July weather forecast
Belmont, MA

Weather in July

July, the same as June, is another warm summer month in Belmont, Massachusetts, with an average temperature varying between 64.4°F (18°C) and 82°F (27.8°C).

Temperature

July is the warmest month, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 64.4°F (18°C).

Heat index

The average heat index in July is evaluated at a tropical 87.3°F (30.7°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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, wind, 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Belmont, Massachusetts, the average relative humidity in July is 73%.

Rainfall

In July, in Belmont, the rain falls for 15.3 days. Throughout July, 1.97" (50mm) of precipitation is accumulated. In Belmont, Massachusetts, during the entire year, the rain falls for 142.8 days and collects up to 27.36" (695mm) of precipitation.

Snowfall

In Belmont, Massachusetts, snow does not fall in June through September.

Daylight

In July, the average length of the day in Belmont is 14h and 55min.
On the first day of July in Belmont, Massachusetts, sunrise is at 5:11 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:05 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Belmont are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Belmont?

With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 64.4°F (18°C), July is the warmest month in Belmont, Massachusetts.

What is the temperature in July in Belmont?

In Belmont, Massachusetts, in July, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 64.4°F (18°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 87.3°F (30.7°C).

What is the average humidity in July in Belmont?

In Belmont, the average relative humidity in July is 73%.

How much does it rain in Belmont in July?

In Belmont, in July, it is raining for 15.3 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Belmont?

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

What is the average length of the day in July in Belmont?

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

What time are sunrise and sunset in July in Belmont?

In July, on the first day of the month, sunrise is at 5:11 am and sunset at 8:25 pm. On the last day of the month, in Belmont, Massachusetts, sunrise is at 5:36 am and sunset at 8:05 pm EDT.

How many hours of sunshine does Belmont have in July?

In July, the average sunshine duration in Belmont is 10.3h.

When is the highest UV index in Belmont?

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

What is the UV index intensity in July in Belmont?

In July, the average daily maximum UV index in Belmont, Massachusetts, is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Belmont, MA

Average temperature in July - Belmont, 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 (33.4°F).

  • Average low temperature in July: 64.4°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure in July
Belmont, MA

Average pressure in July - Belmont, 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).

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Average wind speed in July
Belmont, MA

Average wind speed in July - Belmont, MA
  • Average wind speed in July: 6mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in July
Belmont, MA

Average humidity in July - Belmont, MA
  • Average humidity in July: 73%

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
Belmont, MA

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

The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in July
Belmont, MA

Average rainfall days in July - Belmont, MA
  • Average rainfall days in July: 15.3 days

The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in July
Belmont, MA

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

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Belmont, MA

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

The month with the highest number of snowfall days is January (7.7 days).
The 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
Belmont, MA

Average daylight in July / Average sunshine in July - Belmont, MA
  • Average daylight in July: 14h and 55min

The month with the longest days is June (Average daylight: 15h and 14min).
The month with the shortest days is December (Average daylight: 9h and 8min).

  • Average sunshine in July: 10h and 18min

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).

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Average sunshine days in July
Belmont, MA

Average sunshine days in July - Belmont, MA
  • Average sunshine days in July: 14.2 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is April (13.3 days).

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Average UV index in July
Belmont, MA

Average UV index in July - Belmont, 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).

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Average cloud cover in July
Belmont, MA

Average cloud cover in July - Belmont, MA
  • Average cloud cover in July: 34

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
Belmont, MA

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

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

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