Portland

Oregon Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Oregon, the United States of America in December.

Planning a trip to Oregon, the United States of America this December? Here's what you need to know about the weather:

What to Expect in Oregon in December

Oregon, the United States of America is a region in the United States of America. The weather in Oregon in December can be quite varied, with temperatures that range from very cold to cold and precipitation levels ranging from moderate to heavy. It's the height of winter.

Temperatures

The average maximum daytime temperatures vary from very cold in Wallowa Lake at 0°C (32°F) to cold in Brookings at 12°C (54°F). Nighttime temperatures generally drop to 5°C (41°F) in Brookings and -8°C (18°F) in Wallowa Lake. In general, this month stands out as the coldest period throughout the year. Given the lower temperatures, it's essential to be well-prepared. Packing the right winter clothing and necessary accessories can make a significant difference in ensuring your comfort and well-being during this chilly season.

To learn more about the conditions in specific areas of Oregon, the United States of America, check out the map below.

Precipitation

In December, precipitation varies across different areas. From moderate snow/rainfall in Hermiston with an average of 35 mm (1.4 in) to heavy snow/rainfall in Arch Cape with 476 mm (19 in). It experiences its highest rainfall in this month of the year. Come prepared by bringing an umbrella.

Average sunshine

Sunshine is more restricted in many locations in December. Portland sees roughly 64 hours of sunlight. Our weather planner can help you find destinations with more sunshine if needed.

Explore Oregon by month

Pick a month to see the average temperature, rainfall and sunshine in Oregon — and find the best time to visit. (based on Portland)

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.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Oregon

What is the weather like in December for some of the most popular destinations in Oregon, the United States of America?

Temperature range in Oregon (December)

Precipitation variation in Oregon (December)

Portland

In December Portland generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around 2°C (36°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
11°C (52°F)
7°C (45°F)
8°C (46°F)
Min temperature
5°C (41°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
79 hours
64 hours
86 hours
Monthly rainfall
171 mm (6.7 in)
179 mm (7 in)
145 mm (5.7 in)
Monthly rainy days
19 days
20 days
18 days
Weather conditions

Seaside

In December Seaside generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 2°C (36°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
11°C (52°F)
9°C (48°F)
10°C (50°F)
Min temperature
5°C (41°F)
2°C (36°F)
3°C (37°F)
Monthly sun hours
81 hours
62 hours
84 hours
Monthly rainfall
363 mm (14 in)
326 mm (13 in)
313 mm (12 in)
Monthly rainy days
23 days
24 days
22 days
Weather conditions

Cannon Beach

In December Cannon Beach generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 3°C (37°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
11°C (52°F)
8°C (46°F)
10°C (50°F)
Min temperature
5°C (41°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
81 hours
62 hours
84 hours
Monthly rainfall
406 mm (16 in)
360 mm (14 in)
339 mm (13 in)
Monthly rainy days
23 days
24 days
22 days
Weather conditions

Depoe Bay

In December Depoe Bay generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 4°C (39°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
12°C (54°F)
9°C (48°F)
10°C (50°F)
Min temperature
6°C (43°F)
4°C (39°F)
4°C (39°F)
Monthly rainfall
297 mm (12 in)
337 mm (13 in)
291 mm (11 in)
Monthly rainy days
23 days
23 days
21 days
Weather conditions

Rockaway Beach

In December Rockaway Beach generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 3°C (37°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
11°C (52°F)
8°C (46°F)
9°C (48°F)
Min temperature
5°C (41°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
81 hours
62 hours
84 hours
Monthly rainfall
484 mm (19 in)
463 mm (18 in)
421 mm (17 in)
Monthly rainy days
24 days
24 days
23 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Oregon, in the United States of America.

Popular cities in December

Day & night temperatures, rainfall and average weather in Oregon in December.

City Weather Day temp Night temp Rainfall
Portland 7°C (45°F) 2°C (36°F) 179 mm (7 in)
Seaside 9°C (48°F) 2°C (36°F) 326 mm (13 in)
Cannon Beach 8°C (46°F) 3°C (37°F) 360 mm (14 in)
Depoe Bay 9°C (48°F) 4°C (39°F) 337 mm (13 in)
Rockaway Beach 8°C (46°F) 3°C (37°F) 463 mm (18 in)
Hillsboro 7°C (45°F) 1°C (34°F) 185 mm (7.3 in)

Oregon weather in December: frequently asked questions

What is the weather like in Oregon, the United States of America in December?

Oregon, the United States of America typically experiences poor weather in December, part of the winter season. Daytime highs in Portland average around 7°C (45°F), and temperatures drop to about 2°C (36°F) at night.

What is the average temperature in Oregon, the United States of America in December?

Portland averages a daytime maximum of 7°C (45°F) in December, with overnight lows close to 2°C (36°F).

Does Oregon, the United States of America get a lot of rain in December?

Expect plenty of rainfall. Portland records an average of 179 mm (7 in) in December, putting it among the wetter months for Oregon, the United States of America.

Is December a Good Time to Visit Oregon, the United States of America?

Given the typically poor weather conditions in Portland, December may not be the ideal time to visit Oregon, the United States of America.

Generally speaking, May, June, July, August and September provide perfect weather in Portland. On the other hand, the months of January, March, November and December tend to have poor weather conditions.

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

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