Weather on May 21
Tracy, CA
55 Years of Data
Avg High
82°F
Avg Low
52°F
Warmest
2001
86°F avg
Coldest
1998
54°F avg
About This Date
May 21st in Tracy, CA typically brings warm spring weather, with average highs around 82°F and lows near 52°F — a 30°F daily swing. Over 55 years of records, the warmest May 21st was in 2001 (86°F average), while the coldest was 1998 (54°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 21st dates historically. 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 May 21st in Tracy, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 50° | 69° | — | — |
| 2024 | 82° | 61° | 71° | — | — |
| 2023 | 86° | 52° | 69° | — | — |
| 2022 | 80° | 66° | 73° | — | — |
| 2021 | 71° | 44° | 58° | — | — |
| 2020 | 78° | 50° | 64° | — | — |
| 2019 | 68° | 39° | 54° | — | — |
| 2018 | 83° | 48° | 65° | — | — |
| 2017 | 93° | 54° | 73° | — | — |
| 2016 | 75° | 46° | 61° | — | — |
| 2015 | 79° | 48° | 63° | — | — |
| 2014 | 75° | 54° | 64° | — | — |
| 2013 | 90° | 52° | 71° | — | — |
| 2012 | 91° | 55° | 73° | — | — |
| 2011 | 82° | 50° | 66° | — | — |
| 2010 | 75° | 54° | 64° | — | — |
| 2009 | 87° | 52° | 69° | — | — |
| 2008 | 89° | 59° | 74° | — | — |
| 2007 | 83° | 63° | 73° | — | — |
| 2006 | 80° | 58° | 69° | — | — |
| 2005 | 78° | 50° | 64° | — | — |
| 2004 | 77° | 48° | 63° | — | — |
| 2003 | 93° | 56° | 74° | — | — |
| 2002 | 65° | 46° | 55° | 0.2" | — |
| 2001warmest | 97° | 75° | 86° | — | — |
| 2000 | 94° | 61° | 77° | — | — |
| 1999 | 71° | 44° | 58° | — | — |
| 1998coldest | 71° | 38° | 54° | — | — |
| 1997 | 88° | 49° | 68° | — | — |
| 1996 | 79° | 51° | 65° | — | — |
| 1995 | 82° | 47° | 64° | — | — |
| 1994 | 77° | 46° | 62° | — | — |
| 1993 | 78° | 51° | 65° | — | — |
| 1992 | 89° | 63° | 76° | — | — |
| 1991 | 86° | 46° | 66° | — | — |
| 1990 | 81° | 52° | 66° | — | — |
| 1989 | 70° | 51° | 60° | — | — |
| 1988 | 99° | 62° | 80° | — | — |
| 1987 | 74° | 50° | 62° | — | — |
| 1986 | 77° | 52° | 64° | — | — |
| 1985 | 92° | 60° | 76° | — | — |
| 1984 | 85° | 50° | 67° | — | — |
| 1983 | 90° | 63° | 76° | — | — |
| 1982 | 88° | 48° | 68° | — | — |
| 1981 | 75° | 37° | 56° | — | — |
| 1980 | 95° | 61° | 78° | — | — |
| 1979 | 82° | 52° | 67° | — | — |
| 1978 | 89° | 51° | 70° | — | — |
| 1977 | 83° | 47° | 65° | — | — |
| 1976 | 84° | 49° | 66° | — | — |
| 1975 | 71° | 51° | 61° | — | — |
| 1974 | 75° | 43° | 59° | — | — |
| 1973 | 78° | 49° | 63° | — | — |
| 1972 | 65° | 50° | 57° | 0.48" | — |
| 1971 | 78° | 37° | 58° | — | — |
55 years of data from TRACY CARBONA