August weather forecast
Cannon Beach, OR

Weather in August

The last month of the summer, August, is also an enjoyable month in Cannon Beach, Oregon, with average temperature varying between 65.5°F (18.6°C) and 55°F (12.8°C).

Temperature

With an average high-temperature of 65.5°F (18.6°C) and an average low-temperature of 55°F (12.8°C), August is the warmest month.

Humidity

With an average relative humidity of 84%, August is the most humid month in Cannon Beach.

Rainfall

Months with the least rainfall are July and August Rain falls for 7.3 days and accumulates 0.47" (12mm) of rain.

Snowfall

April through November are months without snowfall in Cannon Beach.

Ocean temperature

In Cannon Beach, the average seawater temperature is 56.8°F (13.8°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

The average length of the day in August is 14.1h.

Sunshine

With an average of 10h of sunshine, August has the most sunshine of the year.

UV index

May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Cannon Beach?

The warmest month in Cannon Beach, Oregon, is August, with an average high-temperature of 65.5°F (18.6°C) and an average low-temperature of 55°F (12.8°C).

What is the most humid month in Cannon Beach?

August is the most humid month in Cannon Beach, with an average relative humidity of 84%.

What is the average humidity in August in Cannon Beach?

The average relative humidity in August in Cannon Beach is 84%.

What is the driest month in Cannon Beach?

Months with the least rainfall in Cannon Beach are July and August Rain falls for 7.3 days and accumulates 0.47" (12mm) of rain.

How many days does it rain in August in Cannon Beach?

In Cannon Beach, during August, the rain falls for 7.3 days and regularly aggregates up to 0.47" (12mm) of precipitation.

When it does not snow in Cannon Beach?

In Cannon Beach, Oregon, snow does not fall in April through November.

What is the water temperature in August in Cannon Beach?

In Cannon Beach, Oregon, in August, the average water temperature is 56.8°F (13.8°C). Swimming in 56.8°F (13.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Cannon Beach have in August?

In August, the average length of the day in Cannon Beach, Oregon, is 14.1h.

What month has the most sunshine in Cannon Beach?

The month with the most sunshine in Cannon Beach is August, with an average of 10h of sunshine.

How many hours of sunshine does Cannon Beach have in August?

In Cannon Beach, Oregon, the average sunshine in August is 10h.

What is the month with the highest UV index in Cannon Beach?

Months with the highest UV index in Cannon Beach, Oregon, are May through September, with an average maximum UV index of 4.

How high is the UV index in August in Cannon Beach?

In August, the average daily maximum UV index in Cannon Beach is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in August
Cannon Beach, OR

Average temperature in August - Cannon Beach, OR
  • Average high temperature in August: 18.6°C

The warmest month (with the highest average high temperature) is August (18.6°C).
The month with the lowest average high temperature is December (8.1°C).

  • Average low temperature in August: 12.8°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is December (4.7°C).

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Average pressure in August
Cannon Beach, OR

Average pressure in August - Cannon Beach, OR
  • Average pressure in August: 1017mbar

The month with the highest atmospheric pressure is January (1018.5mbar).
Months with the lowest atmospheric pressure are March and September (1016.6mbar).

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Average wind speed in August
Cannon Beach, OR

Average wind speed in August - Cannon Beach, OR
  • Average wind speed in August: 10.2km/h

The windiest month (with the highest average wind speed) is January (17.6km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).

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Average humidity in August
Cannon Beach, OR

Average humidity in August - Cannon Beach, OR
  • Average humidity in August: 84%

The month with the highest relative humidity is August (84%).
Months with the lowest relative humidity are January, March, April, May, October and December (81%).

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Average rainfall in August
Cannon Beach, OR

Average rainfall in August - Cannon Beach, OR
  • Average rainfall in August: 12mm

The wettest month (with the highest rainfall) is December (166mm).
The driest months (with the least rainfall) are July and August (12mm).

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Average rainfall days in August
Cannon Beach, OR

Average rainfall days in August - Cannon Beach, OR
  • Average rainfall days in August: 7.3 days

The month with the highest number of rainy days is March (20.8 days).
Months with the least rainy days are July and August (7.3 days).

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Average snowfall in August
Cannon Beach, OR

Average snowfall in August - Cannon Beach, OR
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (15mm).
Months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in August
Cannon Beach, OR

Average snowfall days in August - Cannon Beach, OR
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (1.3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in August
Cannon Beach, OR

Average sea temperature in August - Cannon Beach, OR
  • Average sea temperature in August: 13.8°C

The best month for swimming (with the highest average sea temperature) is July (14°C).
The coldest month (with the lowest average sea temperature) is February (9°C).

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Average daylight in August /
Average sunshine in August
Cannon Beach, OR

Average daylight in August / Average sunshine in August - Cannon Beach, OR
  • Average daylight in August: 14.1h

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in August: 10h

The month with the most sunshine is August (Average sunshine: 10h).
Months with the least sunshine are January and February (Average sunshine: 3.9).

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Average sunshine days in August
Cannon Beach, OR

Average sunshine days in August - Cannon Beach, OR
  • Average sunshine days in August: 21.2 days

The month with the most sunshine days is August (21.2 days).
The month with the least sunshine days is February (7.5 days).

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Average UV index in August
Cannon Beach, OR

Average UV index in August - Cannon Beach, OR
  • Average UV index in August: 4

Months with the highest UV index are May, June, July, August and September (UV index 4).
Months with the lowest UV index are February, November and December (UV index 2).

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Average cloud cover in August
Cannon Beach, OR

Average cloud cover in August - Cannon Beach, OR
  • Average cloud cover in August: 35

Months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in August
Cannon Beach, OR

Average visibility in August - Cannon Beach, OR
  • Average visibility in August: 8km

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

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