Weather on July 21
Aurora, CO
55 Years of Data
Avg High
89°F
Avg Low
60°F
Warmest
2005
85°F avg
Coldest
1990
60°F avg
About This Date
July 21st in Aurora, CO typically brings warm summer weather, with average highs around 89°F and lows near 60°F — a 29°F daily swing. Over 55 years of records, the warmest July 21st was in 2005 (85°F average), while the coldest was 1990 (60°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 36% of July 21st dates historically, with the wettest July 21st recording 3.2" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for July 21st in Aurora, CO? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 63° | 77° | — | — |
| 2024 | 84° | 58° | 71° | 1.17" | — |
| 2023 | 78° | 54° | 66° | 0.03" | — |
| 2022 | 94° | 61° | 77° | 1.63" | — |
| 2021 | 92° | 65° | 78° | — | — |
| 2020 | 93° | 62° | 78° | — | — |
| 2019 | 87° | 59° | 73° | 0.25" | — |
| 2018 | 96° | 66° | 81° | — | — |
| 2017 | 98° | 63° | 80° | — | — |
| 2016 | 95° | 66° | 81° | — | — |
| 2015 | 83° | 58° | 70° | — | — |
| 2014 | 95° | 65° | 80° | — | — |
| 2013 | 91° | 59° | 75° | — | — |
| 2012 | 98° | 63° | 80° | — | — |
| 2011 | 90° | 63° | 76° | 0.08" | — |
| 2010 | 79° | 56° | 67° | 0.08" | — |
| 2009 | 87° | 58° | 72° | 1.3" | — |
| 2008 | 98° | 63° | 80° | — | — |
| 2007 | 90° | 64° | 77° | — | — |
| 2006 | 89° | 62° | 76° | 0.13" | — |
| 2005warmest | 104° | 66° | 85° | — | — |
| 2004 | 92° | 63° | 77° | — | — |
| 2003 | 92° | 65° | 78° | — | — |
| 2002 | 96° | 68° | 82° | — | — |
| 2001 | 92° | 64° | 78° | — | — |
| 2000 | 86° | 59° | 73° | — | — |
| 1999 | 86° | 60° | 73° | — | — |
| 1998 | 91° | 65° | 78° | 0.05" | — |
| 1997 | 91° | 60° | 76° | — | — |
| 1996 | 92° | 62° | 77° | — | — |
| 1995 | 88° | 57° | 72° | 0.05" | — |
| 1994 | 86° | 55° | 71° | — | — |
| 1993 | 94° | 58° | 76° | — | — |
| 1992 | 89° | 55° | 72° | 0.03" | — |
| 1991 | 87° | 61° | 74° | — | — |
| 1990coldest | 67° | 53° | 60° | 0.2" | — |
| 1989 | 91° | 60° | 76° | — | — |
| 1988 | 93° | 51° | 72° | — | — |
| 1987 | 95° | 59° | 77° | — | — |
| 1986 | 81° | 54° | 67° | 0.05" | — |
| 1985 | 78° | 60° | 69° | — | — |
| 1984 | 97° | 62° | 79° | — | — |
| 1983 | 86° | 62° | 74° | 2.01" | — |
| 1982 | 97° | 65° | 81° | — | — |
| 1981 | 100° | 59° | 80° | — | — |
| 1980 | 84° | 63° | 73° | 0.13" | — |
| 1979 | 92° | 60° | 76° | — | — |
| 1978 | 76° | 55° | 65° | 0.53" | — |
| 1977 | 67° | 59° | 63° | 0.46" | — |
| 1976 | 82° | 59° | 71° | 0.97" | — |
| 1975 | 87° | 56° | 71° | — | — |
| 1974 | 86° | 60° | 73° | 3.2" | — |
| 1973 | 78° | 53° | 66° | 0.25" | — |
| 1972 | 93° | 53° | 73° | — | — |
| 1971 | 84° | 59° | 72° | — | — |
55 years of data from DENVER-STAPLETON