August weather forecast
Silverton, OR

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A long shot of the scenic high Upper North Falls in the Silver Falls State Park near Silverton, Oregon
A long shot of the scenic high Upper North Falls in the Silver Falls State Park near Silverton, Oregon

Weather in August

The last month of the summer, August, is another warm month in Silverton, Oregon, with an average temperature ranging between min 52.5°F (11.4°C) and max 80.2°F (26.8°C).

Temperature

August is the month when Silverton, Oregon, sees the highest average temperatures, with a high of 80.2°F (26.8°C) and a low of 52.5°F (11.4°C).

Humidity

The least humid month in Silverton is August, with an average relative humidity of 66%.

Rainfall

In Silverton, in August, during 4.3 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Silverton, during the entire year, the rain falls for 168.8 days and collects up to 30.39" (772mm) of precipitation.

Snowfall

In Silverton, snow does not fall in April through October.

Daylight

In Silverton, the average length of the day in August is 14h and 1min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:37 pm. On the last day of August, sunrise is at 6:33 am and sunset at 7:49 pm PDT.

Sunshine

August has the most sunshine of the year, with an average of 11.1h of sunshine.

UV index

The average daily maximum UV index in August in Silverton is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 during August translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What time of the year is the hottest in Silverton?

August, with its high-temperature average of 80.2°F (26.8°C) and a low-temperature average of 52.5°F (11.4°C), is the warmest month.

What is the temperature in August in Silverton?

In August, the average high-temperature and low-temperature in Silverton are 80.2°F (26.8°C) and 52.5°F (11.4°C) respectively.

What is the least humid month in Silverton?

The least humid month is August, with an average relative humidity of 66%.

What is the average humidity in August in Silverton?

In Silverton, the average relative humidity in August is 66%.

How much does it rain in Silverton in August?

In Silverton, Oregon, in August, it is raining for 4.3 days, with typically 0.39" (10mm) of accumulated precipitation.

When it does not snow in Silverton?

April through October are months without snowfall.

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

In August, the average day length in Silverton is 14h and 1min.

When is the sunrise / sunset in August in Silverton?

In August, on the first day of the month, sunrise is at 5:57 am and sunset at 8:37 pm. On the last day of the month, in Silverton, sunrise is at 6:33 am and sunset at 7:49 pm PDT.

What month has the most sunshine in Silverton?

With an average of 11.1h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August in Silverton?

In Silverton, Oregon, the average sunshine duration in August is 11.1h.

What is the UV index intensity in August in Silverton?

In August, the average daily maximum UV index in Silverton is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Silverton, OR

Average temperature in August - Silverton, OR
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in August: 52.5°F

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

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Average pressure in August
Silverton, OR

Average pressure in August - Silverton, OR
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in August
Silverton, OR

Average wind speed in August - Silverton, OR
  • Average wind speed in August: 4mph

The windiest month (with the highest average wind speed) is January (5.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity in August
Silverton, OR

Average humidity in August - Silverton, OR
  • Average humidity in August: 66%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).

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Average rainfall in August
Silverton, OR

Average rainfall in August - Silverton, OR
  • Average rainfall in August: 0.39"

The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in August
Silverton, OR

Average rainfall days in August - Silverton, OR
  • Average rainfall days in August: 4.3 days

The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (4.3 days).

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Average snowfall in August
Silverton, OR

Average snowfall in August - Silverton, OR
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Silverton, OR

Average snowfall days in August - Silverton, OR
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (2.4 days).
The 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
Silverton, OR

Average daylight in August / Average sunshine in August - Silverton, OR
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 11h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days in August
Silverton, OR

Average sunshine days in August - Silverton, OR
  • Average sunshine days in August: 24.5 days

The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is February (8.5 days).

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Average UV index in August
Silverton, OR

Average UV index in August - Silverton, OR
  • 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, February, November and December (UV index 2).

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Average cloud cover in August
Silverton, OR

Average cloud cover in August - Silverton, OR
  • Average cloud cover in August: 21

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in August
Silverton, OR

Average visibility in August - Silverton, OR
  • Average visibility in August: 6mi

The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).

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Silverton, Oregon, USA

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