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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Saint Charles's climate page.
Saint Charles Temperature in December
Min Temperature
-6°C (21°F)
Max Temperature
2°C (36°F)
Chance of Rain
46%
Precipitation
79 mm (3.1 in)
Rainy days
14 days
Humidity
76% *
Sunshine
107 hours *
Percentage Sunshine
37% *
Best Places 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. See all of the United States of America in December →
perfect weather
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What to Wear in Saint Charles in December
Dress warmly and in layers for your trip to Saint Charles in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Saint Charles in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Saint Charles's climate page.
Temperature Rainfall Sunshine Humidity
See the full Saint Charles climate overview or explore weather in the United States of America.
