easeweather.com
St. Louis (MO)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Bowling Green (KY)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Daytona Beach (FL)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Sitka (AK)Skagway (AK)Springfield (MO)
St. Louis (MO)
St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in St. Louis, Missouri for December 2026

Your guide to St. Louis weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in St. Louis during December is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in St. Louis at the beginning of December is 7.6 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 8 °C by the end of December.

    • Rain 🌧️

  • St. Louis experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 83.3 mm.

    • More

  • Is December a good time to visit St. Louis? check out the best time to travel to St. Louis page.

  • ✨ Is December a good time to visit St. Louis? – Ask the AI Weatherman

Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
1
Snow days
Average temperatures
8°/1°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
72 %
Avg humidity

St. Louis Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain
6°
2
Light snow
9°
3
Sunny
9°
4
Overcast
7°
5
Patchy rain possible
8°
6
Sunny
6°
7
Overcast
8°
8
Patchy rain possible
9°
9
Patchy rain possible
12°
10
Patchy rain possible
9°
11
Overcast
8°
12
Patchy rain possible
9°
13
Light rain
7°
14
Moderate rain
8°
15
Overcast
9°
16
Light rain
9°
17
Light rain
6°
18
Patchy rain possible
6°
19
Overcast
5°
20
Cloudy
7°
21
Sunny
7°
22
Patchy rain possible
7°
23
Overcast
7°
24
Light rain
8°
25
Light rain
8°
26
Patchy rain possible
9°
27
Light rain
9°
28
Light snow
9°
29
Light rain
6°
30
Light rain
8°
31
Overcast
7°

Temperatures trend during December in St. Louis

See the weather trend as well as the moving average line

December weather in St. Louis day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Light rain
Light rain
 6° /0° 7.1 mm 0.2 cm
Dec. 2 Light snow
Light snow
 9° /2° 2.9 mm 1.4 cm
Dec. 3 Sunny
Sunny
 9° /0° 0.2 mm 0 cm
Dec. 4 Overcast
Overcast
 7° /-1° 0 mm 0 cm
Dec. 5 Patchy rain possible
Patchy rain possible
 8° /-1° 0.7 mm 0 cm
Dec. 6 Sunny
Sunny
 6° /0° 0.7 mm 0 cm
Dec. 7 Overcast
Overcast
 8° /0° 0.1 mm 0 cm
Dec. 8 Patchy rain possible
Patchy rain possible
 9° /3° 1.2 mm 0 cm
Dec. 9 Patchy rain possible
Patchy rain possible
 12° /3° 1.8 mm 0 cm
Dec. 10 Patchy rain possible
Patchy rain possible
 9° /2° 1.4 mm 0 cm
Dec. 11 Overcast
Overcast
 8° /0° 0.6 mm 0 cm
Dec. 12 Patchy rain possible
Patchy rain possible
 9° /1° 1.4 mm 0 cm
Dec. 13 Light rain
Light rain
 7° /0° 3.7 mm 0 cm
Dec. 14 Moderate rain
Moderate rain
 8° /0° 14.2 mm 0 cm
Dec. 15 Overcast
Overcast
 9° /2° 0 mm 0 cm
Dec. 16 Light rain
Light rain
 9° /2° 8.7 mm 0 cm
Dec. 17 Light rain
Light rain
 6° /1° 2.5 mm 0 cm
Dec. 18 Patchy rain possible
Patchy rain possible
 6° /0° 1.7 mm 0 cm
Dec. 19 Overcast
Overcast
 5° /-2° 0 mm 0 cm
Dec. 20 Cloudy
Cloudy
 7° /-1° 0 mm 0 cm
Dec. 21 Sunny
Sunny
 7° /0° 0 mm 0 cm
Dec. 22 Patchy rain possible
Patchy rain possible
 7° /-2° 1.5 mm 0 cm
Dec. 23 Overcast
Overcast
 7° /-1° 0.6 mm 0 cm
Dec. 24 Light rain
Light rain
 8° /1° 3.7 mm 0 cm
Dec. 25 Light rain
Light rain
 8° /1° 2.5 mm 0 cm
Dec. 26 Patchy rain possible
Patchy rain possible
 9° /2° 1.2 mm 0 cm
Dec. 27 Light rain
Light rain
 9° /3° 9.7 mm 0.6 cm
Dec. 28 Light snow
Light snow
 9° /4° 4.7 mm 1 cm
Dec. 29 Light rain
Light rain
 6° /2° 2.5 mm 0.4 cm
Dec. 30 Light rain
Light rain
 8° /1° 7.8 mm 0 cm
Dec. 31 Overcast
Overcast
 7° /1° 0.2 mm 0 cm
Next
Important Notice
Our weather forecast for St. Louis in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St. Louis forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

St. Louis in December - FAQ

What are the expected maximum and minimum temperatures in St. Louis during December?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 1°.

How much rainfall should be expected in St. Louis during December?
Moderate rainfall is anticipated in St. Louis during December, with a total of 83.3 mm spread over approximately 7 days. Considering plans for rainy days is advisable.

Will it snow in St. Louis in December 2026?
St. Louis typically sees 3.7 cm of snowfall during December.

What are the typical wind conditions in St. Louis during December?
The average wind speed in St. Louis during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

St. Louis snow forecast December 2026

Track daily snowfall levels and discover St. Louis’s snowy potential this December ❄️
On average, St. Louis sees 1 snowy days during December, with approximately 3.7 cm of total snowfall.

December rainfall patterns in St. Louis

Explore the daily rainfall trends and prepare for St. Louiss December weather 💧
Typically, St. Louis has 7 rainy days in December with a total of 83.3 mm of rainfall.
Quick links
More St. Louis weather pages
You are here
Location coordinates Where is St. Louis?

Get accurate weather forecasts for St. Louis, located at latitude 38.627 and longitude -90.198. Stay updated with localized weather information tailored for St. Louis.

Related locations
Select a location for accurate weather forecast
ChicagoNashville
More Locations
Found a mistake?
We appreciate your attention to details. Tell us here.