Caseyville weather in December (Illinois, United States of America)

Will it be rainy or sunny in Caseyville this December? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

The month of December in Caseyville typically brings low temperatures and moderate snow/rainfall. During December, the winter season is in full swing. In the daytime, temperatures tend to hover near 7°C, cooling down at night to around -2°C.

Precipitation

Caseyville in December usually receives moderate snow/rainfall, averaging around 93 mm for the month. When we look at the climate data from the last 30 years, you can expect around 10 days of snow/rain.

Average sunshine

The month brings about 128 hours of sunlight, offering a comfortable mix of sun and shade.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Caseyville. September and October generally stand 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 Caseyville climate page with graphs.

 

Caseyville, monthly averages in December

Min Temperature -2°C  

Max Temperature 7°C  

Chance of Rain 34%  

Precipitation 93 mm  

Rainy days 10 days  

Humidity 74% *  

Sunshine 128 hours *  

Percentage Sunshine 44% *  

* Data from: St. Louis, the United States of America (14 KM, 9 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 Caseyville.

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.