July weather forecast
Belmont, MA

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Weather in July

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

Temperature

Temperature readings reach their annual highs in July, averaging 82°F (27.8°C) and a minimum average of 64.4°F (18°C).

Heat index

The average heat index in July is calculated to be a tropical 87.8°F (31°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
One should consider that heat index numbers are for shaded settings and light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

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

Rainfall

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

Snowfall

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

Daylight

The average length of the day in July is 14h and 55min.
On the first day of July, 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 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 unprotected exposure to Sun's UV rays for average individuals.
Note: In July, an average UV index of 6 transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

In Belmont, July registers the highest temperatures, averaging 82°F (27.8°C) at the peak and 64.4°F (18°C) at the lowest.

What is the average July temperature?

During July, Belmont experiences an average high-temperature of 82°F (27.8°C) and a low-temperature of 64.4°F (18°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 87.8°F (31°C).

What is the average humidity in July?

The average relative humidity in July is 73%.

How much does it rain in July?

In July, the rain falls for 15.3 days. Throughout July, 1.97" (50mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Belmont have in July?

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

What time are sunrise and sunset in July in Belmont?

On the first day of July, 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.

How many hours of sunshine does Belmont have in July?

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

What is the month with the highest UV index?

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

What is the UV index reading in July?

In Belmont, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
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).

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).

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).

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%).

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").

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).

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").

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).

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 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
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).

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).

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).

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).

Belmont, Massachusetts, USA

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