July weather forecast
Canton, MA

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Weather in July

July, the same as June, is a moderately hot summer month in Canton, Massachusetts, with an average temperature ranging between min 64°F (17.8°C) and max 82°F (27.8°C).

Temperature

The warmest period tends to be July, when average temperatures fluctuate between a high of 82°F (27.8°C) and a low of 64°F (17.8°C).

Heat index

The average heat index in July is estimated at a hot 87.8°F (31°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

In Canton, Massachusetts, the average relative humidity in July is 75%.

Rainfall

In Canton, during July, the rain falls for 11.7 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Canton, during the entire year, the rain falls for 97.1 days and collects up to 7.13" (181mm) of precipitation.

Snowfall

In Canton, snow does not fall in June through October.

Daylight

In Canton, the average length of the day in July is 14h and 54min.
On the first day of July, sunrise is at 5:12 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:04 pm EDT.

Sunshine

In Canton, the average sunshine in July is 10.2h.

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 hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. 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. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

Canton's temperatures peak on average in July, reaching 82°F (27.8°C) at their highest and 64°F (17.8°C) at their lowest.

What are the temperatures in July?

In Canton, in July, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in July is estimated at 87.8°F (31°C).

What is the average humidity in July?

In July, the average relative humidity is 75%.

How much does it rain in July?

In July, the rain falls for 11.7 days. Throughout July, 0.67" (17mm) of precipitation is accumulated.

When it does not snow in Canton?

June through October are months without snowfall in Canton.

What is the average length of the day in July?

In Canton, the average day length in July is 14h and 54min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:12 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:04 pm EDT.

How long on average sun shines in July?

In July, the average sunshine duration is 10.2h.

What are the months 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 Canton?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
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
Canton, MA

Average temperature in July - Canton, 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 (34.3°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 (22.3°F).

Average pressure in July
Canton, MA

Average pressure in July - Canton, MA
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Canton, MA

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

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in July
Canton, MA

Average humidity in July - Canton, MA
  • Average humidity in July: 75%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

Average rainfall in July
Canton, MA

Average rainfall in July - Canton, MA
  • Average rainfall in July: 0.67"

The wettest month (with the highest rainfall) is April (0.79").
The driest month (with the least rainfall) is September (0.31").

Average rainfall days in July
Canton, MA

Average rainfall days in July - Canton, MA
  • Average rainfall days in July: 11.7 days

The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in July
Canton, MA

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

The months with the highest snowfall are March and December (0.91").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in July
Canton, MA

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

The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Canton, 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 12min).

  • Average sunshine in July: 10h and 1min

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
Canton, MA

Average sunshine days in July - Canton, MA
  • Average sunshine days in July: 16.8 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (16.8 days).

Average UV index in July
Canton, MA

Average UV index in July - Canton, 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
Canton, MA

Average cloud cover in July - Canton, 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 33).

Average visibility in July
Canton, MA

Average visibility in July - Canton, 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).

Canton, Massachusetts, USA

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