Weather on June 18
Plano, TX
55 Years of Data
Avg High
91°F
Avg Low
72°F
Warmest
1980
91°F avg
Coldest
2003
72°F avg
About This Date
June 18th in Plano, TX typically brings hot summer weather, with average highs around 91°F and lows near 72°F. Over 55 years of records, the warmest June 18th was in 1980 (91°F average), while the coldest was 2003 (72°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 22% of June 18th dates historically, with the wettest June 18th recording 1.17" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in Plano, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 78° | 86° | — | — |
| 2024 | 91° | 75° | 83° | — | — |
| 2023 | 91° | 71° | 81° | — | — |
| 2022 | 96° | 75° | 86° | — | — |
| 2021 | 96° | 76° | 86° | — | — |
| 2020 | 92° | 72° | 82° | — | — |
| 2019 | 92° | 69° | 80° | — | — |
| 2018 | 90° | 74° | 82° | — | — |
| 2017 | 92° | 77° | 84° | — | — |
| 2016 | 95° | 77° | 86° | — | — |
| 2015 | 91° | 74° | 82° | — | — |
| 2014 | 93° | 75° | 84° | 0.05" | — |
| 2013 | 85° | 70° | 77° | 0.2" | — |
| 2012 | 90° | 74° | 82° | — | — |
| 2011 | 101° | 79° | 90° | — | — |
| 2010 | 95° | 78° | 87° | — | — |
| 2009 | 93° | 75° | 84° | — | — |
| 2008 | 88° | 69° | 78° | — | — |
| 2007 | 89° | 73° | 81° | 0.51" | — |
| 2006 | 92° | 69° | 80° | 0.69" | — |
| 2005 | 88° | 71° | 79° | — | — |
| 2004 | 91° | 72° | 81° | — | — |
| 2003coldest | 80° | 65° | 72° | 0.05" | — |
| 2002 | 89° | 61° | 75° | — | — |
| 2001 | 88° | 65° | 76° | — | — |
| 2000 | 83° | 70° | 76° | — | — |
| 1999 | 83° | 63° | 73° | — | — |
| 1998 | 98° | 82° | 90° | — | — |
| 1997 | 89° | 66° | 78° | — | — |
| 1996 | 98° | 69° | 84° | 0.84" | — |
| 1995 | 87° | 64° | 76° | — | — |
| 1994 | 92° | 70° | 81° | — | — |
| 1993 | 88° | 71° | 79° | 1.17" | — |
| 1992 | 93° | 76° | 84° | — | — |
| 1991 | 95° | 74° | 84° | — | — |
| 1990 | 97° | 75° | 86° | — | — |
| 1989 | 89° | 68° | 79° | — | — |
| 1988 | 93° | 68° | 81° | 0.53" | — |
| 1987 | 96° | 68° | 82° | 0.66" | — |
| 1986 | 88° | 70° | 79° | — | — |
| 1985 | 81° | 71° | 76° | — | — |
| 1984 | 94° | 72° | 83° | — | — |
| 1983 | 88° | 63° | 75° | — | — |
| 1982 | 91° | 67° | 79° | 0.18" | — |
| 1981 | 90° | 71° | 80° | — | — |
| 1980warmest | 102° | 80° | 91° | — | — |
| 1979 | 90° | 68° | 79° | — | — |
| 1978 | 93° | 73° | 83° | — | — |
| 1977 | 92° | 73° | 82° | — | — |
| 1976 | 93° | 67° | 80° | 0.23" | — |
| 1975 | 91° | 77° | 84° | — | — |
| 1974 | 90° | 73° | 81° | 0.08" | — |
| 1973 | 93° | 75° | 84° | — | — |
| 1972 | 91° | 69° | 80° | — | — |
| 1971 | 98° | 72° | 85° | — | — |
55 years of data from RICHARDSON