Weather on May 21
Killeen, TX
55 Years of Data
Avg High
86°F
Avg Low
65°F
Warmest
1996
85°F avg
Coldest
2015
66°F avg
About This Date
May 21st in Killeen, TX typically brings warm spring weather, with average highs around 86°F and lows near 65°F. Over 53 years of records, the warmest May 21st was in 1996 (85°F average), while the coldest was 2015 (66°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 32% of May 21st dates historically, with the wettest May 21st recording 2.51" 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 May 21st in Killeen, TX? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 62° | 77° | — | — |
| 2024 | 92° | 75° | 83° | — | — |
| 2023 | 76° | 62° | 69° | — | — |
| 2022 | 94° | 65° | 79° | — | — |
| 2021 | 85° | 69° | 77° | — | — |
| 2020 | 90° | 71° | 80° | — | — |
| 2019 | 87° | 61° | 74° | — | — |
| 2018 | 86° | 65° | 75° | — | — |
| 2017 | 74° | 59° | 66° | 1.47" | — |
| 2016 | 84° | 67° | 75° | — | — |
| 2015coldest | 72° | 61° | 66° | 0.13" | — |
| 2014 | 89° | 71° | 80° | — | — |
| 2013 | 86° | 65° | 75° | 1.57" | — |
| 2012 | 94° | 69° | 81° | 0.38" | — |
| 2011 | 91° | 65° | 78° | 0.13" | — |
| 2010 | 91° | 71° | 81° | — | — |
| 2009 | 85° | 73° | 79° | — | — |
| 2008 | 90° | 69° | 79° | — | — |
| 2007 | 79° | 68° | 73° | 0.2" | — |
| 2004 | 90° | 69° | 79° | — | — |
| 2003 | 77° | 57° | 67° | — | — |
| 2002 | 82° | 52° | 67° | — | — |
| 2001 | 92° | 65° | 78° | 0.03" | — |
| 2000 | 91° | 67° | 79° | — | — |
| 1999 | 85° | 66° | 75° | — | — |
| 1998 | 96° | 63° | 79° | — | — |
| 1997 | 73° | 63° | 68° | — | — |
| 1996warmest | 98° | 72° | 85° | — | — |
| 1995 | 81° | 60° | 70° | — | — |
| 1994 | 79° | 57° | 68° | — | — |
| 1993 | 85° | 61° | 73° | — | — |
| 1992 | 80° | 67° | 73° | 0.38" | — |
| 1991 | 84° | 65° | 74° | — | — |
| 1990 | 86° | 71° | 79° | 0.08" | — |
| 1989 | 87° | 60° | 74° | — | — |
| 1988 | 90° | 58° | 74° | 1.37" | — |
| 1987 | 88° | 65° | 76° | — | — |
| 1986 | 82° | 53° | 68° | — | — |
| 1985 | 87° | 54° | 70° | 1.83" | — |
| 1984 | 83° | 63° | 73° | — | — |
| 1983 | 89° | 57° | 73° | 0.1" | — |
| 1982 | 88° | 71° | 79° | — | — |
| 1981 | 89° | 61° | 75° | — | — |
| 1980 | 86° | 62° | 74° | — | — |
| 1979 | 83° | 68° | 75° | 0.25" | — |
| 1978 | 82° | 68° | 75° | 1.7" | — |
| 1977 | 82° | 66° | 74° | 2.51" | — |
| 1976 | 83° | 63° | 73° | 0.05" | — |
| 1975 | 89° | 74° | 81° | 0.18" | — |
| 1974 | 90° | 71° | 80° | — | — |
| 1973 | 93° | 71° | 82° | — | — |
| 1972 | 87° | 56° | 71° | — | — |
| 1971 | 83° | 67° | 75° | — | — |
53 years of data from FT HOOD