Weather on August 22
Boulder, CO
55 Years of Data
Avg High
86°F
Avg Low
57°F
Warmest
2020
84°F avg
Coldest
1987
60°F avg
About This Date
August 22nd in Boulder, CO typically brings warm summer weather, with average highs around 86°F and lows near 57°F — a 29°F daily swing. Over 55 years of records, the warmest August 22nd was in 2020 (84°F average), while the coldest was 1987 (60°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 36% of August 22nd dates historically, with the wettest August 22nd recording 1.52" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for August 22nd in Boulder, CO? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 63° | 71° | — | — |
| 2024 | 86° | 64° | 75° | — | — |
| 2023 | 95° | 64° | 80° | — | — |
| 2022 | 84° | 59° | 72° | 0.2" | — |
| 2021 | 90° | 54° | 72° | — | — |
| 2020warmest | 97° | 72° | 84° | — | — |
| 2019 | 88° | 59° | 73° | — | — |
| 2018 | 79° | 55° | 67° | — | — |
| 2017 | 81° | 52° | 66° | — | — |
| 2016 | 90° | 55° | 72° | — | — |
| 2015 | 90° | 64° | 77° | — | — |
| 2014 | 71° | 58° | 64° | 0.23" | — |
| 2013 | 81° | 58° | 69° | 0.08" | — |
| 2012 | 91° | 59° | 75° | — | — |
| 2011 | 94° | 57° | 75° | — | — |
| 2010 | 94° | 58° | 76° | — | — |
| 2009 | 94° | 53° | 73° | — | — |
| 2008 | 89° | 62° | 76° | — | — |
| 2007 | 92° | 58° | 75° | — | — |
| 2006 | 91° | 55° | 73° | — | — |
| 2005 | 82° | 53° | 68° | — | — |
| 2004 | 81° | 54° | 67° | 0.05" | — |
| 2003 | 90° | 59° | 74° | — | — |
| 2002 | 79° | 54° | 66° | 0.03" | — |
| 2001 | 84° | 58° | 71° | — | — |
| 2000 | 88° | 54° | 71° | — | — |
| 1999 | 84° | 55° | 70° | — | — |
| 1998 | 92° | 55° | 73° | 0.1" | — |
| 1997 | 85° | 57° | 71° | — | — |
| 1996 | 76° | 56° | 66° | — | — |
| 1995 | 89° | 61° | 75° | — | — |
| 1994 | 87° | 54° | 70° | 0.08" | — |
| 1993 | 85° | 52° | 68° | — | — |
| 1992 | 88° | 58° | 73° | 0.2" | — |
| 1991 | 91° | 56° | 73° | — | — |
| 1990 | 80° | 59° | 70° | 0.1" | — |
| 1989 | 89° | 53° | 71° | — | — |
| 1988 | 84° | 60° | 72° | — | — |
| 1987coldest | 65° | 55° | 60° | 1.22" | — |
| 1986 | 81° | 61° | 71° | 0.33" | — |
| 1985 | 92° | 60° | 76° | — | — |
| 1984 | 77° | 56° | 66° | 1.52" | — |
| 1983 | 86° | 60° | 73° | 0.79" | — |
| 1982 | 81° | 59° | 70° | 0.08" | — |
| 1981 | 82° | 56° | 69° | 0.33" | — |
| 1980 | 91° | 52° | 71° | — | — |
| 1979 | 75° | 55° | 65° | 0.41" | — |
| 1978 | 86° | 61° | 73° | — | — |
| 1977 | 87° | 56° | 71° | 0.05" | — |
| 1976 | 89° | 59° | 74° | — | — |
| 1975 | 84° | 54° | 69° | 0.2" | — |
| 1974 | 82° | 49° | 65° | — | — |
| 1973 | 86° | 58° | 72° | 0.03" | — |
| 1972 | 79° | 48° | 63° | 0.03" | — |
| 1971 | 93° | 62° | 78° | — | — |
55 years of data from BOULDER MUNI AP