July weather forecast
Westwood, MA

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Weather in July

July, the same as June, is another warm summer month in Westwood, Massachusetts, with an average temperature fluctuating between 64°F (17.8°C) and 82°F (27.8°C).

Temperature

The highest temperatures are recorded in July, with averages reaching a high of 82°F (27.8°C) and a low of 64°F (17.8°C).

Heat index

For most parts of July, the heat index is estimated at a tropical 87.8°F (31°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Note that heat index values are valued for light wind and location in the shade. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Given direct exposure to sunlight, one might experience a rise in 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 75%.

Rainfall

In Westwood, Massachusetts, in July, it is raining for 11.7 days, with typically 0.67" (17mm) of accumulated precipitation. In Westwood, during the entire year, the rain falls for 97.1 days and collects up to 7.13" (181mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in July is 14h and 54min.
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 8:04 pm EDT.

Sunshine

In Westwood, 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 in Westwood, Massachusetts. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 during July translates into the following guidance:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

In Westwood, the average temperatures in July are the highest, with a peak at 82°F (27.8°C) and a low of 64°F (17.8°C).

What is the temperature in July?

In July, the average high-temperature and low-temperature are 82°F (27.8°C) and 64°F (17.8°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in July?

The average relative humidity in July is 75%.

How many days does it rain in July?

In Westwood, in July, during 11.7 rainfall days, 0.67" (17mm) of precipitation is typically 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 54min.

When is the sunrise / 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 8:04 pm EDT.

How many hours of sunshine does Westwood 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 reading of 6 to 7 represents a high health threat 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
Westwood, MA

Average temperature in July - Westwood, MA
  • Average high temperature in July: 82°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.3°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 (22.3°F).

Average pressure in July
Westwood, MA

Average pressure in July - Westwood, MA
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Westwood, MA

Average wind speed in July - Westwood, MA
  • Average wind speed in July: 6mph

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in July
Westwood, MA

Average humidity in July - Westwood, MA
  • Average humidity in July: 75%

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

Average rainfall in July
Westwood, MA

Average rainfall in July - Westwood, MA
  • Average rainfall in July: 0.67"

The wettest month (with the highest rainfall) is April (0.79").
The driest month (with the least rainfall) is September (0.31").

Average rainfall days in July
Westwood, MA

Average rainfall days in July - Westwood, MA
  • Average rainfall days in July: 11.7 days

The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in July
Westwood, MA

Average snowfall in July - Westwood, MA
  • Average snowfall in July: 0"

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

Average snowfall days in July
Westwood, MA

Average snowfall days in July - Westwood, MA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (5 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
Westwood, MA

Average daylight in July / Average sunshine in July - Westwood, 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 12min).

  • 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
Westwood, MA

Average sunshine days in July - Westwood, MA
  • Average sunshine days in July: 16.8 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (16.8 days).

Average UV index in July
Westwood, MA

Average UV index in July - Westwood, 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
Westwood, MA

Average cloud cover in July - Westwood, 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 33).

Average visibility in July
Westwood, MA

Average visibility in July - Westwood, 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).

Westwood, Massachusetts, USA

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