December weather forecast
Oregon, USA

December heralds the robust onset of winter in Oregon, encompassing the state with a serene blanket of white and a chilling embrace. The Cascade Mountains, an iconic fixture in Oregon's geography, observe temperatures around 28°F (-2.2°C). The coastline, swayed by the consistent influence of the Pacific Ocean, experiences temperatures fluctuating between 38°F (3.3°C) and 48°F (8.9°C).

Portland, Oregon's largest city, becomes emblematic of the state's December demeanor. The city lights up with festive decorations, winter markets, and a palpable festive spirit. While snowfall in the city is sporadic, when it does occur, it transforms the urban landscape into a picturesque winter tableau.

December ensures that the mountains, particularly the Cascade, Blue, and Wallowa ranges, are adorned with thick layers of snow, beckoning winter sports enthusiasts from near and far. Snowfall becomes a common spectacle, even in the valleys and lower terrains, though it might not persist for long durations.

In comparison to November, December witnesses a distinct dip in temperature, making it one of the coldest months in Oregon. Rain, especially in the western regions, continues to be frequent, interspersed with snowy spells. The days are notably short, with twilight descending early, creating longer nights that often shimmer under the canopy of twinkling festive lights.

With the year's end approaching, December serves as a testament to Oregon's ability to gracefully transition between seasons. The month beautifully culminates the year, setting the stage for January, which continues to be dominated by winter's cold and snowy grip.

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• Portland - December »
  The month with the most rainfall in Portland is December, when the rain falls for 18.5 days and typically aggregates up to 4.53" (115mm) of precipitation. The month with the most rainfall in Portland is December, when the rain falls for 18.5 days and typically aggregates up to 4.53" (115mm) of precipitation.
• Salem - December »
  In Salem, Oregon, in December, during 0.6 snowfall days, 0.35" (9mm) of snow is typically accumulated. January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Salem, Oregon.
• Eugene - December »
  The month with the most rainfall in Eugene is December, when the rain falls for 13.4 days and typically aggregates up to 1.54" (39mm) of precipitation. In Eugene during December, the rain falls for 13.4 days and regularly aggregates up to 1.54" (39mm) of precipitation.
• Gresham - December »
  The month with the most rainfall in Gresham is December, when the rain falls for 17.6 days and typically aggregates up to 5.31" (135mm) of precipitation. The month with the most rainfall in Gresham is December, when the rain falls for 17.6 days and typically aggregates up to 5.31" (135mm) of precipitation.
• Hillsboro - December »
  January, February, November and December, with an average relative humidity of 85%, are the most humid months in Hillsboro, Oregon. The months with the highest humidity in Hillsboro are January, February, November and December, with an average relative humidity of 85%.
• Beaverton - December »
  The month with the most rainfall in Beaverton is December, when the rain falls for 18.7 days and typically aggregates up to 4.61" (117mm) of precipitation. The month with the shortest days in Beaverton is December, with an average of 8h and 48min of daylight.
• Bend - December »
  In Bend, in December, during 8.3 snowfall days, 3.9" (99mm) of snow is typically accumulated. In Bend, in December, snow falls for 8.3 days, with typically accumulated 3.9" (99mm) of snow.
• Medford - December »
  In Medford in December, during 2.7 snowfall days, 1.3" (33mm) of snow is typically accumulated. In Medford in December, during 14.4 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.
• Springfield - December »
  In Springfield in December, during 13.4 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. The months with the lowest UV index in Springfield are January, February, November and December, with an average maximum UV index of 2.
• Corvallis - December »
  The month with the most rainfall in Corvallis is December, when the rain falls for 19.1 days and typically aggregates up to 4.8" (122mm) of precipitation. In Corvallis in December, during 19.1 rainfall days, 4.8" (122mm) of precipitation is typically accumulated.
• Albany - December »
  In Albany in December, snow falls for 0.5 days, with typically accumulated 0.31" (8mm) of snow. December has the shortest days of the year in Albany with an average of 8h and 54min of daylight.
• Tigard - December »
  In Tigard during December, the rain falls for 18.9 days and regularly aggregates up to 4.57" (116mm) of precipitation. With an average of 8h and 48min of daylight, December has the shortest days of the year in Tigard, Oregon.