Weather on December 21
Billings, MT
55 Years of Data
Avg High
38°F
Avg Low
15°F
Warmest
2019
46°F avg
Coldest
1990
-21°F avg
About This Date
December 21st in Billings, MT typically brings cold winter weather, with average highs around 38°F and lows near 15°F. Over 55 years of records, the warmest December 21st was in 2019 (46°F average), while the coldest was 1990 (-21°F) — a 67°F range across recorded history. Precipitation has occurred on 15% of recorded December 21st dates, with snow falling 4% of the time (heaviest snowfall: 2.5"). The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Billings, MT? Bundle up with warm layers and protect extremities from the cold.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 43° | 21° | 32° | — | — |
| 2024 | 60° | 21° | 41° | — | — |
| 2023 | 57° | 25° | 41° | — | — |
| 2022 | -2° | -13° | -7° | 0.38" | 2.5" |
| 2021 | 43° | 14° | 28° | — | — |
| 2020 | 55° | 31° | 43° | 0.05" | — |
| 2019warmest | 53° | 40° | 46° | — | — |
| 2018 | 45° | 22° | 33° | — | — |
| 2017 | 31° | 7° | 19° | 0.51" | 2" |
| 2016 | 43° | 26° | 34° | — | — |
| 2015 | 40° | 10° | 25° | — | — |
| 2014 | 52° | 23° | 37° | — | — |
| 2013 | 29° | 19° | 24° | — | — |
| 2012 | 46° | 11° | 28° | — | — |
| 2011 | 43° | 28° | 35° | — | — |
| 2010 | 24° | -4° | 10° | — | — |
| 2009 | 48° | 30° | 39° | — | — |
| 2008 | 1° | -20° | -9° | — | — |
| 2007 | 50° | 24° | 37° | 0.46" | — |
| 2006 | 47° | 13° | 30° | — | — |
| 2005 | 46° | 29° | 37° | — | — |
| 2004 | 43° | 26° | 34° | — | — |
| 2003 | 49° | 28° | 38° | — | — |
| 2002 | 33° | 11° | 22° | — | — |
| 2001 | 30° | 13° | 21° | — | — |
| 2000 | 44° | -10° | 17° | — | — |
| 1999 | 38° | 27° | 32° | — | — |
| 1998 | 3° | -14° | -5° | — | — |
| 1997 | 41° | 16° | 28° | — | — |
| 1996 | 39° | 8° | 24° | 0.79" | — |
| 1995 | 39° | 21° | 30° | — | — |
| 1994 | 57° | 28° | 43° | — | — |
| 1993 | 38° | 27° | 32° | — | — |
| 1992 | 39° | 18° | 28° | — | — |
| 1991 | 50° | 21° | 36° | — | — |
| 1990coldest | -11° | -31° | -21° | 0.03" | — |
| 1989 | -6° | -12° | -9° | 0.69" | — |
| 1988 | 37° | 16° | 26° | — | — |
| 1987 | 49° | 11° | 30° | — | — |
| 1986 | 48° | 16° | 32° | — | — |
| 1985 | 48° | 31° | 39° | — | — |
| 1984 | 35° | 13° | 24° | — | — |
| 1983 | -6° | -25° | -15° | — | — |
| 1982 | 50° | 32° | 41° | — | — |
| 1981 | 41° | 20° | 30° | — | — |
| 1980 | 34° | 10° | 22° | — | — |
| 1979 | 44° | 19° | 32° | — | — |
| 1978 | 41° | 19° | 30° | 0.1" | — |
| 1977 | 37° | 11° | 24° | — | — |
| 1976 | 46° | 17° | 32° | — | — |
| 1975 | 43° | 16° | 29° | — | — |
| 1974 | 61° | 28° | 44° | — | — |
| 1973 | 48° | 22° | 35° | — | — |
| 1972 | 51° | 26° | 39° | — | — |
| 1971 | 30° | 15° | 23° | — | — |
55 years of data from BILLINGS WTP