Monthly weather forecast and climate
Cambridge, MA

The John Weeks Memorial Footbridge in Cambridge, Massachusetts, over the Charles River calm waters, and a distant view of the Havard University student residence unit
The John Weeks Memorial Footbridge in Cambridge, Massachusetts, over the Charles River calm waters, and a distant view of the Havard University student residence unit
January, like December, in Cambridge, Massachusetts, is a wintry winter month, with average temperature varying between 33.8°F (1°C) and 22.5°F (-5.3°C). The coldest month is January, with an average high-temperature of 33.8°F (1°C) and an average low-temperature of 22.5°F (-5.3°C). Weather in January »

The last month of the winter, February, is another cold month in Cambridge, Massachusetts, with average temperature ranging between max 36.5°F (2.5°C) and min 23.4°F (-4.8°C). In February, the average high-temperature is essentially the same as in January - a still cold 36.5°F (2.5°C). Weather in February »

March, the first month of the spring, in Cambridge, is a frosty month, with average temperature ranging between max 43.3°F (6.3°C) and min 30.6°F (-0.8°C). In March, the average high-temperature slightly increases, from a cold 36.5°F (2.5°C) in February, to a chilly 43.3°F (6.3°C). Weather in March »

April is a mild spring month in Cambridge, Massachusetts, with average temperature ranging between min 40.1°F (4.5°C) and max 55.6°F (13.1°C). In Cambridge, the average high-temperature in April rises, from a frosty 43.3°F (6.3°C) in March, to a mild 55.6°F (13.1°C). Weather in April »

May, the last month of the spring, in Cambridge, is a comfortable month, with average temperature ranging between min 49.8°F (9.9°C) and max 66.7°F (19.3°C). In Cambridge, the average high-temperature rises, from a moderate 55.6°F (13.1°C) in April, to an enjoyable 66.7°F (19.3°C). Weather in May »

The first month of the summer, June, is a moderately hot month in Cambridge, Massachusetts, with average temperature fluctuating between 74.5°F (23.6°C) and 57.4°F (14.1°C). In June, the average high-temperature marginally rises, from an enjoyable 66.7°F (19.3°C) in May, to a warm 74.5°F (23.6°C). Weather in June »

July, the same as June, is another warm summer month in Cambridge, Massachusetts, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 64.6°F (18.1°C). July is the warmest month, with an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 64.6°F (18.1°C). In July, the average heat index is estimated at a tropical 86.9°F (30.5°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Cambridge, Massachusetts, with average temperature ranging between min 63.5°F (17.5°C) and max 80.4°F (26.9°C). In Cambridge, the average high-temperature in August is relatively the same as in July - a still moderately hot 80.4°F (26.9°C). Weather in August »

September, the first month of the autumn, in Cambridge, is still a pleasant month, with average temperature varying between 72.9°F (22.7°C) and 56.7°F (13.7°C). In Cambridge, the average high-temperature in September slightly decreases, from a moderately hot 80.4°F (26.9°C) in August, to an agreeable 72.9°F (22.7°C). Weather in September »

October, like September, in Cambridge, Massachusetts, is another comfortable autumn month, with average temperature fluctuating between 61.2°F (16.2°C) and 47.7°F (8.7°C). In October, the average high-temperature drops, from a pleasant 72.9°F (22.7°C) in September, to a comfortable 61.2°F (16.2°C). Weather in October »

November, the last month of the autumn, in Cambridge, is another chilly month, with average temperature varying between 49.5°F (9.7°C) and 37.4°F (3°C). In November, the average high-temperature decreases, from an enjoyable 61.2°F (16.2°C) in October, to a frosty 49.5°F (9.7°C). Weather in November »

The first month of the winter, December, is still a cold month in Cambridge, Massachusetts, with average temperature ranging between min 29.3°F (-1.5°C) and max 39.6°F (4.2°C). In December, the average high-temperature drops, from a frosty 49.5°F (9.7°C) in November, to a wintry 39.6°F (4.2°C). Weather in December »

What is the coldest month in Cambridge?

With an average high-temperature of 33.8°F (1°C) and an average low-temperature of 22.5°F (-5.3°C), January is the coldest month.

What is the most humid month in Cambridge?

January and February, with an average relative humidity of 77%, are most humid months.

How many days does it rain in Cambridge?

Throughout the year, there are 81.8 rainfall days, and 5.51" (140mm) of precipitation is accumulated.

When does it snow in Cambridge?

Months with snowfall are January through May, November and December.

How much does it snow in Cambridge?

In Cambridge, during the entire year, snow falls for 16.8 days, and aggregates up to 2.4" (61mm) of snow.

What are the months with the lowest UV index in Cambridge?

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the month with the least sunshine in Cambridge?

February has the least sunshine of the year in Cambridge, with an average of 4.7h of sunshine.

What is the least humid month in Cambridge?

April is the least humid month, with an average relative humidity of 69%.

When it does not snow in Cambridge?

June through October are months without snowfall in Cambridge.

When are the longest days in Cambridge?

With an average of 15.2h of daylight, June has the longest days of the year in Cambridge, Massachusetts.

What is the month with the highest UV index in Cambridge?

Months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the warmest month in Cambridge?

July is the warmest month in Cambridge, with an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 64.6°F (18.1°C).

What month has the most sunshine in Cambridge?

With an average of 10.5h of sunshine, August has the most sunshine of the year in Cambridge, Massachusetts.

What is the driest month in Cambridge?

The month with the least rainfall in Cambridge is September when the rain falls for 6.4 days and typically collects 0.2" (5mm) of precipitation.

What is the wettest month in Cambridge?

November is the month with the most rainfall. Rain falls for 4.7 days and accumulates 0.63" (16mm) of precipitation.

When does it snow the most in Cambridge?

The month with the most snowfall in Cambridge is December when snow falls for 2.7 days and typically aggregates up to 0.71" (18mm) of snow.

What is the month with the shortest days in Cambridge?

The month with the shortest days is December, with an average of 9.1h of daylight.
Average temperature - Cambridge, MA
Average pressure - Cambridge, MA

The month with the highest atmospheric pressure is November (30.06").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed - Cambridge, MA

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity - Cambridge, MA
Average rainfall - Cambridge, MA

The wettest month (with the highest rainfall) is November (0.63").
The driest month (with the least rainfall) is September (0.2").

Average rainfall days - Cambridge, MA
Average snowfall - Cambridge, MA
Average snowfall days - Cambridge, MA

The month with the highest number of snowfall days is January (4.8 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine - Cambridge, MA

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.1h).

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average sunshine days - Cambridge, MA

The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is June (17.4 days).

Average UV index - Cambridge, MA
Average visibility - Cambridge, MA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).