Lake Oswego weather in December (Oregon, United States of America)

Wondering what the weather is like in Lake Oswego during December? Explore our page to find a thorough overview of this month's weather conditions.

Temperatures

The month of December in Lake Oswego typically brings low temperatures and heavy rainfall. December marks the winter season. Expect the temperatures during the day to hover around 8°C. At night, they will likely drop to about 2°C. It's often the coldest month of the year, a perfect time to cozy up indoors. Make sure to bring along suitable winter clothing.

Precipitation

Lake Oswego in December usually receives heavy rainfall, averaging around 193 mm for the month. In this month, the heaviest downpours of the year are not uncommon. Carrying a poncho might be your best bet to stay dry. Historically, the month has about 21 days of rain.

Average sunshine

This month is characterized by fewer sunny days, with about 64 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Lake Oswego. May, June, July, August and September typically offer the most optimal weather. In contrast, January, March, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Lake Oswego climate page with graphs.

 

Lake Oswego, monthly averages in December

Min Temperature 2°C  

Max Temperature 8°C  

Chance of Rain 69%  

Precipitation 193 mm  

Rainy days 21 days  

Humidity 83% *  

Windspeed 11 km/h *  

Sunshine 64 hours *  

Percentage Sunshine *  

Data from: Portland, the United States of America (20 KM, 12 Miles).

Where to go in the United States of America in December

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

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

So, what should you wear in this month?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Lake Oswego.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find 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.