December weather forecast and climate
Oregon, USA

Flag of Oregon, USA
Flag of Oregon, USA

Weather in December

December brings the cold winter to Oregon with the average high temperatures in the 35°F (1.7°C) to 55°F (12.8°C) range and the average low temperatures in the chilly 11°F (-11.7°C) to 42°F (5.6°C) range across the state. Cold air masses move through the high mountain passes and settle along the valley floors. The average temperatures in Newport on the coast are in the mild 40°F (4.4°C) to 51°F (10.6°C) range, while Klamath Falls is cold between 22°F (-5.6°C) to 42°F (5.6°C).
December brings heavy rainfall in Oregon, with a high of 14.5" (368mm) at Brookings, on the coast. The mountains record heavy snowfall, often to the tune of 25" (635mm) in December, but the west side of the Cascades receives a meager amount of snow. The skies are bleak as rain, ice, and snow routinely hit the landscape.
Oregon has numerous ski resorts, and snowshoeing is a popular activity in the winter. Overall, it is better to avoid Oregon in December unless tourists want to visit the mild southeastern part of the state.
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