ClimateForecastDecemberJanuary >>

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

Wondering what the weather is like in Mount Vernon during December? See what weather conditions to anticipate this month with our guide.

Temperatures

In December, Mount Vernon usually has low temperatures and high snow/rainfall. During December, the winter season is in full swing. You can expect daytime temperatures to reach around 7°C, while the nights will see a decline to about -2°C.

Precipitation

Mount Vernon in December usually receives high snow/rainfall, averaging around 108 mm for the month. Typically around 11 days days of snow/rainfall are expected.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Mount Vernon. September and October typically offer the best circumstances. While January, February, March and December tend to showcase 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 TemperatureMin Temperature -2°C  
Max TemperatureMax Temperature 7°C  
Chance of RainChance of Rain 36%  
PrecipitationPrecipitation 108 mm  
Rainy daysRainy days 11 days  

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.

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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.

Cycling
4/10
Walking
4/10
Barbeque
1/10
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 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.