Weather on March 20
Allen, TX
55 Years of Data
Avg High
70°F
Avg Low
46°F
Warmest
2017
76°F avg
Coldest
2016
44°F avg
About This Date
March 20th in Allen, TX typically brings pleasant spring weather, with average highs around 70°F and lows near 46°F. Over 56 years of records, the warmest March 20th was in 2017 (76°F average), while the coldest was 2016 (44°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 21% of March 20th dates historically, with the wettest March 20th recording 5.49" 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 March 20th in Allen, TX? Great weather for outdoor activities.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 89° | 56° | 72° | — | — |
| 2025 | 63° | 38° | 50° | — | — |
| 2024 | 72° | 50° | 61° | — | — |
| 2023 | 53° | 35° | 44° | — | — |
| 2022 | 77° | 44° | 61° | — | — |
| 2021 | 66° | 41° | 54° | — | — |
| 2020 | 66° | 41° | 54° | 0.13" | — |
| 2019 | 65° | 47° | 56° | — | — |
| 2018 | 64° | 42° | 53° | — | — |
| 2017warmest | 88° | 64° | 76° | — | — |
| 2016coldest | 54° | 35° | 44° | — | — |
| 2015 | 59° | 53° | 56° | 1.55" | — |
| 2014 | 71° | 33° | 52° | — | — |
| 2013 | 65° | 42° | 53° | — | — |
| 2012 | 63° | 51° | 57° | 5.49" | — |
| 2011 | 81° | 60° | 70° | — | — |
| 2010 | 60° | 31° | 46° | 2.16" | — |
| 2009 | 74° | 50° | 62° | — | — |
| 2008 | 65° | 46° | 55° | — | — |
| 2007 | 76° | 62° | 69° | — | — |
| 2006 | 73° | 44° | 59° | — | — |
| 2005 | 75° | 50° | 63° | — | — |
| 2004 | 83° | 65° | 74° | — | — |
| 2003 | 73° | 49° | 61° | 0.1" | — |
| 2002 | 62° | 46° | 54° | 0.1" | — |
| 2001 | 63° | 33° | 48° | — | — |
| 2000 | 72° | 36° | 54° | — | — |
| 1999 | 59° | 41° | 50° | — | — |
| 1998 | 56° | 38° | 47° | — | — |
| 1997 | 74° | 36° | 55° | — | — |
| 1996 | 53° | — | — | — | — |
| 1995 | 80° | 50° | 65° | — | — |
| 1994 | 83° | 63° | 73° | — | — |
| 1993 | 57° | 49° | 53° | 1.4" | — |
| 1992 | 64° | 40° | 52° | — | — |
| 1991 | 68° | 44° | 56° | — | — |
| 1990 | 70° | 32° | 51° | — | — |
| 1989 | 83° | 56° | 69° | 0.69" | — |
| 1988 | 81° | 28° | 54° | — | — |
| 1987 | 79° | 54° | 66° | — | — |
| 1986 | 57° | 36° | 46° | — | — |
| 1985 | 69° | 55° | 62° | 3.58" | — |
| 1984 | 68° | 33° | 51° | — | — |
| 1983 | 59° | 39° | 49° | 0.3" | — |
| 1982 | 80° | 66° | 73° | — | — |
| 1981 | 71° | 33° | 52° | — | — |
| 1980 | 76° | — | — | 0.03" | — |
| 1979 | 69° | 55° | 62° | 3.23" | — |
| 1978 | 78° | 61° | 69° | — | — |
| 1977 | 70° | 33° | 51° | — | — |
| 1976 | 79° | 65° | 72° | — | — |
| 1975 | 79° | 51° | 65° | — | — |
| 1974 | 59° | 42° | 51° | — | — |
| 1973 | 69° | 42° | 56° | — | — |
| 1972 | 80° | 60° | 70° | — | — |
| 1971 | 70° | 28° | 49° | — | — |
56 years of data from MCKINNEY MUNI AP