Weather on May 20
Plano, TX
55 Years of Data
Avg High
84°F
Avg Low
63°F
Warmest
1996
84°F avg
Coldest
1981
61°F avg
About This Date
May 20th in Plano, TX typically brings warm spring weather, with average highs around 84°F and lows near 63°F. Over 55 years of records, the warmest May 20th was in 1996 (84°F average), while the coldest was 1981 (61°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 31% of May 20th dates historically, with the wettest May 20th recording 3.1" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for May 20th in Plano, TX? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 68° | 75° | 0.2" | — |
| 2024 | 90° | 72° | 81° | — | — |
| 2023 | 92° | 51° | 71° | — | — |
| 2022 | 92° | 73° | 82° | — | — |
| 2021 | 78° | 65° | 71° | 0.3" | — |
| 2020 | 76° | 68° | 72° | — | — |
| 2019 | 86° | 71° | 79° | — | — |
| 2018 | 78° | 63° | 70° | 0.97" | — |
| 2017 | 80° | 65° | 72° | 0.08" | — |
| 2016 | 80° | 59° | 70° | — | — |
| 2015 | 86° | 63° | 74° | 0.08" | — |
| 2014 | 86° | 69° | 78° | — | — |
| 2013 | 89° | 74° | 81° | — | — |
| 2012 | 88° | 69° | 78° | — | — |
| 2011 | 83° | 66° | 74° | 0.79" | — |
| 2010 | 83° | 71° | 77° | 1.02" | — |
| 2009 | 81° | 54° | 67° | — | — |
| 2008 | 89° | 66° | 78° | — | — |
| 2007 | 80° | 63° | 71° | — | — |
| 2006 | 94° | 71° | 82° | — | — |
| 2005 | 95° | 65° | 80° | — | — |
| 2004 | 88° | 68° | 78° | — | — |
| 2003 | 66° | 58° | 62° | 0.05" | — |
| 2002 | 75° | 48° | 62° | — | — |
| 2001 | 91° | 68° | 80° | — | — |
| 2000 | 66° | 58° | 62° | 0.94" | — |
| 1999 | 84° | 62° | 73° | — | — |
| 1998 | 91° | 68° | 80° | — | — |
| 1997 | 80° | 60° | 70° | 3.1" | — |
| 1996warmest | 95° | 74° | 84° | — | — |
| 1995 | 79° | 53° | 66° | — | — |
| 1994 | 80° | 55° | 68° | — | — |
| 1993 | 80° | 58° | 69° | — | — |
| 1992 | 82° | 65° | 73° | 0.36" | — |
| 1991 | 84° | 71° | 78° | 0.3" | — |
| 1990 | 93° | 62° | 78° | — | — |
| 1989 | 90° | 74° | 82° | — | — |
| 1988 | 87° | 68° | 78° | — | — |
| 1987 | 85° | 63° | 74° | 1.78" | — |
| 1986 | 77° | 52° | 64° | — | — |
| 1985 | 82° | 61° | 71° | 3" | — |
| 1984 | 76° | 61° | 68° | 0.08" | — |
| 1983 | 83° | 62° | 72° | 0.89" | — |
| 1982 | 84° | 70° | 77° | — | — |
| 1981coldest | 76° | 46° | 61° | — | — |
| 1980 | 94° | 62° | 78° | — | — |
| 1979 | 85° | 66° | 75° | — | — |
| 1978 | 89° | 68° | 79° | — | — |
| 1977 | 85° | 65° | 75° | 0.15" | — |
| 1976 | 80° | 54° | 67° | — | — |
| 1975 | 86° | 63° | 74° | — | — |
| 1974 | 86° | 69° | 78° | — | — |
| 1973 | 93° | 67° | 80° | — | — |
| 1972 | 87° | 56° | 71° | — | — |
| 1971 | 83° | 50° | 66° | — | — |
55 years of data from RICHARDSON