July weather forecast
Brookline, MA

A small league field in Brookline, Massachusetts, overlooking bright yellow trees in the fall, behind the cityscape of Boston
A small league field in Brookline, Massachusetts, overlooking bright yellow trees in the fall, behind the cityscape of Boston

Weather in July

July, like June, in Brookline, Massachusetts, is a moderately hot summer month, with an average temperature ranging between max 81.9°F (27.7°C) and min 64.6°F (18.1°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

The average heat index in July is calculated to be a tropical 86°F (30°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 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, metabolic differences, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the 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

The average relative humidity in July is 73%.

Rainfall

In Brookline, during July, the rain falls for 9.6 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, there are 81.8 rainfall days, and 5.51" (140mm) of precipitation is accumulated.

Snowfall

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

Daylight

In July, the average length of the day in Brookline is 14h and 55min.
On the first day of July, 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 8:05 pm EDT.

Sunshine

In July, the average sunshine 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 reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Brookline?

July is the warmest month in Brookline, 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 Brookline?

In July, in Brookline, Massachusetts, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 64.6°F (18.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is calculated to be 86°F (30°C).

What is the average humidity in July in Brookline?

The average relative humidity in July in Brookline is 73%.

How much does it rain in Brookline in July?

In Brookline, Massachusetts, in July, it is raining for 9.6 days, with typically 0.47" (12mm) of accumulated precipitation.

When it does not snow in Brookline?

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

How many hours of daylight does Brookline have in July?

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

What time are sunrise and sunset in July in Brookline?

On the first day of July in Brookline, Massachusetts, 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 8:05 pm EDT.

How long on average sun shines in July in Brookline?

The average sunshine duration in July is 10.2h.

When is the highest UV index in Brookline?

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

What is the UV index reading in July in Brookline?

In July, the average daily maximum UV index in Brookline, Massachusetts, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
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
Brookline, MA

Average temperature in July - Brookline, 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
Brookline, MA

Average pressure in July - Brookline, 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
Brookline, MA

Average wind speed in July - Brookline, 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
Brookline, MA

Average humidity in July - Brookline, 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
Brookline, MA

Average rainfall in July - Brookline, 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
Brookline, MA

Average rainfall days in July - Brookline, 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
Brookline, MA

Average snowfall in July - Brookline, 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
Brookline, MA

Average snowfall days in July - Brookline, 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
Brookline, MA

Average daylight in July / Average sunshine in July - Brookline, 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
Brookline, MA

Average sunshine days in July - Brookline, 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
Brookline, MA

Average UV index in July - Brookline, 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
Brookline, MA

Average cloud cover in July - Brookline, 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
Brookline, MA

Average visibility in July - Brookline, 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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