Weather on August 18
Mc Kinney, TX
55 Years of Data
Avg High
95°F
Avg Low
72°F
Warmest
2006
92°F avg
Coldest
1992
71°F avg
About This Date
August 18th in Mc Kinney, TX typically brings hot summer weather, with average highs around 95°F and lows near 72°F. Over 55 years of records, the warmest August 18th was in 2006 (92°F average), while the coldest was 1992 (71°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 25% of August 18th dates historically, with the wettest August 18th recording 3.68" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 18th in Mc Kinney, TX? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 101° | 75° | 88° | — | — |
| 2024 | 105° | 76° | 90° | — | — |
| 2023 | 108° | 75° | 91° | — | — |
| 2022 | 80° | 72° | 76° | 3.68" | — |
| 2021 | 81° | 73° | 77° | 3.48" | — |
| 2020 | 93° | 70° | 81° | — | — |
| 2019 | 98° | 79° | 88° | — | — |
| 2018 | 100° | 73° | 87° | 0.36" | — |
| 2017 | 90° | 74° | 82° | — | — |
| 2016 | 89° | 73° | 81° | 0.08" | — |
| 2015 | 97° | 76° | 86° | — | — |
| 2014 | 93° | 71° | 82° | — | — |
| 2013 | 93° | 62° | 78° | — | — |
| 2012 | 84° | 68° | 76° | 2.77" | — |
| 2011 | 107° | 75° | 91° | — | — |
| 2010 | 93° | 77° | 85° | 0.51" | — |
| 2009 | 95° | 73° | 84° | — | — |
| 2008 | 77° | 72° | 74° | 1.09" | — |
| 2007 | 91° | 74° | 82° | 0.61" | — |
| 2006warmest | 105° | 78° | 92° | — | — |
| 2005 | 98° | 75° | 87° | — | — |
| 2004 | 93° | 63° | 78° | — | — |
| 2003 | 99° | 74° | 86° | — | — |
| 2002 | 95° | 72° | 83° | — | — |
| 2001 | 93° | 73° | 83° | 0.91" | — |
| 2000 | 105° | 74° | 89° | — | — |
| 1999 | 101° | 70° | 85° | — | — |
| 1998 | 96° | 74° | 85° | — | — |
| 1997 | 94° | — | — | — | — |
| 1996 | 90° | — | — | — | — |
| 1995 | 99° | 71° | 85° | — | — |
| 1994 | 98° | 74° | 86° | — | — |
| 1993 | 101° | 72° | 86° | — | — |
| 1992coldest | 82° | 61° | 71° | — | — |
| 1991 | 96° | 73° | 85° | — | — |
| 1990 | 96° | 72° | 84° | — | — |
| 1989 | 92° | 53° | 72° | 0.25" | — |
| 1988 | 92° | 71° | 81° | — | — |
| 1987 | 101° | 77° | 89° | — | — |
| 1986 | 102° | 75° | 89° | — | — |
| 1985 | 101° | 76° | 88° | — | — |
| 1984 | 101° | 75° | 88° | — | — |
| 1983 | 96° | 69° | 83° | — | — |
| 1982 | 92° | 73° | 82° | 1.57" | — |
| 1981 | 84° | 69° | 77° | 0.79" | — |
| 1980 | 99° | 76° | 87° | — | — |
| 1979 | 93° | 71° | 82° | — | — |
| 1978 | 102° | 76° | 89° | — | — |
| 1977 | 96° | 73° | 85° | 2.16" | — |
| 1976 | 93° | 71° | 82° | — | — |
| 1975 | 94° | 72° | 83° | 0.64" | — |
| 1974 | 97° | 72° | 84° | — | — |
| 1973 | 92° | 67° | 79° | — | — |
| 1972 | 96° | 70° | 83° | — | — |
| 1971 | 90° | 69° | 79° | — | — |
55 years of data from MCKINNEY MUNI AP