Caseyville Weather in December

In Caseyville, December brings low daytime temperatures around 7°C (45°F), with nights cooling to -2°C (28°F). Expect quite a bit of snow/rainfall this month.

Rainfall in Caseyville in December

Typically around 10 days of snow/rainfall are expected, averaging 93 mm (3.7 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Caseyville in December

December in Caseyville brings low temperatures, with highs of 7°C (45°F) and nights around -2°C (28°F). Experience the winter season in December. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At -2°C (28°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Caseyville in December

You can expect a moderate amount of sunlight, with approximately 128 hours. This means a pleasant mix of sun and overcast.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Caseyville. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
• February
• March
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• May
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• August

• September
• October
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• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Caseyville's climate page.

Caseyville Temperature in December

Min Temperature -2°C (28°F)  

Max Temperature 7°C (45°F)  

Chance of Rain 34%  

Precipitation 93 mm (3.7 in)  

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).

What to Wear in Caseyville in December

We recommend to layer up for chilly conditions in Caseyville in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Caseyville in December

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Caseyville's climate page.

More climate data for Caseyville

Temperature Rainfall Sunshine Humidity

See the full Caseyville climate overview or explore weather in the United States of America.