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.