Weather on June 28
Boulder, CO
55 Years of Data
Avg High
87°F
Avg Low
56°F
Warmest
2018
80°F avg
Coldest
1983
60°F avg
About This Date
June 28th in Boulder, CO typically brings warm summer weather, with average highs around 87°F and lows near 56°F — a 31°F daily swing. Over 55 years of records, the warmest June 28th was in 2018 (80°F average), while the coldest was 1983 (60°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 15% of June 28th dates historically, with the wettest June 28th recording 0.79" of rain. The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
Planning for June 28th in Boulder, CO? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 59° | 77° | — | — |
| 2024 | 91° | 68° | 80° | — | — |
| 2023 | 82° | 64° | 73° | — | — |
| 2022 | 91° | 54° | 72° | — | — |
| 2021 | 72° | 54° | 63° | — | — |
| 2020 | 88° | 61° | 74° | — | — |
| 2019 | 93° | 59° | 76° | — | — |
| 2018warmest | 99° | 61° | 80° | — | — |
| 2017 | 91° | 55° | 73° | — | — |
| 2016 | 90° | 60° | 75° | 0.69" | — |
| 2015 | 85° | 56° | 70° | — | — |
| 2014 | 84° | 54° | 69° | — | — |
| 2013 | 92° | 57° | 74° | — | — |
| 2012 | 92° | 59° | 75° | 0.23" | — |
| 2011 | 95° | 51° | 73° | — | — |
| 2010 | 87° | 53° | 70° | — | — |
| 2009 | 83° | 52° | 67° | — | — |
| 2008 | 86° | 55° | 71° | — | — |
| 2007 | 80° | 55° | 68° | — | — |
| 2006 | 85° | 56° | 70° | — | — |
| 2005 | 89° | 53° | 71° | — | — |
| 2004 | 76° | 51° | 63° | 0.05" | — |
| 2003 | 85° | 52° | 68° | — | — |
| 2002 | 94° | 57° | 75° | — | — |
| 2001 | 93° | 58° | 75° | — | — |
| 2000 | 68° | 51° | 60° | — | — |
| 1999 | 83° | 48° | 65° | — | — |
| 1998 | 91° | 51° | 71° | — | — |
| 1997 | 89° | 57° | 73° | — | — |
| 1996 | 81° | 58° | 69° | 0.79" | — |
| 1995 | 75° | 54° | 64° | 0.53" | — |
| 1994 | 90° | 54° | 72° | — | — |
| 1993 | 93° | 54° | 73° | — | — |
| 1992 | 82° | 55° | 69° | 0.05" | — |
| 1991 | 87° | 58° | 72° | — | — |
| 1990 | 93° | 64° | 79° | — | — |
| 1989 | 86° | 54° | 70° | — | — |
| 1988 | 86° | 56° | 71° | — | — |
| 1987 | 87° | 55° | 71° | — | — |
| 1986 | 94° | 63° | 78° | — | — |
| 1985 | 84° | 47° | 65° | — | — |
| 1984 | 91° | 59° | 75° | — | — |
| 1983coldest | 71° | 48° | 60° | 0.2" | — |
| 1982 | 93° | 55° | 74° | — | — |
| 1981 | 87° | 58° | 72° | — | — |
| 1980 | 92° | 58° | 75° | — | — |
| 1979 | 88° | 58° | 73° | — | — |
| 1978 | 88° | 55° | 71° | — | — |
| 1977 | 92° | 62° | 77° | — | — |
| 1976 | 87° | 55° | 71° | — | — |
| 1975 | 89° | 53° | 71° | — | — |
| 1974 | 95° | 59° | 77° | — | — |
| 1973 | 87° | 57° | 72° | — | — |
| 1972 | 85° | 52° | 68° | — | — |
| 1971 | 88° | 59° | 73° | 0.03" | — |
55 years of data from BOULDER MUNI AP