July weather forecast
Newton, MA

Share
Ancient historic buildings within the Union Historic District in Newton City, Massachusetts
Ancient historic buildings within the Union Historic District in Newton City, Massachusetts

Weather in July

The peak of summer, July, also marks the hottest month in Newton. High temperatures stretch to a sweltering 81.9°F (27.7°C) while the lows reflect a warm 64°F (17.8°C). Despite the generous daylight hours, the town does not fully escape the cloud cover, resulting in a mix of sun-soaked and shadowy periods. The rainfall fails to provide any significant relief from the searing temperatures, remaining at average levels. Even winds slow their pace during July, resulting in a typical New England summer experience.

Temperature

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

Heat index

In July, the heat index is estimated at a hot 87.8°F (31°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

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

Rainfall

In Newton, Massachusetts, during July, the rain falls for 10.2 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Newton, 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 in Newton.

Daylight

In July, the average length of the day 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, in Newton, sunrise is at 5:37 am and sunset at 8:05 pm EDT.

Sunshine

The average sunshine in July in Newton 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 value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 6 in July translates into the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete 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]

Frequently asked questions

What time of the year is the hottest in Newton?

During the warmest month in Newton, July, temperatures average a high of 81.9°F (27.7°C) and a low of 64°F (17.8°C).

What is the temperature in July in Newton?

Newton in July has an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 64°F (17.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in July is estimated at 87.8°F (31°C).

What is the average humidity in July in Newton?

The average relative humidity in July in Newton is 74%.

How much does it rain in Newton in July?

In July, the rain falls for 10.2 days. Throughout July, 0.51" (13mm) of precipitation is accumulated.

When it does not snow in Newton?

June through October are months without snowfall in Newton.

How many hours of daylight does Newton have in July?

In Newton, Massachusetts, the average day length in July is 14h and 55min.

When are sunrise and sunset in July in Newton?

On the first day of July in Newton, 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 long on average sun shines in July in Newton?

The average sunshine duration in July is 10.3h.

What is the month with the highest UV index in Newton?

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

What is the UV index intensity in July in Newton?

In Newton, Massachusetts, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Newton, MA

Average temperature in July - Newton, 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).

[Resources]

Average pressure in July
Newton, MA

Average pressure in July - Newton, 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).

[Resources]

Average wind speed in July
Newton, MA

Average wind speed in July - Newton, 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).

[Resources]

Average humidity in July
Newton, MA

Average humidity in July - Newton, 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%).

[Resources]

Average rainfall in July
Newton, MA

Average rainfall in July - Newton, 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").

[Resources]

Average rainfall days in July
Newton, MA

Average rainfall days in July - Newton, 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).

[Resources]

Average snowfall in July
Newton, MA

Average snowfall in July - Newton, 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").

[Resources]

Average snowfall days in July
Newton, MA

Average snowfall days in July - Newton, 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).

[Resources]

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

Average daylight in July / Average sunshine in July - Newton, 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).

[Resources]

Average sunshine days in July
Newton, MA

Average sunshine days in July - Newton, 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).

[Resources]

Average UV index in July
Newton, MA

Average UV index in July - Newton, 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).

[Resources]

Average cloud cover in July
Newton, MA

Average cloud cover in July - Newton, 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).

[Resources]

Average visibility in July
Newton, MA

Average visibility in July - Newton, 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).

[Resources]

Newton, Massachusetts, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location