July weather forecast
Allston, MA

Weather in July

July, the same as June, is a moderately hot summer month in Allston, Massachusetts, with an average temperature varying between 64.6°F (18.1°C) and 81.9°F (27.7°C).

Temperature

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).

Heat index

In July, the average heat index is calculated to be a hot 86.9°F (30.5°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, clothing, pregnancy, and differences in body mass, height, and shape affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In July, the average relative humidity in Allston is 73%.

Rainfall

In Allston, Massachusetts, in July, during 9.6 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, in Allston, there are 81.8 rainfall days, and 5.51" (140mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day in July in Allston is 14h and 55min.
On the first day of the month, sunrise is at 5:11 am and sunset at 8:25 pm. On the last day of July, sunrise is at 5:36 am and sunset at 8:05 pm EDT.

Sunshine

The average sunshine in July in Allston is 10.2h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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 warmest month in Allston?

The warmest month in Allston, Massachusetts, is July, 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 is the temperature in July in Allston?

In Allston, in July, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 64.6°F (18.1°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 86.9°F (30.5°C).

What is the average humidity in July in Allston?

In July, the average relative humidity in Allston is 73%.

How much does it rain in Allston in July?

In July, in Allston, the rain falls for 9.6 days. Throughout July, 0.47" (12mm) 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 July in Allston?

In July, the average day length is 14h and 55min.

What time are sunrise and sunset in July in Allston?

In July, on the first day of the month, sunrise is at 5:11 am and sunset at 8:25 pm. On the last day of the month, in Allston, Massachusetts, sunrise is at 5:36 am and sunset at 8:05 pm EDT.

How long on average sun shines in July in Allston?

In July, the average sunshine duration in Allston is 10.2h.

What are the months with 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.

What is the UV index intensity in July in Allston?

In July, the average daily maximum UV index in Allston, Massachusetts, is 6. A UV Index reading of 6 to 7 represents 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 July
Allston, MA

Average temperature in July - Allston, MA
  • Average high temperature in July: 81.9°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 July: 64.6°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 July
Allston, MA

Average pressure in July - Allston, MA
  • Average pressure in July: 29.94"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 July
Allston, MA

Average wind speed in July - Allston, MA
  • Average wind speed in July: 6.1mph

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 July
Allston, MA

Average humidity in July - Allston, MA
  • Average humidity in July: 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 July
Allston, MA

Average rainfall in July - Allston, MA
  • Average rainfall in July: 0.47"

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 July
Allston, MA

Average rainfall days in July - Allston, MA
  • Average rainfall days in July: 9.6 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 July
Allston, MA

Average snowfall in July - Allston, MA
  • Average snowfall in July: 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 July
Allston, MA

Average snowfall days in July - Allston, MA
  • Average snowfall days in July: 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 July /
Average sunshine in July
Allston, MA

Average daylight in July / Average sunshine in July - Allston, MA
  • Average daylight in July: 14h and 55min

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 July: 10h and 12min

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 July
Allston, MA

Average sunshine days in July - Allston, MA
  • Average sunshine days in July: 18 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 July
Allston, MA

Average UV index in July - Allston, MA
  • Average UV index in July: 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 July
Allston, MA

Average cloud cover in July - Allston, MA
  • Average cloud cover in July: 34

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 July
Allston, MA

Average visibility in July - Allston, MA
  • Average visibility in July: 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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