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)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)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)Norfolk (VA)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Riverside (CA)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 2025

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

    Snow Forecast ❄️

  • With an average of 3 snowy days, St. Louis usually enjoys a light touch of snow in December.
    According to St. Louis snow forecast for December 2025, no snow is expected in the next 2 weeks.

    • Temperatures

  • Until now, December 2025 in St. Louis has been significantly cooler than historical averages by -6.5 °F, with average temperature of 2.1 °F.

  • The forecast for the upcoming days in St. Louis predicts a temperature of 10.4 °F, which is slightly above the historical average.

  • In general, the average temperature in St. Louis at the beginning of December is 7.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 9.7 °F by the end of December.

    • Rain 🌧️

  • St. Louis in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 96.4 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
12
Dry days
Average rainy days
16
Rainy days
Average snowy days
3
Snow days
Average temperatures
8°/1°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
70 %
Avg humidity

St. Louis Weather December

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

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 UV More
Dec. 1 Overcast
Overcast
 7° /0° 7.1 mm 2
Dec. 2 Overcast
Overcast
 9° /1° 2.9 mm 3
Dec. 3 Sunny
Sunny
 9° /0° 0.2 mm 3
Dec. 4 Overcast
Overcast
 7° /-1° 0 mm 2
Dec. 5 Patchy rain possible
Patchy rain possible
 9° /-2° 0.7 mm 2
Dec. 6 Sunny
Sunny
 6° /-1° 0.7 mm 2
Dec. 7 Overcast
Overcast
 8° /0° 0.1 mm 2
Dec. 8 Overcast
Overcast
 9° /2° 1.2 mm 3
Dec. 9 Overcast
Overcast
 12° /2° 1.8 mm 3
Dec. 10 Overcast
Overcast
 10° /2° 1.4 mm 3
Dec. 11 Overcast
Overcast
 8° /0° 0.6 mm 3
Dec. 12 Sunny
Sunny
 9° /1° 1.4 mm 3
Dec. 13 Overcast
Overcast
 1° /-9° 0.1 mm 0.3
Dec. 14 Sunny
Sunny
 -7° /-12° 0 mm 0.4
Dec. 15 Sunny
Sunny
 5° /-12° 0 mm 0.4
Dec. 16 Sunny
Sunny
 11° /-1° 0 mm 0.4
Dec. 17 Cloudy
Cloudy
 14° /5° 0 mm 0
Dec. 18 Patchy rain possible
Patchy rain possible
 16° /13° 0.6 mm 3
Dec. 19 Patchy rain possible
Patchy rain possible
 18° /11° 0.5 mm 4
Dec. 20 Patchy rain possible
Patchy rain possible
 11° /8° 1.9 mm 2
Dec. 21 Partly cloudy
Partly cloudy
 10° /7° 0 mm 3
Dec. 22 Cloudy
Cloudy
 14° /7° 0 mm 3
Dec. 23 Patchy rain possible
Patchy rain possible
 21° /12° 0.3 mm 4
Dec. 24 Patchy rain possible
Patchy rain possible
 6° /5° 0.4 mm 2
Dec. 25 Patchy rain possible
Patchy rain possible
 9° /5° 3.2 mm 2
Dec. 26 Moderate rain
Moderate rain
 17° /1° 5.9 mm 3
Dec. 27 Overcast
Overcast
 9° /1° 11.7 mm 2
Dec. 28 Overcast
Overcast
 8° /2° 5.7 mm 2
Dec. 29 Patchy rain possible
Patchy rain possible
 8° /3° 3 mm 2
Dec. 30 Overcast
Overcast
 9° /2° 9.4 mm 2
Dec. 31 Overcast
Overcast
 8° /1° 0.2 mm 2
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 96.4 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
Will it snow in St. Louis in December 2025?
St. Louis experiences an average snowfall of 2.424 cm during December, occurring over 3 days.
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.

December rainfall patterns in St. Louis

Explore the daily rainfall trends and prepare for St. Louiss December weather 💧
Typically, St. Louis has 16 rainy days in December with a total of 96.4 mm of rainfall.

UV exposure in St. Louis during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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.

Found a mistake?
We appreciate your attention to details. Tell us here.