Weather on June 21
Lewisville, TX
55 Years of Data
Avg High
92°F
Avg Low
72°F
Warmest
2023
90°F avg
Coldest
1976
71°F avg
About This Date
June 21st in Lewisville, TX typically brings hot summer weather, with average highs around 92°F and lows near 72°F. Over 55 years of records, the warmest June 21st was in 2023 (90°F average), while the coldest was 1976 (71°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 20% of June 21st dates historically, with the wettest June 21st recording 5.03" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Lewisville, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 70° | 81° | — | — |
| 2024 | 92° | 75° | 83° | — | — |
| 2023warmest | 99° | 82° | 90° | — | — |
| 2022 | 100° | 77° | 89° | — | — |
| 2021 | 94° | 76° | 85° | — | — |
| 2020 | 92° | 69° | 80° | 5.03" | — |
| 2019 | 95° | 75° | 85° | — | — |
| 2018 | 95° | 71° | 83° | 1.52" | — |
| 2017 | 92° | 68° | 80° | — | — |
| 2016 | 92° | 75° | 83° | — | — |
| 2015 | 87° | 74° | 80° | — | — |
| 2014 | 93° | 77° | 85° | — | — |
| 2013 | 94° | 77° | 85° | — | — |
| 2012 | 91° | 74° | 82° | — | — |
| 2011 | 97° | 67° | 82° | 3.28" | — |
| 2010 | 99° | 79° | 89° | — | — |
| 2009 | 95° | 76° | 85° | — | — |
| 2008 | 94° | 71° | 82° | — | — |
| 2007 | 87° | 69° | 78° | — | — |
| 2006 | 93° | 73° | 83° | — | — |
| 2005 | 96° | 66° | 81° | — | — |
| 2004 | 88° | 71° | 79° | — | — |
| 2003 | 91° | 72° | 81° | — | — |
| 2002 | 92° | 73° | 82° | 0.25" | — |
| 2001 | 91° | 66° | 79° | 2.21" | — |
| 2000 | 95° | 70° | 82° | 0.08" | — |
| 1999 | 90° | 72° | 81° | 0.56" | — |
| 1998 | 98° | 77° | 88° | — | — |
| 1997 | 90° | 75° | 82° | — | — |
| 1996 | 93° | 72° | 82° | — | — |
| 1995 | 90° | 67° | 78° | — | — |
| 1994 | 90° | 69° | 79° | — | — |
| 1993 | 85° | 71° | 78° | — | — |
| 1992 | 81° | 69° | 75° | 0.91" | — |
| 1991 | 93° | 73° | 83° | — | — |
| 1990 | 95° | 78° | 87° | — | — |
| 1989 | 92° | 71° | 81° | — | — |
| 1988 | 92° | 71° | 81° | — | — |
| 1987 | 92° | 70° | 81° | — | — |
| 1986 | 94° | 73° | 83° | — | — |
| 1985 | 88° | 70° | 79° | — | — |
| 1984 | 97° | 76° | 86° | — | — |
| 1983 | 92° | 70° | 81° | — | — |
| 1982 | 85° | 63° | 74° | 2.79" | — |
| 1981 | 92° | 78° | 85° | — | — |
| 1980 | 94° | 71° | 82° | — | — |
| 1979 | 94° | 67° | 80° | — | — |
| 1978 | 94° | 71° | 82° | — | — |
| 1977 | 92° | 73° | 82° | — | — |
| 1976coldest | 85° | 57° | 71° | — | — |
| 1975 | 90° | 72° | 81° | — | — |
| 1974 | 94° | 74° | 84° | — | — |
| 1973 | 87° | 65° | 76° | — | — |
| 1972 | 97° | 65° | 81° | 1.68" | — |
| 1971 | 94° | 70° | 82° | 1.42" | — |
55 years of data from DENTON 2 SE