August weather forecast
Thornhill, Canada

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Weather in August

August, the last month of the summer in Thornhill, is another warm month, with an average temperature varying between 17.2°C (63°F) and 24.6°C (76.3°F).

Temperature

August's arrival brings an average high-temperature of a still moderately hot 24.6°C (76.3°F), slightly deviating from July's 25.1°C (77.2°F). Thornhill records an average nighttime low of 17.2°C (63°F) in August.

Humidity

The months with the lowest humidity in Thornhill are April, July and August, with an average relative humidity of 75%.

Rainfall

In Thornhill, in August, during 15.3 rainfall days, 50mm (1.97") of precipitation is typically accumulated. In Thornhill, during the entire year, the rain falls for 136.9 days and collects up to 456mm (17.95") of precipitation.

Snowfall

In Thornhill, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 56min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:40 pm. On the last day of August, in Thornhill, sunrise is at 6:41 am and sunset at 7:54 pm EDT.

Sunshine

In August, the average sunshine is 10.5h.

UV index

In August, the average daily maximum UV index in Thornhill, Canada, is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What is the usual temperature for Thornhill in August?

In August, in Thornhill, the average high-temperature is 24.6°C (76.3°F), and the average low-temperature is 17.2°C (63°F).

What is the least humid month in Thornhill?

The months with the lowest humidity in Thornhill, Canada, are April, July and August, with an average relative humidity of 75%.

What is the average humidity in August in Thornhill?

In Thornhill, the average relative humidity in August is 75%.

How much does it rain in Thornhill in August?

In Thornhill, during August, the rain falls for 15.3 days and regularly aggregates up to 50mm (1.97") of precipitation.

When it does not snow in Thornhill?

May through September are months without snowfall in Thornhill.

How many hours of daylight does Thornhill have in August?

The average day length in August is 13h and 56min.

When are sunrise and sunset in August in Thornhill?

On the first day of August in Thornhill, Canada, sunrise is at 6:07 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:54 pm EDT.

How many hours of sunshine does Thornhill have in August?

In Thornhill, Canada, the average sunshine duration in August is 10.5h.

What is the UV index reading in August in Thornhill?

In Thornhill, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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 temperature in August
Thornhill, Canada

Average temperature in August - Thornhill, Canada
  • Average high temperature in August: 24.6°C

The warmest month (with the highest average high temperature) is July (25.1°C).
The month with the lowest average high temperature is January (-2.7°C).

  • Average low temperature in August: 17.2°C

The month with the highest average low temperature is July (17.4°C).
The coldest month (with the lowest average low temperature) is January (-8°C).

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Average pressure in August
Thornhill, Canada

Average pressure in August - Thornhill, Canada
  • Average pressure in August: 1014.5mbar

The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013.1mbar).

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Average wind speed in August
Thornhill, Canada

Average wind speed in August - Thornhill, Canada
  • Average wind speed in August: 11.5km/h

The windiest month (with the highest average wind speed) is January (17.8km/h).
The calmest month (with the lowest average wind speed) is July (11km/h).

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Average humidity in August
Thornhill, Canada

Average humidity in August - Thornhill, Canada
  • Average humidity in August: 75%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (75%).

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Average rainfall in August
Thornhill, Canada

Average rainfall in August - Thornhill, Canada
  • Average rainfall in August: 50mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is February (23mm).

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Average rainfall days in August
Thornhill, Canada

Average rainfall days in August - Thornhill, Canada
  • Average rainfall days in August: 15.3 days

The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is February (4.6 days).

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Average snowfall in August
Thornhill, Canada

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

The month with the highest snowfall is February (82mm).
The months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in August
Thornhill, Canada

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

The month with the highest number of snowfall days is January (11.7 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
Thornhill, Canada

Average daylight in August / Average sunshine in August - Thornhill, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in August
Thornhill, Canada

Average sunshine days in August - Thornhill, Canada
  • Average sunshine days in August: 12.7 days

The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in August
Thornhill, Canada

Average UV index in August - Thornhill, 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
Thornhill, Canada

Average cloud cover in August - Thornhill, Canada
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in August
Thornhill, Canada

Average visibility in August - Thornhill, Canada
  • Average visibility in August: 10km

The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, November and December (9km).

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Thornhill, Canada

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