August weather forecast
Troutdale, OR

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Weather in August

August in Troutdale maintains July's weather patterns with high temperatures and low rainfall, making it the second warmest month. The sunny days persist, with a relative decline in rainfall that is a characteristic of the summer season. The clear skies allow for a good deal of sunshine, along with prolonged daylight hours. Wind speed and cloud coverage remain consistent with previous months. Even though it's not quite as hot as July, August still ensures a continuation of summer fun.

Temperature

In Troutdale, Oregon, the month of August is known for its highest average temperatures, reaching a high of 79.7°F (26.5°C) and a low of 52.7°F (11.5°C).

Humidity

The least humid month in Troutdale is August, with an average relative humidity of 65%.

Rainfall

In Troutdale, during August, the rain falls for 4.1 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Troutdale, during the entire year, the rain falls for 171 days and collects up to 37.2" (945mm) of precipitation.

Snowfall

April through October are months without snowfall in Troutdale.

Daylight

In Troutdale, Oregon, the average length of the day in August is 14h and 3min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:37 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:48 pm PDT.

Sunshine

August has the most sunshine of the year, with an average of 11h of sunshine.

UV index

In Troutdale, Oregon, the average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 4 in August translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What month is the hottest in Troutdale?

Troutdale's August weather, with an average high temperature of 79.7°F (26.5°C) and an average low temperature of 52.7°F (11.5°C), tends to be the warmest of the year.

What are the temperatures in Troutdale in August?

In August, in Troutdale, the average high-temperature is 79.7°F (26.5°C), and the average low-temperature is 52.7°F (11.5°C).

What is the least humid month in Troutdale?

The least humid month in Troutdale is August, with an average relative humidity of 65%.

What is the average humidity in August in Troutdale?

The average relative humidity in August in Troutdale is 65%.

How much does it rain in Troutdale in August?

In Troutdale, in August, during 4.1 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

When it does not snow in Troutdale?

April through October are months without snowfall in Troutdale.

How many hours of daylight does Troutdale have in August?

The average day length in August in Troutdale is 14h and 3min.

What time are sunrise and sunset in August in Troutdale?

On the first day of August in Troutdale, Oregon, sunrise is at 5:54 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:48 pm PDT.

What month has the most sunshine in Troutdale?

With an average of 11h of sunshine, August has the most sunshine of the year in Troutdale.

How long on average sun shines in August in Troutdale?

In August, the average sunshine duration in Troutdale is 11h.

What is the UV index intensity in August in Troutdale?

The average daily maximum UV index in August in Troutdale is 4. A UV Index reading of 3 to 5 represents a medium health risk 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 visibility

Average temperature in August
Troutdale, OR

Average temperature in August - Troutdale, OR
  • Average high temperature in August: 79.7°F

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (43.3°F).

  • Average low temperature in August: 52.7°F

The month with the highest average low temperature is August (52.7°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).

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Average pressure in August
Troutdale, OR

Average pressure in August - Troutdale, 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
Troutdale, OR

Average wind speed in August - Troutdale, OR
  • Average wind speed in August: 3.5mph

The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity in August
Troutdale, OR

Average humidity in August - Troutdale, OR
  • Average humidity in August: 65%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (65%).

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Average rainfall in August
Troutdale, OR

Average rainfall in August - Troutdale, OR
  • Average rainfall in August: 0.43"

The wettest month (with the highest rainfall) is December (5.63").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days in August
Troutdale, OR

Average rainfall days in August - Troutdale, OR
  • Average rainfall days in August: 4.1 days

The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is August (4.1 days).

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Average snowfall in August
Troutdale, OR

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

The month with the highest snowfall is February (1.54").
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
Troutdale, OR

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

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Troutdale, OR

Average daylight in August / Average sunshine in August - Troutdale, OR
  • Average daylight in August: 14h and 1min

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 0min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days in August
Troutdale, OR

Average sunshine days in August - Troutdale, OR
  • Average sunshine days in August: 25.3 days

The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (8.6 days).

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Average UV index in August
Troutdale, OR

Average UV index in August - Troutdale, OR
  • Average UV index in August: 4

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
Troutdale, OR

Average cloud cover in August - Troutdale, OR
  • Average cloud cover in August: 24

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in August
Troutdale, OR

Average visibility in August - Troutdale, 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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Troutdale, Oregon, USA

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