Weather on August 9
Mc Kinney, TX
55 Years of Data
Avg High
97°F
Avg Low
73°F
Warmest
2011
95°F avg
Coldest
1989
70°F avg
About This Date
August 9th in Mc Kinney, TX typically brings hot summer weather, with average highs around 97°F and lows near 73°F. Over 55 years of records, the warmest August 9th was in 2011 (95°F average), while the coldest was 1989 (70°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 5% of August 9th dates historically, with the wettest August 9th recording 2.31" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for August 9th in Mc Kinney, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 98° | 77° | 88° | — | — |
| 2024 | 91° | 76° | 83° | 0.13" | — |
| 2023 | 104° | 82° | 93° | — | — |
| 2022 | 98° | 75° | 87° | — | — |
| 2021 | 98° | 79° | 88° | — | — |
| 2020 | 97° | 76° | 86° | — | — |
| 2019 | 99° | 78° | 88° | — | — |
| 2018 | 95° | 72° | 83° | 2.31" | — |
| 2017 | 90° | 71° | 80° | — | — |
| 2016 | 99° | 78° | 88° | — | — |
| 2015 | 103° | 77° | 90° | — | — |
| 2014 | 100° | 75° | 88° | — | — |
| 2013 | 103° | 78° | 90° | — | — |
| 2012 | 107° | 72° | 89° | — | — |
| 2011warmest | 107° | 83° | 95° | — | — |
| 2010 | 99° | 77° | 88° | — | — |
| 2009 | 94° | 78° | 86° | — | — |
| 2008 | 101° | 74° | 87° | — | — |
| 2007 | 94° | 70° | 82° | — | — |
| 2006 | 101° | 76° | 88° | — | — |
| 2005 | 89° | 72° | 80° | — | — |
| 2004 | 94° | 70° | 82° | — | — |
| 2003 | 103° | 76° | 89° | — | — |
| 2002 | 92° | 68° | 80° | — | — |
| 2001 | 98° | 73° | 86° | — | — |
| 2000 | 98° | 76° | 87° | — | — |
| 1999 | 104° | 78° | 91° | — | — |
| 1998 | 103° | 76° | 89° | — | — |
| 1997 | 87° | — | — | — | — |
| 1996 | 88° | 74° | 81° | — | — |
| 1995 | 95° | 74° | 84° | — | — |
| 1994 | 87° | 65° | 76° | — | — |
| 1993 | 97° | 72° | 84° | — | — |
| 1992 | 95° | 75° | 85° | — | — |
| 1991 | 98° | 75° | 87° | — | — |
| 1990 | 87° | 62° | 75° | — | — |
| 1989coldest | 82° | 58° | 70° | — | — |
| 1988 | 103° | 78° | 90° | — | — |
| 1987 | 100° | 79° | 89° | — | — |
| 1986 | 98° | 76° | 87° | — | — |
| 1985 | 100° | 76° | 88° | — | — |
| 1984 | 95° | 75° | 85° | — | — |
| 1983 | 97° | 73° | 85° | — | — |
| 1982 | 95° | 70° | 82° | — | — |
| 1981 | 95° | 62° | 79° | — | — |
| 1980 | 101° | 70° | 85° | — | — |
| 1979 | 90° | 67° | 78° | — | — |
| 1978 | 95° | 67° | 81° | — | — |
| 1977 | 98° | 76° | 87° | — | — |
| 1976 | 99° | 74° | 86° | — | — |
| 1975 | 96° | 68° | 82° | — | — |
| 1974 | 95° | 71° | 83° | 0.36" | — |
| 1973 | 94° | 70° | 82° | — | — |
| 1972 | 100° | 70° | 85° | — | — |
| 1971 | 93° | 68° | 81° | — | — |
55 years of data from MCKINNEY MUNI AP