Boston
Massachusetts, USA
Long-term weather forecast
Long-term weather forecast
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Monthly weather forecast and Climate
Boston, MA

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A beautiful natural park with the George Washington Monument in Boston, Massachusetts, with a sneak view of the city skyscrapers
A beautiful natural park with the George Washington Monument in Boston, Massachusetts, with a sneak view of the city skyscrapers
Boston, the capital of and the most populated municipality of the Commonwealth of Massachusetts, has a humid subtropical climate (Köppen classification Cfa).
This climate is characterized by warm and humid summers, cold and stormy winters, and mild but varied springs and autumns. Boston is conveniently located on the shores of the Atlantic Ocean, but the prevailing winds minimize the effect of the Atlantic Ocean on Boston's climate.

Spring in Boston has varying weather. The first few weeks feel cold, and continue to experience a low temperature and minimal snowfall, gradually warming up to as high as 77°F (25°C). The afternoon rainfall is accompanied by thunderstorms and precaution is advised.
Autumn is mild and pleasant and often has stable weather initially. Towards the end of the season, it gets cold, and Boston already receives the first of its snowfall.

Summer is hot and humid but sometimes varies to become fresh and pleasant. Humidity during summer is high, and the hottest days feel muggy and uncomfortable heat waves are not uncommon during summer, appreciative to the high temperature and many sunshine hours per day.

Winters are cold and snowy, with occasional occurrences of blizzards, which make most days feel colder than registered. Snowfall can be high, resulting in high accumulation on the ground, extended for several weeks. Boston is susceptible to snowstorms and severe cold spells during winter, and additional warm clothing is advised.
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The best time to visit Boston is during spring, specifically from mid-May to mid-June, and during autumn from September to early October.
Spring has tolerable weather, and the absence of the winter chill makes it possible for touring Boston and other outdoor activities. The wild blossoms during spring transform Boston into a beautiful garden and fill the crisp, fresh air with sweet flowery scents.
During autumn, the weather is steady and reliable. The temperature is also tolerable as the extreme summer heat cools down considerably to a warm and pleasant range. The excellent fall foliage brings extraordinary beauty to Boston, as the golden-brown leaves dropping off trees leave a lingering magnificence. When reflected in the waterfront and the modern skyscrapers, the fall becomes even more admirable.

The worst time to visit Boston is during winter. The temperature is extremely low and almost unbearable. Also, severe blizzards and snowstorms hit Boston periodically during winter, causing significant harm and damage. The extreme winter chill reduces most outdoor activities considerably. As the snow can remain on the ground for weeks, skating and skiing are the everyday activities to engage in.
Summer is usually crowded and extremely hot. This season is not the best period to visit Boston as you will not only be dealing with extreme temperature, but also weather hazards like thunderstorms.

Boston is susceptible to severe blizzards during winter, making the weather too cold and almost unbearable. Periodically, there will be snowstorms as well, that cause significant damage. During summer, the extremely high temperature causes harmful heat waves, considering the UV index is at its highest point. The rainy afternoons are accompanied by thunderstorms, that can cause massive damage.

January is the coldest month in Boston, with the temperature in the low range from 22.3°F (-5.4°C) to 35.8°F (2.1°C). Weather in January »

The temperature is still low, as the mercury stays in the range of 24.6°F (-4.1°C) and 38.7°F (3.7°C). The nights are cold, and frequent blizzards and snowstorms are experienced throughout the period. Weather in February »

The weather is winter-like with a low temperature in the range of 31.1°F (-0.5°C) and 45.3°F (7.4°C). The first half of March is cold and wintery, but the second half becomes mildly cool as spring is ushered in. Weather in March »

The temperature is in the range of 40.6°F (4.8°C) and 55.6°F (13.1°C), with the nights' temperature occasionally dropping to 35.6°F (2°C) or lower. Weather in April »

Spring is at its peak in May, and the mercury is in a pleasant range of 49.8°F (9.9°C) and 66°F (18.9°C). Weather in May »

The first half is warm and pleasant and the second half sees Boston's temperature rise to the range of 59.5°F (15.3°C) and 75.9°F (24.4°C). Occasionally, the temperature rises higher to 86°F (30°C). Weather in June »

Summer continues in July, with the temperature rising to the range of 65.5°F (18.6°C) and 81.3°F (27.4°C). July is Boston's hottest month and occasionally has the temperature rising above 86°F (30°C). Weather in July »

The mercury is in the high range of 64.6°F (18.1°C) and 79.5°F (26.4°C), with occasional days when the temperature rises as high as 86°F (30°C) or more. Weather in August »

Generally, the extreme summer heat cools down considerably, as the temperature drops to the range of 57.4°F (14.1°C) and 72.3°F (22.4°C). Weather in September »

The temperature is warm and pleasant in the range of 46.6°F (8.1°C) and 61.3°F (16.3°C), and most days are devoid of the summer heat. Weather in October »

In November, the temperature drops to the range of 37.9°F (3.3°C) and 51.4°F (10.8°C). The nights begin to feel cold as the cold waves of air set in. Weather in November »

Winter brings freezing weather to Boston in December, with the temperature dropping further to the range of 28.2°F (-2.1°C) and 41.2°F (5.1°C). Weather in December »
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The month with the highest number of snowfall days is January (6.7 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

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