July weather forecast
Sterling, MA

Weather in July

July, the same as June, is another warm summer month in Sterling, Massachusetts, with average temperature fluctuating between 81.9°F (27.7°C) and 62.2°F (16.8°C).

Temperature

With an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 62.2°F (16.8°C), July is the warmest month.

Heat index

The average heat index is appraised at a hot 87.3°F (30.7°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like clothing, metabolic differences, differences in body mass, height, and shape, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In July, the rain falls for 16 days. Throughout July, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 150.4 rainfall days, and 28.86" (733mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Sterling.

Daylight

In July, the average length of the day is 14.9h.

Sunshine

The average sunshine in Sterling is 10.1h.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
[Resources]

FAQ

What is the warmest month in Sterling?

The warmest month is July, with an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 62.2°F (16.8°C).

What is the temperature in July in Sterling?

In Sterling, in July, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in July is appraised at 87.3°F (30.7°C).

What is the average humidity in July in Sterling?

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

How many days does it rain in July in Sterling?

In Sterling, in July, during 16 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow in Sterling?

June through September are months without snowfall in Sterling.

How many hours of daylight does Sterling have in July?

The average length of the day in July in Sterling, Massachusetts, is 14.9h.

How long on average sun shines in July in Sterling?

The average sunshine in July in Sterling is 10.1h.

What are the months with the highest UV index in Sterling?

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

What is the UV index intensity in July in Sterling?

In Sterling, Massachusetts, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.

Average temperature in July
Sterling, MA

Average temperature in July - Sterling, 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 (31.5°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 (19.8°F).

[Resources]

Average pressure in July
Sterling, MA

Average pressure in July - Sterling, MA
  • Average pressure in July: 29.94"

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

[Resources]

Average wind speed in July
Sterling, MA

Average wind speed in July - Sterling, MA
  • Average wind speed in July: 5.6mph

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).

[Resources]

Average humidity in July
Sterling, MA

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

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

[Resources]

Average rainfall in July
Sterling, MA

Average rainfall in July - Sterling, MA
  • Average rainfall in July: 2.32"

The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.57").

[Resources]

Average rainfall days in July
Sterling, MA

Average rainfall days in July - Sterling, MA
  • Average rainfall days in July: 16 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (7.3 days).

[Resources]

Average snowfall in July
Sterling, MA

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

The month with the highest snowfall is February (6.1").
Months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in July
Sterling, MA

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

The month with the highest number of snowfall days is February (9.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in July / Average sunshine in July - Sterling, MA
  • Average daylight in July: 14.9h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in July: 10.1h

The month with the most sunshine is August (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.6h).

[Resources]

Average sunshine days in July
Sterling, MA

Average sunshine days in July - Sterling, MA
  • Average sunshine days in July: 12.8 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.8 days).

[Resources]

Average UV index in July
Sterling, MA

Average UV index in July - Sterling, MA
  • Average UV index in July: 6

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

[Resources]

Average cloud cover in July
Sterling, MA

Average cloud cover in July - Sterling, 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).

[Resources]

Average visibility in July
Sterling, MA

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

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location