Weather on June 15
Denver, CO
55 Years of Data
Avg High
85°F
Avg Low
52°F
Warmest
2018
80°F avg
Coldest
1999
55°F avg
About This Date
June 15th in Denver, CO typically brings warm summer weather, with average highs around 85°F and lows near 52°F — a 33°F daily swing. Over 55 years of records, the warmest June 15th was in 2018 (80°F average), while the coldest was 1999 (55°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 13% of June 15th dates historically, with the wettest June 15th recording 1.75" of rain. The last decade has been 8.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 8.5°F warmer on this date compared to 20-30 years ago.
Planning for June 15th in Denver, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 54° | 75° | — | — |
| 2024 | 85° | 58° | 71° | — | — |
| 2023 | 83° | 53° | 68° | — | — |
| 2022 | 88° | 53° | 70° | — | — |
| 2021 | 99° | 60° | 79° | — | — |
| 2020 | 95° | 52° | 73° | — | — |
| 2019 | 88° | 56° | 72° | — | — |
| 2018warmest | 99° | 61° | 80° | — | — |
| 2017 | 89° | 53° | 71° | — | — |
| 2016 | 86° | 58° | 72° | — | — |
| 2015 | 87° | 56° | 71° | — | — |
| 2014 | 82° | 47° | 64° | 0.15" | — |
| 2013 | 88° | 53° | 70° | — | — |
| 2012 | 86° | 63° | 74° | — | — |
| 2011 | 85° | 49° | 67° | — | — |
| 2010 | 67° | 47° | 57° | — | — |
| 2009 | 78° | 50° | 64° | 1.75" | — |
| 2008 | 94° | 53° | 73° | — | — |
| 2007 | 86° | 53° | 70° | — | — |
| 2006 | 100° | 53° | 77° | — | — |
| 2005 | 79° | 50° | 64° | — | — |
| 2004 | 93° | 55° | 74° | 0.03" | — |
| 2003 | 93° | 52° | 72° | — | — |
| 2002 | 87° | 52° | 69° | — | — |
| 2001 | 84° | 49° | 66° | — | — |
| 2000 | 91° | 51° | 71° | — | — |
| 1999coldest | 62° | 49° | 55° | 0.86" | — |
| 1998 | 71° | 44° | 58° | — | — |
| 1997 | 76° | 47° | 61° | — | — |
| 1996 | 59° | 54° | 56° | 1.63" | — |
| 1995 | 85° | 54° | 69° | 0.18" | — |
| 1994 | 87° | 50° | 69° | — | — |
| 1993 | 97° | 51° | 74° | — | — |
| 1992 | 77° | 54° | 65° | — | — |
| 1991 | 74° | 50° | 62° | — | — |
| 1990 | 85° | 60° | 72° | — | — |
| 1989 | 82° | 45° | 63° | — | — |
| 1988 | 78° | 48° | 63° | — | — |
| 1987 | 88° | 30° | 59° | — | — |
| 1986 | 91° | 53° | 72° | — | — |
| 1985 | 90° | 53° | 71° | — | — |
| 1984 | 84° | 53° | 69° | — | — |
| 1983 | 77° | 45° | 61° | — | — |
| 1982 | 68° | 50° | 59° | — | — |
| 1981 | 70° | 44° | 57° | 0.08" | — |
| 1980 | 89° | 51° | 70° | — | — |
| 1979 | 86° | 54° | 70° | — | — |
| 1978 | 95° | 55° | 75° | — | — |
| 1977 | 95° | 51° | 73° | — | — |
| 1976 | 77° | 43° | 60° | — | — |
| 1975 | 87° | 46° | 67° | — | — |
| 1974 | 87° | 57° | 72° | — | — |
| 1973 | 82° | 48° | 65° | — | — |
| 1972 | 82° | 52° | 67° | — | — |
| 1971 | 88° | 54° | 71° | — | — |
55 years of data from NORTHGLENN