Weather on April 21
Mcallen, TX
55 Years of Data
Avg High
88°F
Avg Low
68°F
Warmest
1973
87°F avg
Coldest
2013
66°F avg
About This Date
April 21st in Mcallen, TX typically brings warm spring weather, with average highs around 88°F and lows near 68°F. Over 55 years of records, the warmest April 21st was in 1973 (87°F average), while the coldest was 2013 (66°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 15% of April 21st dates historically, with the wettest April 21st recording 3.56" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for April 21st in Mcallen, TX? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 73° | 81° | 0.36" | — |
| 2024 | 91° | 69° | 80° | — | — |
| 2023 | 86° | 76° | 81° | — | — |
| 2022 | 86° | 74° | 80° | 0.25" | — |
| 2021 | 86° | 58° | 72° | — | — |
| 2020 | 92° | 77° | 84° | — | — |
| 2019 | 90° | 68° | 79° | — | — |
| 2018 | 92° | 69° | 80° | — | — |
| 2017 | 91° | 71° | 81° | — | — |
| 2016 | 92° | 72° | 82° | — | — |
| 2015 | 79° | 64° | 71° | 0.53" | — |
| 2014 | 79° | 68° | 73° | — | — |
| 2013coldest | 80° | 52° | 66° | — | — |
| 2012 | 90° | 66° | 78° | 1.02" | — |
| 2011 | 93° | 76° | 84° | — | — |
| 2010 | 86° | 64° | 75° | — | — |
| 2009 | 89° | 62° | 76° | — | — |
| 2008 | 88° | 73° | 80° | — | — |
| 2007 | 85° | 68° | 76° | — | — |
| 2006 | 91° | 74° | 82° | — | — |
| 2005 | 85° | 71° | 78° | — | — |
| 2004 | 84° | 68° | 76° | — | — |
| 2003 | 75° | 67° | 71° | 0.05" | — |
| 2002 | 89° | 75° | 82° | — | — |
| 2001 | 87° | 73° | 80° | — | — |
| 2000 | 96° | 71° | 84° | — | — |
| 1999 | 85° | 67° | 76° | — | — |
| 1998 | 83° | 63° | 73° | — | — |
| 1997 | 86° | 69° | 78° | — | — |
| 1996 | 93° | 72° | 82° | — | — |
| 1995 | 94° | 69° | 81° | — | — |
| 1994 | 85° | 65° | 75° | — | — |
| 1993 | 82° | 64° | 73° | — | — |
| 1992 | 82° | 59° | 71° | — | — |
| 1991 | 82° | 69° | 76° | — | — |
| 1990 | 91° | 72° | 81° | — | — |
| 1989 | 89° | 68° | 79° | — | — |
| 1988 | 88° | 62° | 75° | — | — |
| 1987 | 90° | 69° | 79° | — | — |
| 1986 | 83° | 59° | 71° | — | — |
| 1985 | 87° | 75° | 81° | — | — |
| 1984 | 96° | 70° | 83° | — | — |
| 1983 | 89° | 70° | 79° | — | — |
| 1982 | 95° | 59° | 77° | 0.25" | — |
| 1981 | 93° | 70° | 81° | — | — |
| 1980 | 85° | 57° | 71° | — | — |
| 1979 | 90° | 62° | 76° | — | — |
| 1978 | 79° | 58° | 68° | — | — |
| 1977 | 94° | 69° | 81° | 3.56" | — |
| 1976 | 82° | 63° | 72° | 0.3" | — |
| 1975 | 91° | 72° | 81° | — | — |
| 1974 | 85° | 71° | 78° | — | — |
| 1973warmest | 100° | 73° | 87° | — | — |
| 1972 | 89° | 71° | 80° | — | — |
| 1971 | 76° | 64° | 70° | — | — |
55 years of data from MCALLEN