July weather forecast
Newton, MA

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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

Newton experiences its highest temperatures in July, with an average peak of 81.9°F (27.7°C) and a low of 64°F (17.8°C).

Heat index

July's heat index is appraised at a tropical 87.8°F (31°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long 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. Throughout the year, there are 85.9 rainfall days, and 5.87" (149mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day in July is 14h and 55min.
On the first day of July, 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.

Sunshine

In Newton, the average sunshine in July is 10.3h.

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 threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 6 in July translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What is the hottest time of year?

Newton's warmest month, July, generally records average temperatures ranging from a high of 81.9°F (27.7°C) to a low of 64°F (17.8°C).

What is the temperature in July?

In Newton, 81.9°F (27.7°C) is the average high-temperature and 64°F (17.8°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in July?

In July, the average relative humidity is 74%.

How many days does it rain in July?

In Newton, in July, during 10.2 rainfall days, 0.51" (13mm) 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 Newton, the average day length in July is 14h and 55min.

When are sunrise and 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 8:05 pm EDT.

How many hours of sunshine does Newton have 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.

How high is the UV index in July?

In Newton, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Newton, Massachusetts, USA

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