Weather on March 21
Billings, MT
55 Years of Data
Avg High
56°F
Avg Low
28°F
Warmest
2007
58°F avg
Coldest
2002
8°F avg
About This Date
March 21st in Billings, MT typically brings cool spring weather, with average highs around 56°F and lows near 28°F — a 28°F daily swing. Over 56 years of records, the warmest March 21st was in 2007 (58°F average), while the coldest was 2002 (8°F) — a 50°F range across recorded history. Precipitation has occurred on 21% of recorded March 21st dates, with snow falling 5% of the time (heaviest snowfall: 2.2"). The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for March 21st in Billings, MT? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 67° | 37° | 52° | — | — |
| 2025 | 52° | 27° | 39° | — | — |
| 2024 | 59° | 24° | 42° | — | — |
| 2023 | 48° | 26° | 37° | 0.08" | 0.3" |
| 2022 | 66° | 28° | 47° | 0.46" | — |
| 2021 | 42° | 31° | 36° | 1.3" | — |
| 2020 | 38° | 15° | 26° | — | — |
| 2019 | 59° | 23° | 41° | — | — |
| 2018 | 49° | 23° | 36° | — | — |
| 2017 | 43° | 32° | 37° | 0.36" | — |
| 2016 | 69° | 36° | 52° | — | — |
| 2015 | 71° | 37° | 54° | — | — |
| 2014 | 47° | 25° | 36° | 0.13" | — |
| 2013 | 60° | 31° | 45° | — | — |
| 2012 | 66° | 32° | 49° | — | — |
| 2011 | 60° | 35° | 48° | — | — |
| 2010 | 63° | 33° | 48° | — | — |
| 2009 | 67° | 31° | 49° | — | — |
| 2008 | 51° | 29° | 40° | — | — |
| 2007warmest | 73° | 43° | 58° | — | — |
| 2006 | 37° | 13° | 25° | 0.05" | 0.5" |
| 2005 | 58° | 35° | 46° | — | — |
| 2004 | 56° | 27° | 41° | — | — |
| 2003 | 60° | 53° | 57° | — | — |
| 2002coldest | 16° | 1° | 8° | 0.23" | 2.2" |
| 2001 | 61° | 29° | 45° | — | — |
| 2000 | 55° | 19° | 37° | — | — |
| 1999 | 61° | 28° | 44° | — | — |
| 1998 | 62° | 34° | 48° | — | — |
| 1997 | 75° | 36° | 55° | — | — |
| 1996 | 61° | 35° | 48° | — | — |
| 1995 | 51° | 26° | 39° | — | — |
| 1994 | 63° | 31° | 47° | — | — |
| 1993 | 55° | 37° | 46° | — | — |
| 1992 | 47° | 23° | 35° | — | — |
| 1991 | 62° | 37° | 50° | 0.03" | — |
| 1990 | 67° | 34° | 50° | 0.08" | — |
| 1989 | 47° | 18° | 32° | — | — |
| 1988 | 66° | 36° | 51° | — | — |
| 1987 | 40° | 30° | 35° | 0.05" | — |
| 1986 | 72° | 34° | 53° | 0.1" | — |
| 1985 | 63° | 30° | 46° | — | — |
| 1984 | 63° | 33° | 48° | — | — |
| 1983 | 46° | 17° | 32° | — | — |
| 1982 | 34° | 14° | 24° | — | — |
| 1981 | 50° | 23° | 37° | — | — |
| 1980 | 53° | 30° | 42° | — | — |
| 1979 | 53° | 27° | 40° | — | — |
| 1978 | 64° | 30° | 47° | — | — |
| 1977 | 51° | 21° | 36° | — | — |
| 1976 | 51° | 28° | 40° | — | — |
| 1975 | 51° | 25° | 38° | — | — |
| 1974 | 40° | 23° | 31° | — | — |
| 1973 | 64° | 31° | 47° | — | — |
| 1972 | 64° | 28° | 46° | — | — |
| 1971 | 60° | 17° | 39° | 0.25" | — |
56 years of data from BILLINGS WTP