Box Elder climate

Box Elder Weather in December

NOAA 1991-2020 normals for Rapid City Rgnl AP, 7.8 km from Box Elder

Average highs run from 41°F on December 1 to 36°F on December 31, and lows from 17°F to 13°F. Normal precipitation for the month is 0.35 in over about 5 wet days.

December day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Box Elder, in °F, with the record for each date.-50-250255075100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
37°F
Average low
14°F
Precipitation
0.35 in
Snowfall
6.7 in
Record high
75°FDec 2, 2021
Record low
-30°FDec 30, 1990
Chance of a freeze
100%
Daylight
9 h 08 min to 8 h 57 min
Cloud cover
65%
Humidity
68%
Dew point
18°F
Wind
10.1 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Dec 141°F17°F74°F 2021-14°F 198516%15%
Dec 241°F16°F75°F 2021-19°F 198516%15%
Dec 340°F16°F68°F 1948-6°F 200616%15%
Dec 440°F16°F75°F 1965-5°F 197216%16%
Dec 540°F16°F67°F 1987-22°F 197216%16%
Dec 639°F15°F65°F 1981-20°F 197216%16%
Dec 739°F15°F69°F 1984-14°F 201316%16%
Dec 839°F15°F68°F 2020-23°F 197216%16%
Dec 938°F15°F70°F 1957-19°F 197216%16%
Dec 1038°F15°F68°F 1987-14°F 197216%16%
Dec 1138°F14°F71°F 2014-19°F 200016%16%
Dec 1237°F14°F71°F 2014-19°F 200016%17%
Dec 1337°F14°F65°F 1988-15°F 198516%17%
Dec 1437°F14°F70°F 1998-25°F 198916%17%
Dec 1537°F14°F64°F 2025-22°F 198916%17%
Dec 1637°F14°F67°F 2025-20°F 196416%17%
Dec 1736°F13°F69°F 1998-23°F 196416%17%
Dec 1836°F13°F70°F 1979-20°F 198316%17%
Dec 1936°F13°F62°F 2025-17°F 199016%17%
Dec 2036°F13°F63°F 1954-20°F 198316%17%
Dec 2136°F13°F65°F 1991-25°F 198316%18%
Dec 2236°F13°F67°F 2020-29°F 198916%18%
Dec 2336°F13°F66°F 1955-27°F 198317%18%
Dec 2436°F13°F63°F 2025-26°F 198317%18%
Dec 2536°F13°F71°F 2025-21°F 198317%18%
Dec 2636°F13°F64°F 2025-23°F 199617%18%
Dec 2736°F13°F60°F 2025-12°F 201717%18%
Dec 2836°F13°F62°F 1999-17°F 199017%18%
Dec 2936°F13°F65°F 1965-29°F 199017%18%
Dec 3036°F13°F60°F 1965-30°F 199017%18%
Dec 3136°F13°F62°F 1963-21°F 201717%18%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Box Elder, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

December 1
sunrise 7:07 AM, sunset 4:15 PM
December 31
sunrise 7:27 AM, sunset 4:24 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024090 (Rapid City Rgnl AP), public domain. Records: NOAA GHCN-Daily, station USW00024090, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.