Weather on August 30
Boulder, CO
55 Years of Data
Avg High
85°F
Avg Low
54°F
Warmest
1985
78°F avg
Coldest
1992
59°F avg
About This Date
August 30th in Boulder, CO typically brings warm summer weather, with average highs around 85°F and lows near 54°F — a 31°F daily swing. Over 55 years of records, the warmest August 30th was in 1985 (78°F average), while the coldest was 1992 (59°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 16% of August 30th dates historically, with the wettest August 30th recording 4.52" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for August 30th in Boulder, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 55° | 65° | — | — |
| 2024 | 86° | 54° | 70° | — | — |
| 2023 | 95° | 54° | 74° | — | — |
| 2022 | 90° | 59° | 74° | — | — |
| 2021 | 93° | 55° | 74° | — | — |
| 2020 | 90° | 57° | 73° | — | — |
| 2019 | 84° | 55° | 70° | — | — |
| 2018 | 90° | 59° | 74° | — | — |
| 2017 | 89° | 55° | 72° | — | — |
| 2016 | 81° | 51° | 66° | 0.08" | — |
| 2015 | 96° | 54° | 75° | — | — |
| 2014 | 87° | 49° | 68° | — | — |
| 2013 | 91° | 64° | 78° | — | — |
| 2012 | 92° | 64° | 78° | — | — |
| 2011 | 92° | 58° | 75° | — | — |
| 2010 | 82° | 62° | 72° | 0.18" | — |
| 2009 | 71° | 56° | 63° | — | — |
| 2008 | 88° | 48° | 68° | — | — |
| 2007 | 86° | 53° | 70° | — | — |
| 2006 | 90° | 51° | 70° | — | — |
| 2005 | 96° | 59° | 78° | — | — |
| 2004 | 84° | 48° | 66° | — | — |
| 2003 | 68° | 53° | 61° | 4.52" | — |
| 2002 | 87° | 50° | 69° | — | — |
| 2001 | 80° | 53° | 67° | — | — |
| 2000 | 86° | 55° | 71° | 0.3" | — |
| 1999 | 88° | 55° | 71° | — | — |
| 1998 | 93° | 59° | 76° | — | — |
| 1997 | 82° | 56° | 69° | — | — |
| 1996 | 79° | 49° | 64° | — | — |
| 1995 | 87° | 57° | 72° | — | — |
| 1994 | 78° | 52° | 65° | — | — |
| 1993 | 88° | 47° | 67° | — | — |
| 1992coldest | 71° | 47° | 59° | 0.03" | — |
| 1991 | 85° | 55° | 70° | — | — |
| 1990 | 94° | 60° | 77° | 0.33" | — |
| 1989 | 88° | 51° | 69° | — | — |
| 1988 | 88° | 50° | 69° | — | — |
| 1987 | 78° | 50° | 64° | — | — |
| 1986 | 82° | 60° | 71° | — | — |
| 1985warmest | 95° | 60° | 78° | — | — |
| 1984 | 86° | 51° | 69° | — | — |
| 1983 | 90° | 63° | 76° | 0.13" | — |
| 1982 | 87° | 58° | 72° | — | — |
| 1981 | 90° | 53° | 71° | — | — |
| 1980 | 79° | 53° | 66° | 0.23" | — |
| 1979 | 82° | 56° | 69° | — | — |
| 1978 | 77° | 50° | 64° | 0.18" | — |
| 1977 | 85° | 54° | 69° | — | — |
| 1976 | 85° | 55° | 70° | — | — |
| 1975 | 87° | 54° | 70° | — | — |
| 1974 | 80° | 49° | 64° | — | — |
| 1973 | 83° | 54° | 68° | — | — |
| 1972 | 83° | 52° | 67° | — | — |
| 1971 | 82° | 56° | 69° | — | — |
55 years of data from BOULDER MUNI AP