July weather forecast
Shirley, MA

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Weather in July

July, like June, in Shirley, Massachusetts, is a moderately hot summer month, with an average temperature varying between 62.2°F (16.8°C) and 82°F (27.8°C).

Temperature

Shirley, Massachusetts, notes the warmest temperatures in July, with a high average of 82°F (27.8°C) and a low of 62.2°F (16.8°C).

Heat index

For July, the heat index is estimated at a tropical 87.8°F (31°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight 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 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

The average relative humidity in July is 74%.

Rainfall

In Shirley, in July, during 14.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 142.2 rainfall days, and 26.97" (685mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Shirley, the average length of the day in July is 14h and 56min.
On the first day of July, sunrise is at 5:13 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:07 pm EDT.

Sunshine

In July, the average sunshine in Shirley is 10.2h.

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 exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during July translates into these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

Shirley reaches its average highest temperatures in July, measuring 82°F (27.8°C) at the peak and 62.2°F (16.8°C) at the lowest.

What are the temperatures in July?

The high-temperature, in July, in Shirley, records 82°F (27.8°C), while the low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is estimated at 87.8°F (31°C).

What is the average humidity in July in Shirley?

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

How many days does it rain in July?

In Shirley, in July, it is raining for 14.5 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Shirley have in July?

The average day length in July is 14h and 56min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 5:13 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:07 pm EDT.

How long on average sun shines in July?

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

What are the months with the highest UV index?

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

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 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
Shirley, MA

Average temperature in July - Shirley, 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 (31.3°F).

  • Average low temperature in July: 62.2°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in July
Shirley, MA

Average pressure in July - Shirley, 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
Shirley, MA

Average wind speed in July - Shirley, MA
  • Average wind speed in July: 5.5mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in July
Shirley, MA

Average humidity in July - Shirley, MA
  • Average humidity in July: 74%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).

Average rainfall in July
Shirley, MA

Average rainfall in July - Shirley, MA
  • Average rainfall in July: 1.97"

The wettest month (with the highest rainfall) is December (2.8").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in July
Shirley, MA

Average rainfall days in July - Shirley, MA
  • Average rainfall days in July: 14.5 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (7.7 days).

Average snowfall in July
Shirley, MA

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

The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Shirley, MA

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

The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Shirley, MA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in July
Shirley, MA

Average sunshine days in July - Shirley, MA
  • Average sunshine days in July: 14.6 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (13.5 days).

Average UV index in July
Shirley, MA

Average UV index in July - Shirley, 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
Shirley, MA

Average cloud cover in July - Shirley, 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
Shirley, MA

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

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

Shirley, Massachusetts, USA

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