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Oregon United States of America
Precipitation in August
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August Rainfall Precipitation in Oregon

Oregon is a region in the United States of America. In August precipitation ranges from almost none in Hermiston with 4 mm of rainfall to moderate in Cannon Beach with 37 mm of rainfall. August is a summer month in Oregon. It is the driest month of the year.

Where and how much does it rain in Oregon in August?

Find the average total precipitation in August for the most popular destinations in Oregon on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much rainfall does Oregon receive in August?
    • In Portland, August typically sees a modest rainfall of about 11 mm. For those who prefer drier conditions, this month is ideal. Going by our weather data, this month in usually has the least rain, making it the driest month of the year.

  • What is the wettest city in August in Oregon?
    • In our records, Cannon Beach stands out as having an average precipitation level of 37 mm, making it the wettest location.

  • What is the driest city in August in Oregon?
    • Our figures indicate that Hermiston receives the least rainfall, averaging just 4 mm.

    Interested in more climate information?

    We have much more information about the climate in Oregon. Interested in the weather conditions in a specific month? Select the month below.

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