easeweather.com
Units
°C
°F
Rapid City
Forecast Today Tomorrow
More destinations
South Dakota United States
Search for a location
Search
Rapid City (SD)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)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)Fayetteville (NC)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)
Rapid City (SD)
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)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 Rapid City, South Dakota for December 2025

Your guide to Rapid City weather in December - trends and predictions

    Snow Forecast ❄️

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

    • Temperatures

  • In general, the average temperature in Rapid City at the beginning of December is 8.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 5 °F by the end of December.

    • Rain 🌧️

  • With an average of 5 rainy days, Rapid City experiences minimal rainfall in December.

    • More

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

Average dry days
25
Dry days
Average rainy days
5
Rainy days
Average snowy days
1
Snow days
Average temperatures
5°/-3°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Rapid City Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
5°
2
Overcast
-1°
3
Sunny
13°
4
Cloudy
7°
5
Sunny
6°
6
Cloudy
11°
7
Sunny
16°
8
Patchy rain possible
9°
9
Light freezing rain
0°
10
Light freezing rain
0°
11
Light freezing rain
-4°
12
Overcast
-4°
13
Overcast
0°
14
Partly cloudy
3°
15
Light freezing rain
4°
16
Overcast
3°
17
Overcast
0°
18
Partly cloudy
3°
19
Sunny
6°
20
Overcast
3°
21
Sunny
11°
22
Overcast
10°
23
Partly cloudy
7°
24
Partly cloudy
9°
25
Overcast
6°
26
Sunny
9°
27
Overcast
6°
28
Overcast
7°
29
Partly cloudy
6°
30
Moderate snow
2°
31
Overcast
-1°

Temperatures trend during December in Rapid City

See the weather trend as well as the moving average line

December weather in Rapid City day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Sunny
Sunny
 5° /-6° 0 mm 0 cm
Dec. 2 Overcast
Overcast
 -1° /-9° 0 mm 0 cm
Dec. 3 Sunny
Sunny
 13° /-3° 0 mm 0 cm
Dec. 4 Cloudy
Cloudy
 7° /-1° 0 mm 0 cm
Dec. 5 Sunny
Sunny
 6° /-3° 0 mm 0 cm
Dec. 6 Cloudy
Cloudy
 11° /2° 0 mm 0 cm
Dec. 7 Sunny
Sunny
 16° /3° 0 mm 0 cm
Dec. 8 Patchy rain possible
Patchy rain possible
 9° /3° 0.1 mm 0 cm
Dec. 9 Light freezing rain
Light freezing rain
 0° /-3° 1.2 mm 0 cm
Dec. 10 Light freezing rain
Light freezing rain
 0° /-5° 2.4 mm 0 cm
Dec. 11 Light freezing rain
Light freezing rain
 -4° /-9° 2.8 mm 0 cm
Dec. 12 Overcast
Overcast
 -4° /-9° 0 mm 0 cm
Dec. 13 Overcast
Overcast
 0° /-9° 0 mm 0 cm
Dec. 14 Partly cloudy
Partly cloudy
 3° /-7° 0 mm 0 cm
Dec. 15 Light freezing rain
Light freezing rain
 4° /-1° 1 mm 0 cm
Dec. 16 Overcast
Overcast
 3° /-2° 0 mm 0 cm
Dec. 17 Overcast
Overcast
 0° /-4° 0.6 mm 0 cm
Dec. 18 Partly cloudy
Partly cloudy
 3° /-6° 0 mm 0 cm
Dec. 19 Sunny
Sunny
 6° /-6° 0 mm 0 cm
Dec. 20 Overcast
Overcast
 3° /-7° 0 mm 0 cm
Dec. 21 Sunny
Sunny
 11° /1° 0 mm 0 cm
Dec. 22 Overcast
Overcast
 10° /2° 0 mm 0 cm
Dec. 23 Partly cloudy
Partly cloudy
 7° /0° 0 mm 0 cm
Dec. 24 Partly cloudy
Partly cloudy
 9° /0° 0 mm 0 cm
Dec. 25 Overcast
Overcast
 6° /0° 0 mm 0 cm
Dec. 26 Sunny
Sunny
 9° /0° 0 mm 0 cm
Dec. 27 Overcast
Overcast
 6° /-1° 0 mm 0 cm
Dec. 28 Overcast
Overcast
 7° /-1° 0 mm 0 cm
Dec. 29 Partly cloudy
Partly cloudy
 6° /0° 0.1 mm 0 cm
Dec. 30 Moderate snow
Moderate snow
 2° /-2° 10.1 mm 0.9 cm
Dec. 31 Overcast
Overcast
 -1° /-7° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Rapid City 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 Rapid City forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Rapid City in December - FAQ

What are the expected maximum and minimum temperatures in Rapid City during December?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Rapid City during December?
Expect minimal rainfall in Rapid City during December, with a total of 18.3 mm over approximately 5 days. This minimal precipitation is unlikely to significantly impact plans.
Will it snow in Rapid City in December 2025?
Rapid City typically sees 0.9 cm of snowfall during December.
What are the typical wind conditions in Rapid City during December?
The average wind speed in Rapid City during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

Rapid City snow forecast December 2025

Track daily snowfall levels and discover Rapid City’s snowy potential this December ❄️

December rainfall patterns in Rapid City

Explore the daily rainfall trends and prepare for Rapid Citys December weather 💧

Quick links

More Rapid City weather pages
You are here
Location coordinates Where is Rapid City?

Get accurate weather forecasts for Rapid City, located at latitude 44.081 and longitude -103.231. Stay updated with localized weather information tailored for Rapid City.

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