Weather on June 21
Mcallen, TX
55 Years of Data
Avg High
95°F
Avg Low
76°F
Warmest
2023
93°F avg
Coldest
1973
78°F avg
About This Date
June 21st in Mcallen, TX typically brings hot summer weather, with average highs around 95°F and lows near 76°F. Over 55 years of records, the warmest June 21st was in 2023 (93°F average), while the coldest was 1973 (78°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 11% of June 21st dates historically, with the wettest June 21st recording 2.87" 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 June 21st in Mcallen, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 76° | 85° | 0.43" | — |
| 2024 | 91° | 76° | 83° | 1.17" | — |
| 2023warmest | 105° | 80° | 93° | — | — |
| 2022 | 98° | 78° | 88° | — | — |
| 2021 | 92° | 79° | 85° | — | — |
| 2020 | 95° | 78° | 87° | — | — |
| 2019 | 99° | 84° | 91° | — | — |
| 2018 | 84° | 76° | 80° | — | — |
| 2017 | 101° | 80° | 90° | — | — |
| 2016 | 96° | 76° | 86° | — | — |
| 2015 | 92° | 78° | 85° | — | — |
| 2014 | 99° | 71° | 85° | — | — |
| 2013 | 97° | 77° | 87° | — | — |
| 2012 | 92° | 76° | 84° | — | — |
| 2011 | 97° | 80° | 88° | — | — |
| 2010 | 98° | 76° | 87° | — | — |
| 2009 | 97° | 80° | 88° | — | — |
| 2008 | 100° | 77° | 89° | — | — |
| 2007 | 97° | 80° | 88° | — | — |
| 2006 | 99° | 78° | 88° | — | — |
| 2005 | 97° | 78° | 87° | — | — |
| 2004 | 98° | 76° | 87° | — | — |
| 2003 | 98° | 76° | 87° | — | — |
| 2002 | 99° | 78° | 88° | — | — |
| 2001 | 96° | 76° | 86° | — | — |
| 2000 | 93° | 76° | 84° | — | — |
| 1999 | 88° | 76° | 82° | — | — |
| 1998 | 98° | 79° | 88° | — | — |
| 1997 | 91° | 79° | 85° | — | — |
| 1996 | 100° | 80° | 90° | — | — |
| 1995 | 90° | 73° | 81° | 0.15" | — |
| 1994 | 95° | 76° | 85° | — | — |
| 1993 | 85° | 75° | 80° | 2.87" | — |
| 1992 | 97° | 74° | 85° | — | — |
| 1991 | 97° | 76° | 86° | — | — |
| 1990 | 97° | 74° | 85° | — | — |
| 1989 | 99° | 73° | 86° | — | — |
| 1988 | 93° | 72° | 82° | — | — |
| 1987 | 94° | 75° | 84° | — | — |
| 1986 | 94° | 76° | 85° | — | — |
| 1985 | 87° | 73° | 80° | — | — |
| 1984 | 93° | 73° | 83° | — | — |
| 1983 | 94° | 71° | 82° | — | — |
| 1982 | 95° | 73° | 84° | — | — |
| 1981 | 93° | 73° | 83° | — | — |
| 1980 | 101° | 78° | 89° | — | — |
| 1979 | 95° | 77° | 86° | — | — |
| 1978 | 95° | 72° | 83° | — | — |
| 1977 | 94° | 76° | 85° | — | — |
| 1976 | 94° | 70° | 82° | — | — |
| 1975 | 93° | 78° | 86° | 0.05" | — |
| 1974 | 94° | 72° | 83° | — | — |
| 1973coldest | 84° | 72° | 78° | 1.32" | — |
| 1972 | 94° | 73° | 83° | — | — |
| 1971 | 90° | 72° | 81° | — | — |
55 years of data from MCALLEN