Weather on March 21
Salt Lake City, UT
55 Years of Data
Avg High
58°F
Avg Low
36°F
Warmest
2017
66°F avg
Coldest
1982
34°F avg
About This Date
March 21st in Salt Lake City, UT typically brings cool spring weather, with average highs around 58°F and lows near 36°F. Over 56 years of records, the warmest March 21st was in 2017 (66°F average), while the coldest was 1982 (34°F) — a 32°F range across recorded history. Precipitation has occurred on 23% of recorded March 21st dates, with snow falling 5% of the time (heaviest snowfall: 6.4"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 21st in Salt Lake City, UT? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 84° | 49° | 66° | — | — |
| 2025 | 53° | 33° | 43° | — | — |
| 2024 | 63° | 45° | 54° | — | — |
| 2023 | 50° | 34° | 42° | 0.13" | — |
| 2022 | 47° | 29° | 38° | — | — |
| 2021 | 43° | 29° | 36° | 0.64" | — |
| 2020 | 53° | 33° | 43° | — | — |
| 2019 | 54° | 40° | 47° | 0.53" | — |
| 2018 | 67° | 44° | 55° | — | — |
| 2017warmest | 75° | 57° | 66° | — | — |
| 2016 | 68° | 49° | 58° | — | — |
| 2015 | 71° | 42° | 57° | — | — |
| 2014 | 54° | 35° | 44° | — | — |
| 2013 | 52° | 31° | 41° | 0.43" | 1" |
| 2012 | 62° | 42° | 52° | — | — |
| 2011 | 53° | 39° | 46° | — | — |
| 2010 | 64° | 33° | 49° | — | — |
| 2009 | 74° | 47° | 60° | — | — |
| 2008 | 51° | 33° | 42° | — | — |
| 2007 | 54° | 42° | 48° | 0.3" | — |
| 2006 | 49° | 35° | 42° | 0.03" | — |
| 2005 | 51° | 37° | 44° | 0.03" | — |
| 2004 | 73° | 42° | 58° | — | — |
| 2003 | 53° | 35° | 44° | — | — |
| 2002 | 62° | 36° | 49° | — | — |
| 2001 | 63° | 44° | 53° | — | — |
| 2000 | 47° | 27° | 37° | — | — |
| 1999 | 60° | 42° | 51° | — | — |
| 1998 | 63° | 35° | 49° | — | — |
| 1997 | 64° | 44° | 54° | — | — |
| 1996 | 72° | 40° | 56° | — | — |
| 1995 | 63° | 33° | 48° | 0.51" | 0.4" |
| 1994 | 63° | 35° | 49° | — | — |
| 1993 | 55° | 37° | 46° | — | — |
| 1992 | 59° | 39° | 49° | — | — |
| 1991 | 46° | 31° | 38° | 0.3" | — |
| 1990 | 65° | 43° | 54° | — | — |
| 1989 | 57° | 31° | 44° | — | — |
| 1988 | 70° | 46° | 58° | — | — |
| 1987 | 44° | 26° | 35° | — | — |
| 1986 | 65° | 36° | 50° | — | — |
| 1985 | 51° | 32° | 42° | 0.05" | — |
| 1984 | 52° | 34° | 43° | 0.2" | — |
| 1983 | 51° | 30° | 41° | — | — |
| 1982coldest | 44° | 25° | 34° | — | — |
| 1981 | 52° | 37° | 44° | — | — |
| 1980 | 42° | 34° | 38° | 1.8" | 6.4" |
| 1979 | 56° | 29° | 42° | — | — |
| 1978 | 69° | 45° | 57° | — | — |
| 1977 | 54° | 30° | 42° | — | — |
| 1976 | 53° | 31° | 42° | — | — |
| 1975 | 53° | 32° | 43° | 1.09" | — |
| 1974 | 51° | 20° | 35° | — | — |
| 1973 | 58° | 33° | 45° | — | — |
| 1972 | 74° | 34° | 54° | — | — |
| 1971 | 60° | 32° | 46° | — | — |
56 years of data from SALT LAKE CITY SUB SEW