July weather forecast
Newton, MA

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

July, like June, in Newton, Massachusetts, is another warm summer month, with average temperature ranging between min 64°F (17.8°C) and max 81.9°F (27.7°C).

Temperature

With an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 64°F (17.8°C), July is the warmest month.

Heat index

The average heat index is appraised at a hot 87.1°F (30.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity 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', 'felt air temperature', 'real feel', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, pregnancy, clothing). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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

The average relative humidity in July is 74%.

Rainfall

In July, the rain falls for 10.2 days. Throughout July, 0.51" (13mm) of precipitation is accumulated. Throughout the year, in Newton, Massachusetts, there are 85.9 rainfall days, and 5.87" (149mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall in Newton.

Daylight

In Newton, Massachusetts, the average length of the day is 14.9h.

Sunshine

The average sunshine in July is 10.3h.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Newton?

With an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 64°F (17.8°C), July is the warmest month.

What is the temperature in July in Newton?

In July, in Newton, Massachusetts, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 64°F (17.8°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 87.1°F (30.6°C).

What is the average humidity in July in Newton?

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

How much does it rain in Newton in July?

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

When it does not snow in Newton?

June through October are months without snowfall.

How many hours of daylight does Newton have in July?

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

How long on average sun shines in July in Newton?

The average sunshine 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 in Newton, Massachusetts, is 6. A UV Index reading of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV radiation.

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).

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Average pressure in July
Newton, MA

Average pressure in July - Newton, 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").

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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).

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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%).

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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").

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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).

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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").
Months with the least snowfall are June, July, August, September and October (0").

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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).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Newton, 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: 10.3h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in July
Newton, MA

Average sunshine days in July - Newton, MA
  • Average sunshine days in July: 17.8 days

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).

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Average UV index in July
Newton, MA

Average UV index in July - Newton, 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).

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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).

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Average visibility in July
Newton, MA

Average visibility in July - Newton, MA
  • Average visibility in July: 6mi

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

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