Average Sunshine in Oregon for December

Number of Sunny Days

In the table below, the average number of Sunny Days for a city in Oregon is the total days this month when the sky is mostly clear. This includes the days when cloud covers up to 30% of the sky during daylight hours.

Partly Sunny Days have cloud covering from 40% to 70% of the sky during the daytime. The rest of the days during December are mainly overcast, with at least 80% cloud cover.

Total Days With Sun is a sum of the Sunny plus Partly Sunny days. All the numbers are averages, made from years of weather watching, for total days in the month.

Days of sunshine in December
Place Sunny Partly Sunny Total Days
With Sun
Astoria 3 4 7
Burns 5 7 12
Eugene 1 4 5
Medford 2 4 6
Pendleton 3 5 8
Portland 2 3 5
Salem 2 4 6
Sexton Summit 5 4 9

National Climatic Data Center. Comparative Climatic Data.

Oregon Sunshine
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