Climate and monthly weather forecast
East Boston, MA

Weather in January

January, like December, in East Boston, Massachusetts, is another cold winter month, with an average temperature varying between 34.2°F (1.2°C) and 22.6°F (-5.2°C). With an average high-temperature of 34.2°F (1.2°C) and an average low-temperature of 22.6°F (-5.2°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in East Boston, Massachusetts, with an average temperature fluctuating between 23.5°F (-4.7°C) and 36.5°F (2.5°C). In February, the average high-temperature is relatively the same as in January - a still wintry 36.5°F (2.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in East Boston, Massachusetts, with an average temperature fluctuating between 30.9°F (-0.6°C) and 43.5°F (6.4°C). In East Boston, the average high-temperature in March slightly increases from a wintry 36.5°F (2.5°C) in February to a frosty 43.5°F (6.4°C). Weather in March »

Weather in April

April in East Boston, Massachusetts, is a fresh spring month, with temperature in the range of an average low of 40.5°F (4.7°C) and an average high of 55.2°F (12.9°C). In April, the average high-temperature increases from a chilly 43.5°F (6.4°C) in March to a fresh 55.2°F (12.9°C). Weather in April »

Weather in May

May, the last month of the spring in East Boston, is a comfortable month, with an average temperature fluctuating between 66.4°F (19.1°C) and 50°F (10°C). In May, the average high-temperature rises from a cool 55.2°F (12.9°C) in April to a comfortable 66.4°F (19.1°C). Weather in May »

Weather in June

June, the first month of the summer in East Boston, is a warm month, with an average temperature varying between 57.6°F (14.2°C) and 74.3°F (23.5°C). In East Boston, the average high-temperature in June slightly increases from an enjoyable 66.4°F (19.1°C) in May to a moderately hot 74.3°F (23.5°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in East Boston, Massachusetts, with an average temperature fluctuating between 64.9°F (18.3°C) and 81.7°F (27.6°C). The warmest month is July, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 64.9°F (18.3°C). The average heat index in July is computed to be a tropical 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in East Boston, Massachusetts, with an average temperature varying between 80.4°F (26.9°C) and 64°F (17.8°C). In August, the average high-temperature is essentially the same as in July - a still warm 80.4°F (26.9°C). Weather in August »

Weather in September

September, the first month of the autumn in East Boston, is still a pleasant month, with an average temperature fluctuating between 72.7°F (22.6°C) and 57.4°F (14.1°C). In East Boston, the average high-temperature in September marginally drops from a moderately hot 80.4°F (26.9°C) in August to an agreeable 72.7°F (22.6°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in East Boston, Massachusetts, with an average temperature varying between 61.5°F (16.4°C) and 48.4°F (9.1°C). In October, the average high-temperature drops from an agreeable 72.7°F (22.6°C) in September to an enjoyable 61.5°F (16.4°C). Weather in October »

Weather in November

November, the last month of the autumn in East Boston, is another chilly month, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 49.5°F (9.7°C). In November, the average high-temperature drops from a comfortable 61.5°F (16.4°C) in October to a chilly 49.5°F (9.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in East Boston, Massachusetts, with temperature in the range of an average high of 39.9°F (4.4°C) and an average low of 29.7°F (-1.3°C). In East Boston, the average high-temperature in December drops from a frosty 49.5°F (9.7°C) in November to a wintry 39.9°F (4.4°C). Weather in December »
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FAQ

What is the coldest month in East Boston?

With an average high-temperature of 34.2°F (1.2°C) and an average low-temperature of 22.6°F (-5.2°C), January is the coldest month in East Boston.

How much does it rain in East Boston?

Throughout the year, there are 141.4 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

When does it snow in East Boston?

January through May, October through December are months with snowfall in East Boston, Massachusetts.

How much does it snow in East Boston?

In East Boston, during the entire year, snow falls for 29.8 days and aggregates up to 15.75" (400mm) of snow.

When is the lowest UV index in East Boston?

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

What is the most humid month in East Boston?

February is the most humid month, with an average relative humidity of 77%.

What is the snowiest month in East Boston?

The month with the most snowfall in East Boston, Massachusetts, is February, when snow falls for 7.6 days and typically aggregates up to 4.72" (120mm) of snow.

What is the month with the least sunshine in East Boston?

February has the least sunshine of the year in East Boston, with an average of 4.6h of sunshine.

What is the wettest month in East Boston?

The wettest months are March, April and December, with an average 2.91" (74mm) of rainfall.

When is Daylight Saving Time (DST) in East Boston?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in East Boston, Massachusetts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in East Boston?

The least humid month in East Boston, Massachusetts, is April, with an average relative humidity of 69%.

When it does not snow in East Boston?

In East Boston, snow does not fall in June through September.

When are the longest days in East Boston?

The month with the longest days is June, with an average of 15h and 14min of daylight.

When is the highest UV index in East Boston?

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

What is the warmest month in East Boston?

July is the warmest month in East Boston, Massachusetts, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 64.9°F (18.3°C).

What month has the most sunshine in East Boston?

August has the most sunshine of the year, with an average of 10.5h of sunshine.

What is the driest month in East Boston?

September is the month with the least rainfall. Rain falls for 10 days and accumulates 1.26" (32mm) of precipitation.

What is the month with the shortest days in East Boston?

With an average of 9h and 8min of daylight, December has the shortest days of the year in East Boston.

Average temperature
East Boston, MA

Average temperature - East Boston, MA

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34.2°F).

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure
East Boston, MA

Average pressure - East Boston, MA

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

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Average wind speed
East Boston, MA

Average wind speed - East Boston, MA

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average rainfall
East Boston, MA

Average rainfall - East Boston, MA

The wettest months (with the highest rainfall) are March, April and December (2.91").
The driest month (with the least rainfall) is September (1.26").

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Average rainfall days
East Boston, MA

Average rainfall days - East Boston, MA

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall
East Boston, MA

Average snowfall - East Boston, MA

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
East Boston, MA

Average snowfall days - East Boston, MA

The months with the highest number of snowfall days are January and February (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
East Boston, MA

Average daylight / Average sunshine - East Boston, MA

The month with the longest days is June (Average daylight: 15h and 14min).
The month with the shortest days is December (Average daylight: 9h and 8min).

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
East Boston, MA

Average sunshine days - East Boston, MA

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (13 days).

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Average UV index
East Boston, MA

Average UV index - East Boston, MA

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
East Boston, MA

Average visibility - East Boston, MA

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

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