Saint Charles Weather in December

With daytime temperatures of 2°C (36°F) and nighttime lows of -6°C (21°F), December in Saint Charles brings low temperatures during the day. Do keep in mind that quite a bit of snow/rainfall is typical. Around 79 mm (3.1 in) falls on average.

Rainfall in Saint Charles in December

Looking at the last 30 years, the data shows about 14 days with snow/rain, averaging 79 mm (3.1 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Saint Charles in December

If you're visiting Saint Charles in December, expect highs of 2°C (36°F) and overnight lows around -6°C (21°F). The month of December belongs to the winter season. Expect a distinctly cold feel throughout the day, not just overnight. Nights are well below freezing at -6°C (21°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. It is a very cold month, so be prepared and make sure to dress up warm. It's always better to be prepared than to find oneself shivering in the cold.

Sunshine in Saint Charles in December

The area enjoys a moderate level of sunlight, with around 107 hours. It's a good balance between sunny and cloudy days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Saint Charles.