Weather on March 20
Mcallen, TX
55 Years of Data
Avg High
82°F
Avg Low
60°F
Warmest
1974
82°F avg
Coldest
2023
49°F avg
About This Date
March 20th in Mcallen, TX typically brings warm spring weather, with average highs around 82°F and lows near 60°F. Over 56 years of records, the warmest March 20th was in 1974 (82°F average), while the coldest was 2023 (49°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 7% of March 20th dates historically, with the wettest March 20th recording 0.99" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for March 20th in Mcallen, TX? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 85° | 51° | 68° | — | — |
| 2025 | 89° | 60° | 75° | — | — |
| 2024 | 67° | 59° | 63° | — | — |
| 2023coldest | 53° | 45° | 49° | — | — |
| 2022 | 78° | 56° | 67° | — | — |
| 2021 | 79° | 53° | 66° | — | — |
| 2020 | 86° | 67° | 76° | 0.99" | — |
| 2019 | 70° | 63° | 66° | 0.33" | — |
| 2018 | 87° | 62° | 75° | — | — |
| 2017 | 89° | 66° | 78° | — | — |
| 2016 | 72° | 56° | 64° | — | — |
| 2015 | 78° | 69° | 74° | — | — |
| 2014 | 82° | 63° | 72° | 0.05" | — |
| 2013 | 93° | 68° | 81° | — | — |
| 2012 | 88° | 74° | 81° | — | — |
| 2011 | 89° | 71° | 80° | — | — |
| 2010 | 77° | 61° | 69° | — | — |
| 2009 | 87° | 60° | 74° | — | — |
| 2008 | 87° | 57° | 72° | — | — |
| 2007 | 82° | 68° | 75° | — | — |
| 2006 | 89° | 72° | 80° | — | — |
| 2005 | 81° | 67° | 74° | — | — |
| 2004 | 84° | 73° | 79° | — | — |
| 2003 | 85° | 57° | 71° | — | — |
| 2002 | 88° | 69° | 78° | — | — |
| 2001 | 69° | 45° | 57° | — | — |
| 2000 | 78° | 53° | 66° | — | — |
| 1999 | 82° | 63° | 72° | — | — |
| 1998 | 82° | 53° | 68° | — | — |
| 1997 | 73° | 54° | 63° | — | — |
| 1996 | 75° | 49° | 62° | — | — |
| 1995 | 88° | 60° | 74° | — | — |
| 1994 | 85° | 68° | 76° | — | — |
| 1993 | 78° | 60° | 69° | — | — |
| 1992 | 89° | 56° | 72° | — | — |
| 1991 | 84° | 54° | 69° | — | — |
| 1990 | 81° | 52° | 66° | — | — |
| 1989 | 87° | 69° | 78° | — | — |
| 1988 | 68° | 38° | 53° | — | — |
| 1987 | 85° | 58° | 71° | — | — |
| 1986 | 74° | 54° | 64° | — | — |
| 1985 | 77° | 60° | 69° | — | — |
| 1984 | 78° | 50° | 64° | — | — |
| 1983 | 88° | 60° | 74° | — | — |
| 1982 | 92° | 70° | 81° | 0.03" | — |
| 1981 | 69° | 43° | 56° | — | — |
| 1980 | 86° | 60° | 73° | — | — |
| 1979 | 84° | 74° | 79° | — | — |
| 1978 | 80° | 49° | 64° | — | — |
| 1977 | 85° | 55° | 70° | — | — |
| 1976 | 89° | 66° | 78° | — | — |
| 1975 | 87° | 51° | 69° | — | — |
| 1974warmest | 94° | 70° | 82° | — | — |
| 1973 | 80° | 65° | 72° | — | — |
| 1972 | 85° | 63° | 74° | — | — |
| 1971 | 71° | 46° | 59° | — | — |
56 years of data from MCALLEN