December Rainfall and Precipitation in Oregon
Average rainfall, rainy days and the driest cities in Oregon, the United States of America in December.
Select a Month
Check the conditions for any month of the year.
Best Places to Visit in Oregon in December
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 December: pale blue is dry, deep blue is wet.
Oregon precipitation in December: frequently asked questions
How much rainfall does Oregon, the United States of America receive in December?
Portland is characterized by its unpredictable weather, often receiving about 179 mm (7 in) of rain, which leads to frequent and sudden showers.
How many days does it rain in Oregon, the United States of America in December?
Expect around 20 days rainy days in Portland during December.
Is December part of the rainy season in Oregon, the United States of America?
Not really. December is outside the wettest stretch of the year in Oregon, the United States of America.
What is the wettest city in December in Oregon, the United States of America?
In our database, Arch Cape stands out as having an average rainfall level of 476 mm (19 in), making it the wettest location.
What is the driest city in December in Oregon, the United States of America?
The driest place is Hermiston with an average snow/rainfall of 35 mm (1.4 in) according to our data.
Interested in more climate information?
We have much more information about the climate in Oregon.
Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.