Weather on June 27
Boulder, CO
55 Years of Data
Avg High
87°F
Avg Low
56°F
Warmest
2012
83°F avg
Coldest
1983
53°F avg
About This Date
June 27th 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 27th was in 2012 (83°F average), while the coldest was 1983 (53°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 16% of June 27th dates historically, with the wettest June 27th recording 1.78" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for June 27th in Boulder, CO? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 57° | 74° | — | — |
| 2024 | 91° | 63° | 77° | — | — |
| 2023 | 91° | 59° | 75° | — | — |
| 2022 | 86° | 52° | 69° | — | — |
| 2021 | 70° | 55° | 62° | 0.76" | — |
| 2020 | 90° | 55° | 72° | — | — |
| 2019 | 90° | 55° | 72° | — | — |
| 2018 | 99° | 66° | 82° | — | — |
| 2017 | 95° | 52° | 73° | — | — |
| 2016 | 90° | 54° | 72° | — | — |
| 2015 | 88° | 53° | 70° | — | — |
| 2014 | 79° | 55° | 67° | — | — |
| 2013 | 97° | 64° | 80° | — | — |
| 2012warmest | 97° | 69° | 83° | 0.2" | — |
| 2011 | 89° | 56° | 72° | — | — |
| 2010 | 79° | 52° | 65° | — | — |
| 2009 | 84° | 54° | 69° | — | — |
| 2008 | 87° | 58° | 72° | — | — |
| 2007 | 76° | 54° | 65° | — | — |
| 2006 | 86° | 49° | 67° | — | — |
| 2005 | 89° | 51° | 70° | — | — |
| 2004 | 70° | 47° | 58° | 1.78" | — |
| 2003 | 83° | 47° | 65° | — | — |
| 2002 | 94° | 57° | 75° | — | — |
| 2001 | 87° | 57° | 72° | — | — |
| 2000 | 73° | 49° | 61° | 0.25" | — |
| 1999 | 84° | 59° | 72° | 0.08" | — |
| 1998 | 92° | 54° | 73° | — | — |
| 1997 | 89° | 58° | 73° | — | — |
| 1996 | 82° | 61° | 71° | 0.03" | — |
| 1995 | 87° | 49° | 68° | 0.03" | — |
| 1994 | 91° | 66° | 79° | — | — |
| 1993 | 87° | 54° | 70° | — | — |
| 1992 | 75° | 53° | 64° | — | — |
| 1991 | 85° | 58° | 71° | — | — |
| 1990 | 100° | 59° | 80° | — | — |
| 1989 | 88° | 49° | 68° | — | — |
| 1988 | 87° | 60° | 74° | — | — |
| 1987 | 92° | 59° | 75° | — | — |
| 1986 | 91° | 56° | 73° | — | — |
| 1985 | 76° | 41° | 58° | — | — |
| 1984 | 90° | 51° | 70° | — | — |
| 1983coldest | 56° | 51° | 53° | 1.6" | — |
| 1982 | 82° | 47° | 64° | — | — |
| 1981 | 89° | 58° | 73° | 0.23" | — |
| 1980 | 93° | 63° | 78° | — | — |
| 1979 | 93° | 59° | 76° | — | — |
| 1978 | 82° | 57° | 70° | — | — |
| 1977 | 95° | 64° | 80° | — | — |
| 1976 | 89° | 46° | 68° | — | — |
| 1975 | 89° | 48° | 69° | — | — |
| 1974 | 91° | 65° | 78° | — | — |
| 1973 | 89° | 58° | 73° | — | — |
| 1972 | 85° | 52° | 68° | — | — |
| 1971 | 94° | 66° | 80° | — | — |
55 years of data from BOULDER MUNI AP