August weather forecast
East Boston, MA

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).

Temperature

In August, the average high-temperature is essentially the same as in July - a still warm 80.4°F (26.9°C). The average low-temperature, in August, is 64°F (17.8°C).

Humidity

In East Boston, the average relative humidity in August is 72%.

Rainfall

In East Boston, during 11.7 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, in East Boston, there are 141.4 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Snowfall

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

Daylight

In East Boston, the average length of the day in August is 13h and 51min.
On the first day of August in East Boston, sunrise is at 5:36 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:20 pm EDT.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in East Boston?

The average high-temperature, in August, in East Boston, is 80.4°F (26.9°C), while the average low-temperature is 64°F (17.8°C). in July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the average humidity in August in East Boston?

In East Boston, the average relative humidity in August is 72%.

How much does it rain in East Boston in August?

In East Boston, in August, it is raining for 11.7 days, with typically 1.61" (41mm) of accumulated precipitation.

When it does not snow in East Boston?

June through September are months without snowfall in East Boston.

How many hours of daylight does East Boston have in August?

The average day length in August in East Boston is 13h and 51min.

What time are sunrise and sunset in August in East Boston?

On the first day of August in East Boston, Massachusetts, sunrise is at 5:36 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:20 pm EDT.

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.

How long on average sun shines in August in East Boston?

In East Boston, the average sunshine duration in August is 10.5h.

What are the months with the highest UV index in East Boston?

The months with the highest UV index in East Boston, Massachusetts, are June through August, with an average maximum UV index of 6.

How high is the UV index in August in East Boston?

In East Boston, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
East Boston, MA

Average temperature in August - East Boston, MA
  • Average high temperature in August: 80.4°F

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).

  • Average low temperature in August: 64°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 in August
East Boston, MA

Average pressure in August - East Boston, MA
  • Average pressure in August: 29.98"Hg

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 in August
East Boston, MA

Average wind speed in August - East Boston, MA
  • Average wind speed in August: 6.2mph

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 humidity in August
East Boston, MA

Average humidity in August - East Boston, MA
  • Average humidity in August: 72%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (69%).

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Average rainfall in August
East Boston, MA

Average rainfall in August - East Boston, MA
  • Average rainfall in August: 1.61"

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 in August
East Boston, MA

Average rainfall days in August - East Boston, MA
  • Average rainfall days in August: 11.7 days

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 in August
East Boston, MA

Average snowfall in August - East Boston, MA
  • Average snowfall in August: 0"

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 in August
East Boston, MA

Average snowfall days in August - East Boston, MA
  • Average snowfall days in August: 0 days

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 in August /
Average sunshine in August
East Boston, MA

Average daylight in August / Average sunshine in August - East Boston, MA
  • Average daylight in August: 13h and 51min

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).

  • Average sunshine in August: 10h and 30min

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 in August
East Boston, MA

Average sunshine days in August - East Boston, MA
  • Average sunshine days in August: 17 days

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 in August
East Boston, MA

Average UV index in August - East Boston, MA
  • Average UV index in August: 6

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 cloud cover in August
East Boston, MA

Average cloud cover in August - East Boston, MA
  • Average cloud cover in August: 32

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in August
East Boston, MA

Average visibility in August - East Boston, MA
  • Average visibility in August: 6mi

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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