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Weather in December in Rapid City, South Dakota

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< December >
 
Normal Max/ High Temperature 3°C (37°F)
 
Average Temperature -4°C (25°F)
 
Min/ Low Temperature -11°C (13°F)
 
Normal Precipitation 11mm (0.4in)
Number of Wet Days (probability of rain on a day) 5 (16%)
Average Sunlight per day 04:48
Average Daylight per day 08:55
Sunny (Cloudy) Daylight Hours 55% (45%)
Sun altitude at solar noon on the 21st day.
22.5°


  • 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

Graph of weather in Rapid City, South Dakota in December

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