Weather on October 20
Richardson, TX
55 Years of Data
Avg High
78°F
Avg Low
55°F
Warmest
1979
81°F avg
Coldest
1989
45°F avg
About This Date
October 20th in Richardson, TX typically brings pleasant fall weather, with average highs around 78°F and lows near 55°F. Over 55 years of records, the warmest October 20th was in 1979 (81°F average), while the coldest was 1989 (45°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 18% of October 20th dates historically, with the wettest October 20th recording 7.32" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Richardson, TX? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 58° | 73° | — | — |
| 2024 | 82° | 55° | 69° | — | — |
| 2023 | 89° | 62° | 76° | — | — |
| 2022 | 82° | 47° | 64° | — | — |
| 2021 | 82° | 65° | 73° | — | — |
| 2020 | 85° | 59° | 72° | — | — |
| 2019 | 87° | 53° | 70° | 3.84" | — |
| 2018 | 72° | 55° | 63° | 0.05" | — |
| 2017 | 81° | 60° | 70° | — | — |
| 2016 | 76° | 61° | 68° | 2.31" | — |
| 2015 | 82° | 56° | 69° | — | — |
| 2014 | 81° | 54° | 67° | — | — |
| 2013 | 71° | 42° | 57° | — | — |
| 2012 | 85° | 54° | 69° | — | — |
| 2011 | 71° | 41° | 56° | — | — |
| 2010 | 82° | 62° | 72° | — | — |
| 2009 | 78° | 58° | 68° | — | — |
| 2008 | 82° | 57° | 70° | — | — |
| 2007 | 86° | 50° | 68° | — | — |
| 2006 | 71° | 42° | 57° | — | — |
| 2005 | 83° | 65° | 74° | — | — |
| 2004 | 90° | 59° | 74° | — | — |
| 2003 | 87° | 57° | 72° | — | — |
| 2002 | 64° | 55° | 60° | — | — |
| 2001 | 80° | 63° | 71° | — | — |
| 2000 | 74° | 62° | 68° | 0.28" | — |
| 1999 | 73° | 44° | 59° | — | — |
| 1998 | 62° | 53° | 58° | 1.09" | — |
| 1997 | 83° | 59° | 71° | — | — |
| 1996 | 84° | 64° | 74° | — | — |
| 1995 | 73° | 50° | 62° | — | — |
| 1994 | 74° | 67° | 70° | 1.91" | — |
| 1993 | 68° | 57° | 63° | 0.08" | — |
| 1992 | 82° | 62° | 72° | — | — |
| 1991 | 73° | 55° | 64° | — | — |
| 1990 | 81° | 56° | 68° | — | — |
| 1989coldest | 57° | 33° | 45° | — | — |
| 1988 | 82° | 60° | 71° | — | — |
| 1987 | 67° | 51° | 59° | — | — |
| 1986 | 76° | 58° | 67° | — | — |
| 1985 | 72° | 64° | 68° | — | — |
| 1984 | 81° | 60° | 70° | 7.32" | — |
| 1983 | 80° | 61° | 70° | 0.23" | — |
| 1982 | 66° | 44° | 55° | — | — |
| 1981 | 76° | 53° | 64° | — | — |
| 1980 | 87° | 49° | 68° | — | — |
| 1979warmest | 87° | 75° | 81° | — | — |
| 1978 | 90° | 55° | 72° | — | — |
| 1977 | 90° | 60° | 75° | — | — |
| 1976 | 66° | 33° | 50° | — | — |
| 1975 | 86° | 54° | 70° | — | — |
| 1974 | 70° | 49° | 59° | — | — |
| 1973 | 80° | 53° | 67° | — | — |
| 1972 | 62° | 49° | 55° | — | — |
| 1971 | 70° | 58° | 64° | 0.05" | — |
55 years of data from RICHARDSON