Fairfax weather in December (Virginia, United States of America)

What kind of temperatures can you expect in Fairfax during December? Get all the weather information you need to plan your visit.

Temperatures

In December, the weather in Fairfax generally includes low temperatures and moderate snow/rainfall. Experience the winter season in December. Daytime temperatures hover around 9°C, while nights can cool down to about -1°C.

Precipitation

Fairfax in December usually receives moderate snow/rainfall, averaging around 99 mm for the month. Historically, the month has about 11 days of snow/rain.

Average sunshine

The area enjoys a balanced 130 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Fairfax. August generally stands out with the best circumstances. While January, February and December tend to showcase less optimal conditions.

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

 

Fairfax, monthly averages in December

Min Temperature -1°C  

Max Temperature 9°C  

Chance of Rain 37%  

Precipitation 99 mm  

Rainy days 11 days  

Humidity 64% *  

Windspeed 14 km/h *  

Sunshine 130 hours *  

Percentage Sunshine 45% *  

* Data from: Washington DC, the United States of America (23 KM, 14 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

5/10

Cycling

4/10

Walking

4/10

Camping

1/10

Outdoor sports

4/10

Interested in more climate information?

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

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.