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

Oregon is a region in the United States of America. In May precipitation ranges from low in Bend with 21 mm of rainfall to high in Willamette National Forest with 146 mm of rainfall.

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

Find the average total precipitation in May 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 May?
    • The May weather in Portland usually sees a balance of rain and sunshine, with typical rainfall measurements reaching about 71 mm.

  • What is the wettest city in May in Oregon?
    • In our records, Willamette National Forest stands out as having an average precipitation level of 146 mm, making it the wettest location.

  • What is the driest city in May in Oregon?
    • Among all locations in our dataset, Bend has the lowest average precipitation at 21 mm.

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