August weather forecastCanton, MA
August
Weather in August
August, the last month of the summer in Canton, is also a moderately hot month, with an average temperature fluctuating between 81°F (27.2°C) and 62.8°F (17.1°C).Temperature
Canton signifies an average high-temperature of a still warm 81°F (27.2°C) in August, closely mirroring the 82°F (27.8°C) of July. Canton, during the month of August, experiences an average low-temperature of 62.8°F (17.1°C).Heat index
For most parts of August, the heat index is estimated at a tropical 86°F (30°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Note that heat index values are valued for light wind and location in the shade. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
The average relative humidity in August is 75%.Rainfall
In Canton, in August, it is raining for 8.8 days, with typically 0.55" (14mm) of accumulated precipitation. 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 the month, sunrise is at 5:38 am and sunset at 8:03 pm. On the last day of August, in Canton, 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.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 6 during August morphs into the following directions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in August /
Average sunshine in August
Canton, MA
- Average daylight in August: 13h and 48min
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 30min
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 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).
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).
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).
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).





