August weather forecast and climate
Chemainus, Canada

Weather in August

The last month of the summer, August, is also an agreeable month in Chemainus, Canada, with temperature in the range of an average high of 20.4°C (68.7°F) and an average low of 12°C (53.6°F).

Temperature

The warmest month is August, with an average high-temperature of 20.4°C (68.7°F) and an average low-temperature of 12°C (53.6°F).

Humidity

In August, the average relative humidity is 76%.

Rainfall

In Chemainus, it is raining for 9.3 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, there are 201.4 rainfall days, and 1213mm (47.76") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day is 14.3h.

Sunshine

In August, the average sunshine in Chemainus is 10.3h.

UV index

The average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Chemainus?

August is the warmest month, with an average high-temperature of 20.4°C (68.7°F) and an average low-temperature of 12°C (53.6°F).

What is the temperature in August in Chemainus?

The average high-temperature, in August, in Chemainus, is 20.4°C (68.7°F), while the average low-temperature is 12°C (53.6°F).

What is the average humidity in August in Chemainus?

In Chemainus, Canada, the average relative humidity in August is 76%.

How many days does it rain in August in Chemainus?

In Chemainus, in August, it is raining for 9.3 days, with typically 42mm (1.65") of accumulated precipitation.

When it does not snow in Chemainus?

In Chemainus snow does not fall in May through October.

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

In Chemainus, the average length of the day in August is 14.3h.

How long on average sun shines in August in Chemainus?

In Chemainus, Canada, the average sunshine in August is 10.3h.

What is the UV index intensity in August in Chemainus?

In Chemainus, Canada, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in August
Chemainus, Canada

Average temperature in August - Chemainus, Canada
  • Average high temperature in August: 20.4°C

The warmest month (with the highest average high temperature) is August (20.4°C).
The month with the lowest average high temperature is December (4.1°C).

  • Average low temperature in August: 12°C

The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is December (0.5°C).

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Average pressure in August
Chemainus, Canada

Average pressure in August - Chemainus, Canada
  • Average pressure in August: 1016.6mbar

The month with the highest atmospheric pressure is July (1017.7mbar).
The month with the lowest atmospheric pressure is March (1015.4mbar).

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Average wind speed in August
Chemainus, Canada

Average wind speed in August - Chemainus, Canada
  • Average wind speed in August: 5.5km/h

The windiest month (with the highest average wind speed) is November (9.4km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).

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Average humidity in August
Chemainus, Canada

Average humidity in August - Chemainus, Canada
  • Average humidity in August: 76%

Months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in August
Chemainus, Canada

Average rainfall in August - Chemainus, Canada
  • Average rainfall in August: 42mm

The wettest month (with the highest rainfall) is January (189mm).
The driest month (with the least rainfall) is July (27mm).

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Average rainfall days in August
Chemainus, Canada

Average rainfall days in August - Chemainus, Canada
  • Average rainfall days in August: 9.3 days

The month with the highest number of rainy days is March (22.3 days).
The month with the least rainy days is August (9.3 days).

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Average snowfall in August
Chemainus, Canada

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

The month with the highest snowfall is February (143mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in August
Chemainus, Canada

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

The month with the highest number of snowfall days is February (4.3 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Chemainus, Canada
  • Average daylight in August: 14.3h

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.3h).

  • Average sunshine in August: 10.3h

The month with the most sunshine is July (Average sunshine: 10.4h).
Months with the least sunshine are January and December (Average sunshine: 3.6).

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Average sunshine days in August
Chemainus, Canada

Average sunshine days in August - Chemainus, Canada
  • Average sunshine days in August: 18.5 days

The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is March (7.2 days).

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Average UV index in August
Chemainus, Canada

Average UV index in August - Chemainus, Canada
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Chemainus, Canada

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

The month with the most cloud cover is January (Cloud cover 63).
Months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in August
Chemainus, Canada

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

Months with the highest visibility are March, April, May, June, July, August, September and October (9km).
Months with the lowest visibility are January, February, November and December (8km).

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