July weather forecast
Allston, MA

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Weather in July

July, the same as June, is another warm 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

The warmest month 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).

Heat index

July's mean heat index is calculated to be a tropical 86°F (30°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in July is 73%.

Rainfall

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

Snowfall

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

Daylight

In Allston, the average length of the day in July 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 8:04 pm EDT.

Sunshine

The average sunshine in July 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 estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 6 during July leads to these instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What is the warmest month?

Temperature records mark July as the warmest month, with highs averaging 81.9°F (27.7°C) and lows at 64.6°F (18.1°C).

What is the usual temperature for Allston in July?

July temperatures vary between a high-temperature of 81.9°F (27.7°C) and a low-temperature of 64.6°F (18.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in July is calculated to be 86°F (30°C).

What is the average humidity in July?

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

How many days does it rain in July?

In Allston, in July, during 9.6 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

When it does not snow?

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

How many hours of daylight does Allston have in July?

The average day length in July is 14h and 55min.

What time are sunrise and sunset in July?

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, sunrise is at 5:36 am and sunset at 8:04 pm EDT.

How long on average sun shines in July?

The average sunshine duration in July is 10.2h.

What is the month with the highest UV index?

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

What is the UV index reading in July?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
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 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).

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).

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).

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%).

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").

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).

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").

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).

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 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 July: 10h and 1min

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).

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).

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).

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).

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).

Allston, Massachusetts, USA

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