Oregon, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
O'Brien, OR

The last month of the summer, August, is also a hot month in O'Brien, Oregon, with average temperature fluctuating between 50°F (10°C) and 93.9°F (34.4°C).


July and August, with an average high-temperature of 93.9°F (34.4°C), are the warmest months.


Throughout August, in O'Brien, 0.4" (9.9mm) of precipitation is accumulated. During the entire year, O'Brien aggregates up to 63.2" (1605.3mm) of precipitation.


Throughout the year, 11.7" (297.2mm) of snow is accumulated.


In O'Brien, the average length of the day in August is 13.8h.

What is the warmest month in O'Brien?

Warmest months in O'Brien are July and August, with an average high-temperature of 93.9°F (34.4°C).

What is the temperature in August in O'Brien?

In August, in O'Brien, Oregon, the average high-temperature is 93.9°F (34.4°C), and the average low-temperature is 50°F (10°C).

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

During August, O'Brien regularly aggregates up to 0.4" (9.9mm) of precipitation.

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

In O'Brien, Oregon, the average length of the day in August is 13.8h.
Average temperature in August - O
  • Average high temperature in August: 94°F

Warmest months (with the highest average high temperature) are July and August (94°F).
The month with the lowest average high temperature is December (50°F).

  • Average low temperature in August: 50°F

The month with the highest average low temperature is July (52°F).
Coldest months (with the lowest average low temperature) are January and December (33°F).

Average rainfall in August - O
  • Average rainfall in August: 0.4"

The wettest month (with the highest rainfall) is December (13").
The driest month (with the lowest rainfall) is July (0.3").

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

The month with the highest snowfall is January (4.1").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average daylight in August - O
  • Average daylight in August: 13.8h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).