August weather forecast
Allston, MA

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Weather in August

The last month of the summer, August, is another warm month in Allston, Massachusetts, with an average temperature varying between 80.4°F (26.9°C) and 63.5°F (17.5°C).

Temperature

The transition into August reveals an average high-temperature of a still moderately hot 80.4°F (26.9°C), mirroring a close resemblance to July. Allston, in August, witnesses an average low-temperature of 63.5°F (17.5°C).

Humidity

The average relative humidity in August is 73%.

Rainfall

In August, the rain falls for 7.9 days. Throughout August, 0.39" (10mm) of precipitation is accumulated. In Allston, during the entire year, the rain falls for 81.8 days and collects up to 5.51" (140mm) of precipitation.

Snowfall

In Allston, snow does not fall in June through October.

Daylight

The average length of the day in August in Allston is 13h and 51min.
On the first day of August in Allston, sunrise is at 5:37 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:19 pm EDT.

Sunshine

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

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the usual temperature for Allston in August?

The average high-temperature, in August, in Allston, is 80.4°F (26.9°C), while the average low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 86°F (30°C).

What is the average humidity in August in Allston?

In August, the average relative humidity is 73%.

How much does it rain in Allston in August?

In August, in Allston, Massachusetts, the rain falls for 7.9 days. Throughout August, 0.39" (10mm) of precipitation is accumulated.

When it does not snow in Allston?

In Allston, Massachusetts, snow does not fall in June through October.

What is the average length of the day in August in Allston?

In Allston, Massachusetts, the average day length in August is 13h and 51min.

What time are sunrise and sunset in August in Allston?

In August, on the first day of the month, sunrise is at 5:37 am and sunset at 8:03 pm. On the last day of the month, in Allston, sunrise is at 6:09 am and sunset at 7:19 pm EDT.

What month has the most sunshine in Allston?

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

How many hours of sunshine does Allston have in August?

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

When is the highest UV index in Allston?

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

How high is the UV index in August in Allston?

In August, the average daily maximum UV index in Allston is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Allston, MA

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

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in August: 63.5°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in August
Allston, MA

Average pressure in August - Allston, 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
Allston, MA

Average wind speed in August - Allston, MA
  • Average wind speed in August: 6mph

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).

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Average humidity in August
Allston, MA

Average humidity in August - Allston, MA
  • Average humidity in August: 73%

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

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Average rainfall in August
Allston, MA

Average rainfall in August - Allston, MA
  • Average rainfall in August: 0.39"

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

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Average rainfall days in August
Allston, MA

Average rainfall days in August - Allston, MA
  • Average rainfall days in August: 7.9 days

The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in August
Allston, MA

Average snowfall in August - Allston, MA
  • Average snowfall in August: 0"

The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Allston, MA

Average snowfall days in August - Allston, MA
  • Average snowfall days in August: 0 days

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

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Average daylight in August /
Average sunshine in August
Allston, MA

Average daylight in August / Average sunshine in August - Allston, MA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 10h and 3min

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 42min).

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Average sunshine days in August
Allston, MA

Average sunshine days in August - Allston, MA
  • Average sunshine days in August: 19.8 days

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

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Average UV index in August
Allston, MA

Average UV index in August - Allston, 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
Allston, MA

Average cloud cover in August - Allston, MA
  • Average cloud cover in August: 32

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in August
Allston, MA

Average visibility in August - Allston, 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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Allston, Massachusetts, USA

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