July weather forecast
Chestnut Hill, MA

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Weather in July

July, like June, in Chestnut Hill, Massachusetts, is another warm summer month, with an average temperature varying between 81.9°F (27.7°C) and 64°F (17.8°C).

Temperature

With average high and low temperatures of 81.9°F (27.7°C) and 64°F (17.8°C) respectively, July is Chestnut Hill's warmest month.

Heat index

The average heat index in July is evaluated at a hot 87.8°F (31°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In Chestnut Hill, the average relative humidity in July is 74%.

Rainfall

In Chestnut Hill, in July, during 10.2 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Chestnut Hill, Massachusetts, during the entire year, the rain falls for 85.9 days and collects up to 5.87" (149mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In Chestnut Hill, the average length of the day in July is 14h and 55min.
On the first day of the month, sunrise is at 5:12 am and sunset at 8:25 pm. On the last day of July, sunrise is at 5:37 am and sunset at 8:05 pm EDT.

Sunshine

In July, the average sunshine is 10.3h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

What time of the year is the hottest?

July brings the highest temperatures, with an average high of 81.9°F (27.7°C) and an average low of 64°F (17.8°C).

What is the usual temperature for Chestnut Hill in July?

In July, in Chestnut Hill, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in July is evaluated at 87.8°F (31°C).

What is the average humidity in July?

In July, the average relative humidity is 74%.

How much does it rain in July?

In Chestnut Hill, in July, it is raining for 10.2 days, with typically 0.51" (13mm) of accumulated precipitation.

When it does not snow?

June through October are months without snowfall.

How many hours of daylight does Chestnut Hill have in July?

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

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:12 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:05 pm EDT.

How many hours of sunshine does Chestnut Hill have in July?

The average sunshine duration in July is 10.3h.

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?

In July, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Chestnut Hill, MA

Average temperature in July - Chestnut Hill, 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 (33.6°F).

  • Average low temperature in July: 64°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in July
Chestnut Hill, MA

Average pressure in July - Chestnut Hill, MA
  • Average pressure in July: 29.94"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Chestnut Hill, MA

Average wind speed in July - Chestnut Hill, MA
  • Average wind speed in July: 5.9mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in July
Chestnut Hill, MA

Average humidity in July - Chestnut Hill, MA
  • Average humidity in July: 74%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

Average rainfall in July
Chestnut Hill, MA

Average rainfall in July - Chestnut Hill, MA
  • Average rainfall in July: 0.51"

The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.24").

Average rainfall days in July
Chestnut Hill, MA

Average rainfall days in July - Chestnut Hill, MA
  • Average rainfall days in July: 10.2 days

The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is February (4.1 days).

Average snowfall in July
Chestnut Hill, MA

Average snowfall in July - Chestnut Hill, MA
  • Average snowfall in July: 0"

The month with the highest snowfall is December (0.91").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in July
Chestnut Hill, MA

Average snowfall days in July - Chestnut Hill, MA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Chestnut Hill, MA

Average daylight in July / Average sunshine in July - Chestnut Hill, 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 2min

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
Chestnut Hill, MA

Average sunshine days in July - Chestnut Hill, MA
  • Average sunshine days in July: 17.8 days

The months with the most sunshine days are January and November (22.5 days).
The month with the least sunshine days is June (17.5 days).

Average UV index in July
Chestnut Hill, MA

Average UV index in July - Chestnut Hill, 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
Chestnut Hill, MA

Average cloud cover in July - Chestnut Hill, MA
  • Average cloud cover in July: 35

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
Chestnut Hill, MA

Average visibility in July - Chestnut Hill, 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).

Chestnut Hill, Massachusetts, USA

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