August weather forecast
Canton, MA

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Weather in August

The last month of the summer, August, is another warm month in Canton, Massachusetts, with an average temperature varying between 81°F (27.2°C) and 62.8°F (17.1°C).

Temperature

Canton marks the onset of August with an average high-temperature of a still moderately hot 81°F (27.2°C), subtly divergent from July's 82°F (27.8°C). Canton records an average temperature drop to an enjoyable 62.8°F (17.1°C) in August.

Heat index

August's heat index is calculated to be a hot 86°F (30°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity is 75%.

Rainfall

In August, in Canton, the rain falls for 8.8 days. Throughout August, 0.55" (14mm) of precipitation is accumulated. In Canton, during the entire year, the rain falls for 97.1 days and collects up to 7.13" (181mm) of precipitation.

Snowfall

June through October are months without snowfall in Canton.

Daylight

In August, the average length of the day is 13h and 50min.
On the first day of August in Canton, sunrise is at 5:38 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:19 pm EDT.

Sunshine

With an average of 10.5h of sunshine, August has the most sunshine of the year in Canton.

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 exposure to the Sun's UV radiation for the average person.
Note: The UV index of 6 during August leads to these advisories:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. 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. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the usual temperature for Canton in August?

The high-temperature, in August, in Canton, is 81°F (27.2°C), while the low-temperature averages to 62.8°F (17.1°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is calculated to be 86°F (30°C).

What is the average humidity in August in Canton?

The average relative humidity in August in Canton is 75%.

How much does it rain in Canton in August?

In Canton, in August, during 8.8 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

When it does not snow in Canton?

June through October are months without snowfall in Canton, Massachusetts.

What is the average length of the day in August in Canton?

In August, the average day length is 13h and 50min.

When is the sunrise / sunset in August in Canton?

In August, on the first day of the month, sunrise is at 5:38 am and sunset at 8:03 pm. On the last day of the month, in Canton, sunrise is at 6:09 am and sunset at 7:19 pm EDT.

What month has the most sunshine in Canton?

With an average of 10.5h of sunshine, August has the most sunshine of the year in Canton, Massachusetts.

How many hours of sunshine does Canton have in August?

The average sunshine duration in August in Canton, Massachusetts, is 10.5h.

When is the highest UV index in Canton?

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

How high is the UV index in August in Canton?

In Canton, Massachusetts, the average daily maximum UV index in August is 6. A UV Index 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 August
Canton, MA

Average temperature in August - Canton, MA
  • Average high temperature in August: 81°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 August: 62.8°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).

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Average pressure in August
Canton, MA

Average pressure in August - Canton, MA
  • Average pressure in August: 29.98"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).

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Average wind speed in August
Canton, MA

Average wind speed in August - Canton, MA
  • Average wind speed in August: 5.8mph

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).

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Average humidity in August
Canton, MA

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

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 August
Canton, MA

Average rainfall in August - Canton, MA
  • Average rainfall in August: 0.55"

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

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Average rainfall days in August
Canton, MA

Average rainfall days in August - Canton, MA
  • Average rainfall days in August: 8.8 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).

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Average snowfall in August
Canton, MA

Average snowfall in August - Canton, MA
  • Average snowfall in August: 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").

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Average snowfall days in August
Canton, MA

Average snowfall days in August - Canton, MA
  • Average snowfall days in August: 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).

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

Average daylight in August / Average sunshine in August - Canton, MA
  • Average daylight in August: 13h 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 August: 10h and 3min

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 August
Canton, MA

Average sunshine days in August - Canton, MA
  • Average sunshine days in August: 19.8 days

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

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Average UV index in August
Canton, MA

Average UV index in August - Canton, MA
  • Average UV index in August: 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 August
Canton, MA

Average cloud cover in August - Canton, MA
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in August
Canton, MA

Average visibility in August - Canton, MA
  • Average visibility in August: 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).

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Canton, Massachusetts, USA

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