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 marks July as an energetic and exuberant month of clear skies and warm nights.

Temperature

The average temperatures reach their apex in July, averaging 81.9°F (27.7°C) at the high end and 64.6°F (18.1°C) at the low end.

Heat index

The heat index value during July is appraised at a tropical 86°F (30°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In July, the average relative humidity is 73%.

Rainfall

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

Snowfall

In Brookline, 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 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

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 estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In July, a daily UV index of 6 turns into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

The temperatures reach their highest averages in July, with highs of 81.9°F (27.7°C) and lows of 64.6°F (18.1°C).

What are July temperatures?

The average high-temperature and low-temperature during July are 81.9°F (27.7°C) and 64.6°F (18.1°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in July is appraised at 86°F (30°C).

What is the average humidity in July?

The average relative humidity in July is 73%.

How many days does it rain in July in Brookline?

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

When it does not snow?

June through October are months without snowfall.

What is the average length of the day in July?

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

What time are sunrise and sunset in July?

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 July, the average sunshine duration is 10.2h.

What are the months 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 intensity in July?

In July, the average daily maximum UV index is 6. A UV Index value 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 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Brookline, Massachusetts, USA

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