Weather · Rapid City, United States
Rapid City Weather in December
Expect cold, some rain in Rapid City through December: highs near 2°C, lows around -3°C, 75mm of rain across the month. It's a reasonable time to visit.
Avg high
2°C
36°F
Avg low
-3°C
27°F
Rainfall
75mm
#8 wettest of 12
What to pack
Warm layers and a proper coat. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Rapid City builds it around the season for you.