August weather forecast
Mississauga, Canada

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Weather in August

August’s weather remains much on par with July's, with maximum recorded average temperatures witnessing only a small dip to 24.6°C (76.3°F). This continuation of summer heat promotes outdoor events and activities throughout the city. Despite being a peak summer month, rainfall is lesser than the previous months, allowing more sunlit days and outdoor fun. Being one of the warmest months with balmy sea temperatures, August is a favored time for beach visits and water activities. Cloud cover is minimal, ensuring clear skies most of the month.

Temperature

With August's arrival, Mississauga notes an average high-temperature of a still warm 24.6°C (76.3°F), closely following the trend of the preceding month. Mississauga, in August, experiences an average temperature of 18.5°C (65.3°F) at night.

Humidity

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

Rainfall

In Mississauga, in August, it is raining for 17 days, with typically 70mm (2.76") of accumulated precipitation. In Mississauga, during the entire year, the rain falls for 177.2 days and collects up to 786mm (30.94") of precipitation.

Snowfall

June through September are months without snowfall in Mississauga.

Sea temperature

The month with the warmest seawater is August, with an average sea temperature of 22.3°C (72.1°F).
Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 22.3°C (72.1°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)

Daylight

The average length of the day in August in Mississauga is 13h and 55min.
On the first day of August, sunrise is at 6:08 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 7:55 pm EDT.

Sunshine

In August, the average sunshine is 10.6h.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Be alert! The reflection of water and sand augments UV radiation intensity.
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Frequently asked questions

What are the temperatures in Mississauga in August?

The high-temperature, in August, in Mississauga, is 24.6°C (76.3°F), while the low-temperature averages to 18.5°C (65.3°F).

What is the average humidity in August in Mississauga?

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

How much does it rain in Mississauga in August?

In Mississauga, in August, it is raining for 17 days, with typically 70mm (2.76") of accumulated precipitation.

When it does not snow in Mississauga?

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

What month is the sea warmest in Mississauga?

With an average sea temperature of 22.3°C (72.1°F), August is the month with the warmest seawater in Mississauga, Canada.

How warm is the water in August in Mississauga?

In August, the average sea temperature in Mississauga, Canada, is 22.3°C (72.1°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 22.3°C (72.1°F) water may be enjoyable.

How many hours of daylight does Mississauga have in August?

The average day length in August is 13h and 55min.

When is the sunrise / sunset in August in Mississauga?

On the first day of August, sunrise is at 6:08 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 7:55 pm EDT.

How many hours of sunshine does Mississauga have in August?

In August, the average sunshine duration in Mississauga, Canada, is 10.6h.

What is the month with the highest UV index in Mississauga?

July and August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in August in Mississauga?

In August, the average daily maximum UV index in Mississauga, Canada, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from 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
Mississauga, Canada

Average temperature in August - Mississauga, Canada
  • Average high temperature in August: 24.6°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 (-1.4°C).

  • Average low temperature in August: 18.5°C

The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).

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Average pressure in August
Mississauga, Canada

Average pressure in August - Mississauga, Canada
  • Average pressure in August: 1014.8mbar

The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

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Average wind speed in August
Mississauga, Canada

Average wind speed in August - Mississauga, Canada
  • Average wind speed in August: 13.1km/h

The windiest month (with the highest average wind speed) is January (21km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).

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Average humidity in August
Mississauga, Canada

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

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is September (74%).

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Average rainfall in August
Mississauga, Canada

Average rainfall in August - Mississauga, Canada
  • Average rainfall in August: 70mm

The wettest month (with the highest rainfall) is July (80mm).
The driest months (with the least rainfall) are September and November (55mm).

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Average rainfall days in August
Mississauga, Canada

Average rainfall days in August - Mississauga, Canada
  • Average rainfall days in August: 17 days

The month with the highest number of rainy days is October (18.9 days).
The month with the least rainy days is February (8.8 days).

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Average snowfall in August
Mississauga, Canada

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

The month with the highest snowfall is February (127mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in August
Mississauga, Canada

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

The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in August
Mississauga, Canada

Average sea temperature in August - Mississauga, Canada
  • Average sea temperature in August: 22.3°C

The best month for swimming (with the highest average sea temperature) is August (22.3°C).
The coldest months (with the lowest average sea temperature) are February and March (1.4°C).

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

Average daylight in August / Average sunshine in August - Mississauga, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in August
Mississauga, Canada

Average sunshine days in August - Mississauga, Canada
  • Average sunshine days in August: 11 days

The month with the most sunshine days is September (13 days).
The month with the least sunshine days is January (7.5 days).

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Average UV index in August
Mississauga, Canada

Average UV index in August - Mississauga, Canada
  • Average UV index in August: 6

The months with the highest UV index are July and August (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
Mississauga, Canada

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

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in August
Mississauga, Canada

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

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).

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Mississauga, Canada

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