| < December >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in Rapid City, South Dakota in December is slightly cold at -3.9 °C (24.98 °F).
- Afternoons can be very cool with average high temperatures reaching 2.8 °C (37 °F).
- Overnight temperatures are generally very cold with an average low of -10.7 °C (12.7 °F).
- In December there is a range/ variation of daily average temperatures of 13.5 °C (24.3 °F).
- The weather in December is droughty with occasional snow. A feeble 10.7mm (0.4in) of H2O descends during on average 5 days.
- The heavens above Rapid City, South Dakota are slightly fair having an average of a mediocre 4:48 of gorgeous sunshine per day.
- The shortest day is 8:52 long and the longest day is 9:06 long with an average length of 8:55.
- There are approximately 3:56 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 54.9% of daylight hours and cloudy 45.1% of daylight hours.
Check the distance to and compare the Rapid City, South Dakota December averages with somewhere beginning with:
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Weather Trend Graph for December in Rapid City, South Dakota, Usa
Navigate to December Weather in Locations Surrounding Rapid City, South Dakota:
- Miles City, Montana, Usa - 333.1 kms (207 miles) NW
- Ekalaka, Mt, Usa - 226.4 kms (140.7 miles) NNW
- Sheridan, Wy, Usa - 306.3 kms (190.3 miles) WNW
- Casper, Wy, Usa - 291.3 kms (181 miles) WSW
- Lusk, Wy, Usa - 176.7 kms (109.8 miles) SW
- Chugwater, Wy, Usa - 272.4 kms (169.2 miles) SSW
- Scottsbluff, Ne, Usa - 248 kms (154.1 miles) S
- Kimball, Ne, Usa - 348.3 kms (216.4 miles) S
- Eureka, Sd, Usa - 331.6 kms (206.1 miles) NE
- Faulkton, Sd, Usa - 342.2 kms (212.7 miles) ENE
- Pierre Faa Ap, Sd, Usa - 231.7 kms (144 miles) E
- Rapid City (Airport), Sd, Usa - 2.9 kms (1.8 miles) ESE
- Hay Springs, Ne, Usa - 121.6 kms (75.6 miles) S
- Hot Springs, Sd, Usa - 121.6 kms (75.6 miles) S
- Valentine, Ne, Usa - 255 kms (158.4 miles) ESE
- Alliance, Ne, Usa - 228.5 kms (142 miles) S
- Lodgepole, Ne, Usa - 343.1 kms (213.2 miles) S