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 shortest days in Portland is December, with an average of 8h and 48min of daylight.
• Salem - December »
  The month with the most rainfall in Salem is December, when the rain falls for 18.3 days and typically aggregates up to 3.94" (100mm) of precipitation. 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. 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.
• 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. In Gresham during December, the rain falls for 17.6 days and regularly aggregates up to 5.31" (135mm) of precipitation.
• Hillsboro - December »
  December proves to be the coldest month in Hillsboro recording an average maximum temperature of 43.9°F (6.6°C) and a minimum temperature of 34°F (1.1°C). The month with the shortest days in Hillsboro, Oregon, is December, with an average of 8h and 48min of daylight.
• Beaverton - December »
  In Beaverton, Oregon, in December, snow falls for 0.8 days, with typically accumulated 0.43" (11mm) of snow. In December, in Beaverton the rain falls for 18.7 days.
• Bend - December »
  Temperature records in Bend mark December as the coldest month, with highs averaging 35.8°F (2.1°C) and lows at 24.6°F (-4.1°C). In Bend in December, during 7.6 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.
• Medford - December »
  January and December, with an average relative humidity of 83%, are most humid months in Medford, Oregon. January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Medford, Oregon.
• Springfield - December »
  In Springfield during December, the rain falls for 13.4 days and regularly aggregates up to 1.54" (39mm) of precipitation. The months with the highest humidity in Springfield are January through March and December, with an average relative humidity of 86%.
• 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, snow falls for 0.5 days, with typically accumulated 0.24" (6mm) of snow.
• Albany - December »
  The month with the most rainfall in Albany is December, when the rain falls for 18.5 days and typically aggregates up to 3.98" (101mm) of precipitation. The month with the most rainfall in Albany is December, when the rain falls for 18.5 days and typically aggregates up to 3.98" (101mm) of precipitation.
• Tigard - December »
  The month with the most rainfall in Tigard is December, when the rain falls for 18.9 days and typically aggregates up to 4.57" (116mm) of precipitation. In Tigard, Oregon, during December, snow falls for 0.9 days and regularly aggregates up to 0.43" (11mm) of snow.