July weather forecast
Brookline, MA

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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 is the warmest month for Brookline, characterized by the annual peak temperature of 81.9°F (27.7°C). Subtle differences from June, such as a shift in the UV index, and a minor reduction in wind speed, distinguish July. Despite the soaring temperature, life remains vibrant and bustling thanks to consistent pressure conditions. The heat brings residents outdoors to cool themselves in water bodies and under shade-giving trees. The prominence of summer in Brookline marks July as an energetic and exuberant month of clear skies and warm nights.

Temperature

The warmest temperatures occur during July, when averages reach a peak of 81.9°F (27.7°C) and a low of 64.6°F (18.1°C).

Heat index

For most parts of July, the heat index is calculated to be a tropical 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. 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' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

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. In Brookline, during the entire year, the rain falls for 81.8 days and collects up to 5.51" (140mm) of precipitation.

Snowfall

June through October are months without snowfall in Brookline.

Daylight

In Brookline, Massachusetts, 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 reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What are the warmest months in Brookline?

Brookline's temperatures peak on average in July, reaching 81.9°F (27.7°C) at their highest and 64.6°F (18.1°C) at their lowest.

What are the temperatures in Brookline in July?

In Brookline, 81.9°F (27.7°C) is the average high-temperature and 64.6°F (18.1°C) is the average low-temperature during July. The average heat index (a.k.a. 'real feel', 'felt air temperature'), 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, Massachusetts, is 73%.

How many days does it rain in July in Brookline?

In July, in Brookline, Massachusetts, the rain falls for 9.6 days. Throughout July, 0.47" (12mm) of precipitation is accumulated.

When it does not snow in Brookline?

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

How many hours of daylight does Brookline have in July?

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

When are sunrise and sunset in July in Brookline?

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 8:04 pm EDT.

How many hours of sunshine does Brookline have in July?

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

What are the months with 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 intensity in July in Brookline?

The average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe 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
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 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).

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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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Brookline, Massachusetts, USA

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