13°C) and an average low of 41°F (5°C).
In May, the average high temperature makes a considerable jump to 66°F (19°C). The average low temperature is 50°F (10°C).
June marks the beginning of summer. The change in season is reflected by the rise in average high and average low temperatures, which range between 76°F (24°C) and 60°F (15°C) respectively.
July is the hottest month of the year, reaching an average high temperature of 81°F (27°C). It also receives the most sunshine in the year – 300 hours. Low temperatures average at 65°F (19°C).
In August, the average high temperature goes down by one degree while the average low temperature remains the same.
Boston Weather in September: Summer ends and fall arrives in September, bringing with it lower temperature averages. High temperatures average at 72°F (22°C). Meanwhile, low temperatures decrease to 57°F (14°C).
October sees a steep drop in temperature as the fall season intensifies. Average high temperatures will only hit 61°F (16°C). Average low temperatures drop ten degrees to 47°F (8°C).
In November, the average high temperature makes another significant decrease to 51°F (11°C). The snow starts falling again in November. The month receives the least amount of snowfall in the year, averaging at 1 inch (3 cm). The low temperature average is 38°F (3°C).
December sees a huge jump in snowfall with the month’s averages hitting 9 inches (23 cm). Coincidentally, the month also sees the least amount of sunshine in the year – 148 hours. The average high and average low temperatures range between 41°F (5°C) and 28°F (-2°C).
Weather wise, the best time to travel to Massachusetts is during the spring months of April through June or between the late summer and early fall months of September and October. The best time to journey to Massachusetts to see the glorious fall foliage is late in October, when the leaves have turned and autumn truly settles in. For those who are headed to Massachusetts to experience Cape Cod, the best months to head over are April, May, October or November.
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