August weather forecast
Dallas, OR

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Weather in August

Following July, August continues the trend of dry and sunny conditions in Dallas, Oregon. Warmer temperatures from 52.3°F (11.3°C) up to 80.2°F (26.8°C) and scanty rainfall of 0.28" (7mm) prevail during this month. The subtropical high-pressure system maintains a consistently sunny and warm weather pattern, providing favourable conditions for outdoor sports and recreational activities.

Temperature

August is the month when Dallas's temperatures reach their peak, with averages of 80.2°F (26.8°C) and lows of 52.3°F (11.3°C).

Humidity

The least humid month in Dallas is August, with an average relative humidity of 69%.

Rainfall

In August, in Dallas, the rain falls for 3.9 days. Throughout August, 0.28" (7mm) of precipitation is accumulated. Throughout the year, there are 139.9 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Dallas.

Daylight

In Dallas, Oregon, the average length of the day in August is 14h and 1min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:39 pm. On the last day of August, in Dallas, sunrise is at 6:35 am and sunset at 7:51 pm PDT.

Sunshine

The months with the most sunshine in Dallas are July and August, with an average of 10.8h of sunshine.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index in Dallas. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: An average UV index of 5 in August transforms into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What are the warmest months in Dallas?

Dallas, Oregon, reaches its average highest temperatures in August, measuring 80.2°F (26.8°C) at the peak and 52.3°F (11.3°C) at the lowest.

What is the temperature in August in Dallas?

During August, Dallas experiences an average high-temperature of 80.2°F (26.8°C) and a low-temperature of 52.3°F (11.3°C).

What is the least humid month in Dallas?

The least humid month in Dallas is August, with an average relative humidity of 69%.

What is the average humidity in August in Dallas?

In August, the average relative humidity in Dallas, Oregon, is 69%.

How much does it rain in Dallas in August?

In Dallas, Oregon, in August, during 3.9 rainfall days, 0.28" (7mm) of precipitation is typically accumulated.

When it does not snow in Dallas?

April through October are months without snowfall in Dallas.

How many hours of daylight does Dallas have in August?

The average day length in August is 14h and 1min.

When is the sunrise / sunset in August in Dallas?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:39 pm. On the last day of the month, in Dallas, sunrise is at 6:35 am and sunset at 7:51 pm PDT.

What are the months with the most sunshine in Dallas?

July and August, with an average of 10.8h of sunshine, are months with the most sunshine.

How many hours of sunshine does Dallas have in August?

In Dallas, the average sunshine duration in August is 10.8h.

When is the highest UV index in Dallas?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Dallas.

What is the UV index intensity in August in Dallas?

In Dallas, the average daily maximum UV index in August 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
Dallas, OR

Average temperature in August - Dallas, 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 (44.2°F).

  • Average low temperature in August: 52.3°F

The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (34°F).

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Average pressure in August
Dallas, OR

Average pressure in August - Dallas, OR
  • Average pressure in August: 30.01"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed in August
Dallas, OR

Average wind speed in August - Dallas, OR
  • Average wind speed in August: 3.9mph

The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in August
Dallas, OR

Average humidity in August - Dallas, OR
  • Average humidity in August: 69%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (69%).

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Average rainfall in August
Dallas, OR

Average rainfall in August - Dallas, OR
  • Average rainfall in August: 0.28"

The wettest month (with the highest rainfall) is December (2.4").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in August
Dallas, OR

Average rainfall days in August - Dallas, OR
  • Average rainfall days in August: 3.9 days

The month with the highest number of rainy days is March (17.4 days).
The month with the least rainy days is August (3.9 days).

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Average snowfall in August
Dallas, OR

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

The month with the highest snowfall is February (1.18").
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
Dallas, OR

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

The month with the highest number of snowfall days is February (1.5 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
Dallas, OR

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 10h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

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Average sunshine days in August
Dallas, OR

Average sunshine days in August - Dallas, OR
  • Average sunshine days in August: 24.4 days

The month with the most sunshine days is July (26.1 days).
The month with the least sunshine days is March (11.6 days).

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Average UV index in August
Dallas, OR

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

The months with the highest UV index are June, July and August (UV index 5).
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
Dallas, OR

Average cloud cover in August - Dallas, OR
  • Average cloud cover in August: 25

The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in August
Dallas, OR

Average visibility in August - Dallas, OR
  • Average visibility in August: 5mi

The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

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Dallas, Oregon, USA

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