August weather forecast
Markham, Canada

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Weather in August

The weather in August offers no respite from the summer temperatures of July, continuing the trend of warm days. However, there's a slight fall in the maximum temperatures compared to July. The city experiences an average rainfall of 75mm (2.95"), a little less than that of July. Similar to July, daytime temperatures tend to remain high making August another great month for outdoor enthusiasts. The general mood in Markham is lively, with clear skies making for wonderful summer nights.

Temperature

The arrival of August in Markham brings an average high-temperature of a still warm 24.3°C (75.7°F), closely following the temperature pattern of July. During the month of August, Markham anticipates a mean low-temperature of 16.6°C (61.9°F).

Humidity

In August, the average relative humidity in Markham, Canada, is 77%.

Rainfall

In Markham, during August, the rain falls for 18.3 days and regularly aggregates up to 75mm (2.95") of precipitation. Throughout the year, there are 157.1 rainfall days, and 653mm (25.71") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August is 13h and 56min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:40 pm. On the last day of August, in Markham, sunrise is at 6:40 am and sunset at 7:54 pm EDT.

Sunshine

In August, the average sunshine is 10.4h.

UV index

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 5 in August translates into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What is the usual temperature for Markham in August?

Markham in August has an average high-temperature of 24.3°C (75.7°F) and an average low-temperature of 16.6°C (61.9°F).

What is the average humidity in August in Markham?

The average relative humidity in August in Markham is 77%.

How many days does it rain in August in Markham?

In August, in Markham, the rain falls for 18.3 days. Throughout August, 75mm (2.95") of precipitation is accumulated.

When it does not snow in Markham?

In Markham, Canada, snow does not fall in June through September.

How many hours of daylight does Markham have in August?

In August, the average day length is 13h and 56min.

When is the sunrise / sunset in August in Markham?

In August, on the first day of the month, sunrise is at 6:06 am and sunset at 8:40 pm. On the last day of the month, in Markham, sunrise is at 6:40 am and sunset at 7:54 pm EDT.

How long on average sun shines in August in Markham?

The average sunshine duration in August in Markham, Canada, is 10.4h.

How high is the UV index in August in Markham?

In Markham, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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 August
Markham, Canada

Average temperature in August - Markham, Canada
  • Average high temperature in August: 24.3°C

The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-3.2°C).

  • Average low temperature in August: 16.6°C

The months with the highest average low temperature are July and August (16.6°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).

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Average pressure in August
Markham, Canada

Average pressure in August - Markham, Canada
  • Average pressure in August: 1014.4mbar

The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).

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Average wind speed in August
Markham, Canada

Average wind speed in August - Markham, Canada
  • Average wind speed in August: 11.3km/h

The windiest month (with the highest average wind speed) is January (17.5km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).

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Average humidity in August
Markham, Canada

Average humidity in August - Markham, Canada
  • Average humidity in August: 77%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in August
Markham, Canada

Average rainfall in August - Markham, Canada
  • Average rainfall in August: 75mm

The wettest month (with the highest rainfall) is July (78mm).
The driest month (with the least rainfall) is February (30mm).

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Average rainfall days in August
Markham, Canada

Average rainfall days in August - Markham, Canada
  • Average rainfall days in August: 18.3 days

The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is February (5.9 days).

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Average snowfall in August
Markham, Canada

Average snowfall in August - Markham, Canada
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (118mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in August
Markham, Canada

Average snowfall days in August - Markham, Canada
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Markham, Canada

Average daylight in August / Average sunshine in August - Markham, Canada
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in August
Markham, Canada

Average sunshine days in August - Markham, Canada
  • Average sunshine days in August: 9 days

The month with the most sunshine days is March (14.9 days).
The month with the least sunshine days is August (9 days).

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Average UV index in August
Markham, Canada

Average UV index in August - Markham, Canada
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in August
Markham, Canada

Average cloud cover in August - Markham, Canada
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in August
Markham, Canada

Average visibility in August - Markham, Canada
  • Average visibility in August: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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Markham, Canada

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