Mount Vernon weather in December (Washington State, United States of America)

What weather conditions can you expect in Mount Vernon this December? Is now the perfect time to visit? Find all the weather insights for this month on this page.

Temperatures

December in Mount Vernon generally includes low temperatures and high rainfall. The winter season is characteristic of December. Daytime temperatures generally peak at 7°C, but after sunset, they often decrease to around 1°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

Mount Vernon in December usually receives high rainfall, averaging around 121 mm for the month. This month experiences about 23 days of rain according to historical data.

Average sunshine

This month is characterized by fewer sunny days, with about 65 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 Mount Vernon. June, July, August and September typically offer the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

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

 

Mount Vernon, monthly averages in December

Min Temperature 1°C  

Max Temperature 7°C  

Chance of Rain 75%  

Precipitation 121 mm  

Rainy days 23 days  

Sunshine 65 hours *  

Percentage Sunshine *  

Data from: Bellingham, the United States of America (38 KM, 24 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 Mount Vernon.

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.