August weather forecast
O'Brien, OR

Share

Weather in August

August, the last month of the summer in O'Brien, is also an agreeable month, with an average temperature fluctuating between 71.4°F (21.9°C) and 53.2°F (11.8°C).

Temperature

O'Brien observes an average high-temperature of a still pleasant 71.4°F (21.9°C) in August, barely different from 71.8°F (22.1°C) in July. Throughout August, O'Brien encounters an average temperature drop to a cool 53.2°F (11.8°C).

Humidity

In O'Brien, Oregon, the average relative humidity in August is 74%.

Rainfall

In O'Brien, in August, it is raining for 2.8 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, there are 131.8 rainfall days, and 46.14" (1172mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall.

Daylight

The average length of the day in August is 13h and 49min.
On the first day of August in O'Brien, Oregon, sunrise is at 6:09 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:49 pm PDT.

Sunshine

The average sunshine in August in O'Brien is 11.7h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. It's recommended to limit sun exposure when its radiation is at its peak during midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
[Resources]

Frequently asked questions

What is the average August temperature in O'Brien?

The high-temperature in O'Brien, Oregon, during August is 71.4°F (21.9°C) and the low-temperature is 53.2°F (11.8°C).

What is the average humidity in August in O'Brien?

In August, the average relative humidity in O'Brien is 74%.

How much does it rain in O'Brien in August?

In O'Brien, in August, it is raining for 2.8 days, with typically 0.24" (6mm) of accumulated precipitation.

When it does not snow in O'Brien?

In O'Brien, snow does not fall in January, March through December.

How many hours of daylight does O'Brien have in August?

In August, the average day length in O'Brien, Oregon, is 13h and 49min.

When is the sunrise / sunset in August in O'Brien?

On the first day of August, sunrise is at 6:09 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:49 pm PDT.

How long on average sun shines in August in O'Brien?

In August, the average sunshine duration is 11.7h.

What is the month with the highest UV index in O'Brien?

The months with the highest UV index in O'Brien, Oregon, are June through August, with an average maximum UV index of 5.

How high is the UV index in August in O'Brien?

In O'Brien, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's 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
O'Brien, OR

Average temperature in August - O
  • Average high temperature in August: 71.4°F

The warmest month (with the highest average high temperature) is July (71.8°F).
The month with the lowest average high temperature is December (50.4°F).

  • Average low temperature in August: 53.2°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is February (40.5°F).

[Resources]

Average pressure in August
O'Brien, OR

Average pressure in August - O
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).

[Resources]

Average wind speed in August
O'Brien, OR

Average wind speed in August - O
  • Average wind speed in August: 5.6mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

[Resources]

Average humidity in August
O'Brien, OR

Average humidity in August - O
  • Average humidity in August: 74%

The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is September (72%).

[Resources]

Average rainfall in August
O'Brien, OR

Average rainfall in August - O
  • Average rainfall in August: 0.24"

The wettest month (with the highest rainfall) is January (8.11").
The driest month (with the least rainfall) is July (0.12").

[Resources]

Average rainfall days in August
O'Brien, OR

Average rainfall days in August - O
  • Average rainfall days in August: 2.8 days

The month with the highest number of rainy days is March (19.2 days).
The month with the least rainy days is July (2.3 days).

[Resources]

Average snowfall in August
O'Brien, OR

Average snowfall in August - O
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.59").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

[Resources]

Average snowfall days in August
O'Brien, OR

Average snowfall days in August - O
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

[Resources]

Average daylight in August /
Average sunshine in August
O'Brien, OR

Average daylight in August / Average sunshine in August - O
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

[Resources]

Average sunshine days in August
O'Brien, OR

Average sunshine days in August - O
  • Average sunshine days in August: 26.3 days

The month with the most sunshine days is July (27.7 days).
The month with the least sunshine days is March (10.5 days).

[Resources]

Average UV index in August
O'Brien, OR

Average UV index in August - O
  • 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 February and December (UV index 2).

[Resources]

Average cloud cover in August
O'Brien, OR

Average cloud cover in August - O
  • Average cloud cover in August: 11

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 10).

[Resources]

Average visibility in August
O'Brien, OR

Average visibility in August - O
  • 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).

[Resources]

O'Brien, Oregon, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location