August weather forecast
Pendleton, OR

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These large silos and creatively shaped red barns stand in the middle of a vast field of harvested wheat, in Pendleton, Oregon
These large silos and creatively shaped red barns stand in the middle of a vast field of harvested wheat, in Pendleton, Oregon

Weather in August

In August, there's a slight respite from July's peak summer heat in Pendleton, albeit temps remain high. While the daylight hours reduce, it's imperceptible and the town continues to enjoy long days. Outdoor activities continue unabated, with occasional wind gusts adding to the charm of the warm weather. The UV index drops marginally, yet a sharp eye must be kept on the necessary sun protection measures. All told, August carries forward the charm of a typical Oregonian summer.

Temperature

August's presence in Pendleton, Oregon, records an average high-temperature of a still moderately hot 84°F (28.9°C), closely mirroring July's climate. Significant dips from daytime highs mark the August nights in Pendleton, with a consistent average temperature of 61.7°F (16.5°C).

Humidity

August is the least humid month in Pendleton, with an average relative humidity of 38%.

Rainfall

In August, the rain falls for 3.6 days. Throughout August, 0.31" (8mm) of precipitation is accumulated. Throughout the year, there are 132.7 rainfall days, and 12.91" (328mm) of precipitation is accumulated.

Snowfall

May through August and October are months without snowfall.

Daylight

In Pendleton, the average length of the day in August is 14h and 4min.
On the first day of August in Pendleton, sunrise is at 5:39 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:34 pm PDT.

Sunshine

July and August, with an average of 12h of sunshine, are months with the most sunshine in Pendleton.

UV index

In August, the average daily maximum UV index in Pendleton is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

How hot is it in Pendleton in August?

The high-temperature, in August, in Pendleton, is 84°F (28.9°C), while the low-temperature averages to 61.7°F (16.5°C).

What is the least humid month in Pendleton?

August is the least humid month, with an average relative humidity of 38%.

What is the average humidity in August in Pendleton?

In Pendleton, the average relative humidity in August is 38%.

How many days does it rain in August in Pendleton?

In Pendleton, in August, it is raining for 3.6 days, with typically 0.31" (8mm) of accumulated precipitation.

When it does not snow in Pendleton?

May through August and October are months without snowfall in Pendleton, Oregon.

Does it snow in Pendleton in August?

In Pendleton, Oregon, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Pendleton have in August?

In Pendleton, Oregon, the average day length in August is 14h and 4min.

When is the sunrise / sunset in August in Pendleton?

In August, on the first day of the month, sunrise is at 5:39 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:34 pm PDT.

What is the month with the most sunshine in Pendleton?

July and August, with an average of 12h of sunshine, are months with the most sunshine in Pendleton.

How many hours of sunshine does Pendleton have in August?

In August, the average sunshine duration in Pendleton, Oregon, is 12h.

What is the UV index intensity in August in Pendleton?

The average daily maximum UV index in August in Pendleton, Oregon, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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 visibility

Average temperature in August
Pendleton, OR

Average temperature in August - Pendleton, OR
  • Average high temperature in August: 84°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (37.9°F).

  • Average low temperature in August: 61.7°F

The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is December (27.3°F).

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Average pressure in August
Pendleton, OR

Average pressure in August - Pendleton, OR
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in August
Pendleton, OR

Average wind speed in August - Pendleton, OR
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).

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Average humidity in August
Pendleton, OR

Average humidity in August - Pendleton, OR
  • Average humidity in August: 38%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in August
Pendleton, OR

Average rainfall in August - Pendleton, OR
  • Average rainfall in August: 0.31"

The wettest month (with the highest rainfall) is March (1.65").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in August
Pendleton, OR

Average rainfall days in August - Pendleton, OR
  • Average rainfall days in August: 3.6 days

The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (3.6 days).

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Average snowfall in August
Pendleton, OR

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

The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and October (0").

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Average snowfall days in August
Pendleton, OR

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

The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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

Average daylight in August / Average sunshine in August - Pendleton, 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: 12h and 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in August
Pendleton, OR

Average sunshine days in August - Pendleton, OR
  • Average sunshine days in August: 22.9 days

The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (11.7 days).

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Average UV index in August
Pendleton, OR

Average UV index in August - Pendleton, OR
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 7).
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
Pendleton, OR

Average cloud cover in August - Pendleton, OR
  • Average cloud cover in August: 9

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 9).

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Average visibility in August
Pendleton, OR

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

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

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Pendleton, Oregon, USA

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