Weather on June 17
Boulder, CO
55 Years of Data
Avg High
82°F
Avg Low
53°F
Warmest
2021
82°F avg
Coldest
2000
51°F avg
About This Date
June 17th in Boulder, CO typically brings warm summer weather, with average highs around 82°F and lows near 53°F — a 29°F daily swing. Over 55 years of records, the warmest June 17th was in 2021 (82°F average), while the coldest was 2000 (51°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 25% of June 17th dates historically, with the wettest June 17th recording 4.42" of rain. The last decade has been 6.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.8°F warmer on this date compared to 20-30 years ago.
Planning for June 17th in Boulder, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 52° | 60° | — | — |
| 2024 | 88° | 55° | 71° | — | — |
| 2023 | 73° | 46° | 60° | — | — |
| 2022 | 91° | 63° | 77° | — | — |
| 2021warmest | 100° | 64° | 82° | — | — |
| 2020 | 91° | 59° | 75° | — | — |
| 2019 | 72° | 54° | 63° | — | — |
| 2018 | 68° | 55° | 62° | — | — |
| 2017 | 90° | 63° | 76° | — | — |
| 2016 | 89° | 56° | 72° | — | — |
| 2015 | 81° | 52° | 66° | — | — |
| 2014 | 86° | 49° | 67° | — | — |
| 2013 | 80° | 51° | 66° | — | — |
| 2012 | 97° | 53° | 75° | — | — |
| 2011 | 85° | 53° | 69° | 0.03" | — |
| 2010 | 85° | 55° | 70° | — | — |
| 2009 | 78° | 50° | 64° | — | — |
| 2008 | 89° | 50° | 70° | — | — |
| 2007 | 96° | 54° | 75° | — | — |
| 2006 | 87° | 53° | 70° | — | — |
| 2005 | 86° | 53° | 70° | — | — |
| 2004 | 54° | 49° | 51° | 0.48" | — |
| 2003 | 76° | 54° | 65° | 0.03" | — |
| 2002 | 96° | 54° | 75° | — | — |
| 2001 | 93° | 49° | 71° | — | — |
| 2000coldest | 62° | 40° | 51° | 0.79" | — |
| 1999 | 73° | 46° | 60° | 0.13" | — |
| 1998 | 66° | 49° | 57° | 0.05" | — |
| 1997 | 77° | 52° | 64° | 0.03" | — |
| 1996 | 85° | 47° | 66° | — | — |
| 1995 | 80° | 55° | 68° | 0.1" | — |
| 1994 | 82° | 51° | 67° | — | — |
| 1993 | 78° | 51° | 65° | 1.8" | — |
| 1992 | 79° | 53° | 66° | — | — |
| 1991 | 87° | 50° | 69° | — | — |
| 1990 | 83° | 50° | 66° | — | — |
| 1989 | 85° | 57° | 71° | — | — |
| 1988 | 90° | 59° | 74° | — | — |
| 1987 | 88° | 53° | 70° | — | — |
| 1986 | 87° | 58° | 72° | 0.13" | — |
| 1985 | 74° | 56° | 65° | — | — |
| 1984 | 79° | 50° | 64° | — | — |
| 1983 | 78° | 49° | 63° | — | — |
| 1982 | 74° | 54° | 64° | 0.18" | — |
| 1981 | 89° | 46° | 68° | — | — |
| 1980 | 88° | 53° | 70° | — | — |
| 1979 | 82° | 58° | 70° | — | — |
| 1978 | 80° | 52° | 66° | — | — |
| 1977 | 82° | 55° | 69° | — | — |
| 1976 | 83° | 47° | 65° | 0.56" | — |
| 1975 | 68° | 49° | 58° | — | — |
| 1974 | 87° | 57° | 72° | 0.1" | — |
| 1973 | 84° | 47° | 65° | — | — |
| 1972 | 78° | 50° | 64° | 4.42" | — |
| 1971 | 94° | 58° | 76° | — | — |
55 years of data from BOULDER MUNI AP