Weather on May 21
Carrollton, TX
55 Years of Data
Avg High
85°F
Avg Low
66°F
Warmest
1996
86°F avg
Coldest
2015
62°F avg
About This Date
May 21st in Carrollton, TX typically brings warm spring weather, with average highs around 85°F and lows near 66°F. Over 55 years of records, the warmest May 21st was in 1996 (86°F average), while the coldest was 2015 (62°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 29% of May 21st dates historically, with the wettest May 21st recording 3.63" of rain. 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 Carrollton, TX? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 62° | 77° | — | — |
| 2024 | 89° | 75° | 82° | — | — |
| 2023 | 75° | 62° | 69° | — | — |
| 2022 | 91° | 62° | 77° | — | — |
| 2021 | 86° | 71° | 79° | — | — |
| 2020 | 88° | 71° | 79° | — | — |
| 2019 | 85° | 67° | 76° | 0.28" | — |
| 2018 | 89° | 68° | 79° | — | — |
| 2017 | 81° | 62° | 71° | 0.23" | — |
| 2016 | 85° | 65° | 75° | — | — |
| 2015coldest | 68° | 56° | 62° | 1.42" | — |
| 2014 | 87° | 69° | 78° | — | — |
| 2013 | 84° | 62° | 73° | 2.06" | — |
| 2012 | 90° | 68° | 79° | — | — |
| 2011 | 86° | 65° | 75° | — | — |
| 2010 | 89° | 69° | 79° | — | — |
| 2009 | 86° | 60° | 73° | — | — |
| 2008 | 90° | 70° | 80° | — | — |
| 2007 | 78° | 66° | 72° | 0.81" | — |
| 2006 | 91° | 69° | 80° | — | — |
| 2005 | 99° | 74° | 86° | — | — |
| 2004 | 89° | 72° | 80° | — | — |
| 2003 | 69° | 63° | 66° | 0.08" | — |
| 2002 | 80° | 60° | 70° | — | — |
| 2001 | 81° | 58° | 69° | — | — |
| 2000 | 88° | 64° | 76° | — | — |
| 1999 | 87° | 71° | 79° | — | — |
| 1998 | 95° | 72° | 83° | — | — |
| 1997 | 68° | 60° | 64° | 0.38" | — |
| 1996warmest | 97° | 75° | 86° | — | — |
| 1995 | 85° | 64° | 74° | — | — |
| 1994 | 84° | 60° | 72° | — | — |
| 1993 | 82° | 65° | 73° | — | — |
| 1992 | 84° | 67° | 75° | 0.94" | — |
| 1991 | 85° | 71° | 78° | 0.05" | — |
| 1990 | 90° | 70° | 80° | — | — |
| 1989 | 91° | 73° | 82° | — | — |
| 1988 | 81° | 63° | 72° | — | — |
| 1987 | 90° | 71° | 80° | — | — |
| 1986 | 85° | 63° | 74° | — | — |
| 1985 | 78° | 62° | 70° | 2.41" | — |
| 1984 | 90° | 65° | 77° | — | — |
| 1983 | 81° | 60° | 70° | 2.84" | — |
| 1982 | 88° | 67° | 77° | 0.2" | — |
| 1981 | 82° | 60° | 71° | — | — |
| 1980 | 80° | 61° | 70° | — | — |
| 1979 | 77° | 64° | 71° | 0.74" | — |
| 1978 | 81° | 68° | 74° | 3.63" | — |
| 1977 | 90° | 63° | 76° | 0.84" | — |
| 1976 | 84° | 65° | 74° | — | — |
| 1975 | 90° | 68° | 79° | — | — |
| 1974 | 83° | 69° | 76° | 0.18" | — |
| 1973 | 94° | 71° | 82° | — | — |
| 1972 | 90° | 69° | 79° | — | — |
| 1971 | 87° | 66° | 77° | — | — |
55 years of data from ADDISON AIRPORT