May Rainfall and Precipitation in Oregon
Average rainfall, rainy days and the driest cities in Oregon, the United States of America in May.
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Best Places to Visit in Oregon in May
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Oregon.
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in May: pale blue is dry, deep blue is wet.
Oregon precipitation in May: frequently asked questions
How much rainfall does Oregon, the United States of America receive in May?
In May, Portland typically receives modest rainfall, around 71 mm (2.8 in), making this a relatively dry month.
How many days does it rain in Oregon, the United States of America in May?
Rainfall in Portland typically falls on roughly 13 days days in May.
Is May part of the rainy season in Oregon, the United States of America?
No. May sits outside the typical rainy season in Oregon, the United States of America, so you can expect drier conditions overall.
What is the wettest city in May in Oregon, the United States of America?
In our database, Arch Cape stands out as having an average rainfall level of 162 mm (6.4 in), making it the wettest location.
What is the driest city in May in Oregon, the United States of America?
Bend is the driest city we have data for in Oregon, the United States of America in May, with monthly rainfall close to 21 mm (0.8 in).
Interested in more climate information?
We have much more information about the climate in Oregon.
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