July weather forecast
Westborough, MA

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Weather in July

July, like June, in Westborough, Massachusetts, is another warm summer month, with an average temperature ranging between max 82°F (27.8°C) and min 63°F (17.2°C).

Temperature

The temperatures reach their highest averages in July, with highs of 82°F (27.8°C) and lows of 63°F (17.2°C).

Heat index

In July, the average heat index is calculated to be a hot 87.8°F (31°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. 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 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

In July, the average relative humidity is 75%.

Rainfall

In Westborough, during July, the rain falls for 14.7 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Westborough, Massachusetts, during the entire year, the rain falls for 140.8 days and collects up to 26.34" (669mm) of precipitation.

Snowfall

In Westborough, snow does not fall in June through September.

Daylight

The average length of the day in July is 14h and 55min.
On the first day of the month, sunrise is at 5:14 am and sunset at 8:26 pm. On the last day of July, sunrise is at 5:39 am and sunset at 8:06 pm EDT.

Sunshine

In Westborough, the average sunshine in July is 10.1h.

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 exposure to the Sun's UV rays for the average person.
Note: In July, the UV index of 6 transforms into the following advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

Westborough experiences its highest temperatures in July, with an average peak of 82°F (27.8°C) and a low of 63°F (17.2°C).

What are the temperatures in July?

The average high-temperature, in July, in Westborough, is 82°F (27.8°C), while the average low-temperature is 63°F (17.2°C). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in July is calculated to be 87.8°F (31°C).

What is the average humidity in July?

In Westborough, the average relative humidity in July is 75%.

How much does it rain in July?

In July, the rain falls for 14.7 days. Throughout July, 2.05" (52mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in July?

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

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:14 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:06 pm EDT.

How many hours of sunshine does Westborough have in July?

In July, the average sunshine duration is 10.1h.

When is the highest UV index?

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

What is the UV index intensity in July in Westborough?

In July, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Westborough, MA

Average temperature in July - Westborough, 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 (32.5°F).

  • Average low temperature in July: 63°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in July
Westborough, MA

Average pressure in July - Westborough, 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
Westborough, MA

Average wind speed in July - Westborough, MA
  • Average wind speed in July: 5.7mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in July
Westborough, MA

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

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

Average rainfall in July
Westborough, MA

Average rainfall in July - Westborough, MA
  • Average rainfall in July: 2.05"

The wettest months (with the highest rainfall) are March, November and December (2.56").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in July
Westborough, MA

Average rainfall days in July - Westborough, MA
  • Average rainfall days in July: 14.7 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in July
Westborough, MA

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

The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Westborough, MA

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

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Westborough, MA

Average daylight in July / Average sunshine in July - Westborough, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in July
Westborough, MA

Average sunshine days in July - Westborough, MA
  • Average sunshine days in July: 14.1 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is April (13.4 days).

Average UV index in July
Westborough, MA

Average UV index in July - Westborough, 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
Westborough, MA

Average cloud cover in July - Westborough, MA
  • Average cloud cover in July: 36

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in July
Westborough, MA

Average visibility in July - Westborough, MA
  • Average visibility in July: 5mi

The months with the highest visibility are January, March, April, May, October, November and December (6mi).
The months with the lowest visibility are February, June, July, August and September (5mi).

Westborough, Massachusetts, USA

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