Weather on June 26
Boulder, CO
55 Years of Data
Avg High
85°F
Avg Low
55°F
Warmest
2012
84°F avg
Coldest
1985
55°F avg
About This Date
June 26th in Boulder, CO typically brings warm summer weather, with average highs around 85°F and lows near 55°F — a 30°F daily swing. Over 55 years of records, the warmest June 26th was in 2012 (84°F average), while the coldest was 1985 (55°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 33% of June 26th dates historically, with the wettest June 26th recording 2.95" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for June 26th in Boulder, CO? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 52° | 70° | — | — |
| 2024 | 86° | 61° | 73° | — | — |
| 2023 | 82° | 54° | 68° | — | — |
| 2022 | 64° | 55° | 60° | — | — |
| 2021 | 68° | 54° | 61° | 0.71" | — |
| 2020 | 79° | 57° | 68° | — | — |
| 2019 | 88° | 54° | 71° | — | — |
| 2018 | 97° | 55° | 76° | — | — |
| 2017 | 86° | 49° | 67° | — | — |
| 2016 | 89° | 53° | 71° | — | — |
| 2015 | 80° | 53° | 67° | — | — |
| 2014 | 89° | 52° | 70° | — | — |
| 2013 | 96° | 58° | 77° | — | — |
| 2012warmest | 98° | 69° | 84° | — | — |
| 2011 | 92° | 53° | 72° | — | — |
| 2010 | 88° | 62° | 75° | 0.28" | — |
| 2009 | 81° | 56° | 68° | 0.43" | — |
| 2008 | 90° | 56° | 73° | — | — |
| 2007 | 90° | 61° | 75° | — | — |
| 2006 | 80° | 47° | 63° | — | — |
| 2005 | 83° | 60° | 71° | 0.13" | — |
| 2004 | 73° | 49° | 61° | 0.69" | — |
| 2003 | 74° | 42° | 58° | — | — |
| 2002 | 91° | 54° | 72° | — | — |
| 2001 | 88° | 60° | 74° | 0.03" | — |
| 2000 | 59° | 50° | 55° | 2.16" | — |
| 1999 | 88° | 54° | 71° | — | — |
| 1998 | 93° | 60° | 77° | — | — |
| 1997 | 84° | 48° | 66° | 0.64" | — |
| 1996 | 86° | 53° | 70° | 0.74" | — |
| 1995 | 81° | 47° | 64° | 0.03" | — |
| 1994 | 101° | 56° | 78° | — | — |
| 1993 | 88° | 51° | 69° | — | — |
| 1992 | 70° | 49° | 59° | 0.23" | — |
| 1991 | 91° | 57° | 74° | — | — |
| 1990 | 91° | 60° | 76° | — | — |
| 1989 | 79° | 55° | 67° | — | — |
| 1988 | 82° | 56° | 69° | 0.05" | — |
| 1987 | 85° | 53° | 69° | — | — |
| 1986 | 82° | 62° | 72° | 0.05" | — |
| 1985coldest | 66° | 44° | 55° | 2.95" | — |
| 1984 | 87° | 60° | 74° | 0.03" | — |
| 1983 | 65° | 51° | 58° | 1.12" | — |
| 1982 | 74° | 48° | 61° | — | — |
| 1981 | 91° | 54° | 72° | 1.88" | — |
| 1980 | 91° | 62° | 77° | — | — |
| 1979 | 95° | 55° | 75° | — | — |
| 1978 | 86° | 54° | 70° | — | — |
| 1977 | 93° | 55° | 74° | 0.3" | — |
| 1976 | 82° | 52° | 67° | — | — |
| 1975 | 81° | 53° | 67° | — | — |
| 1974 | 92° | 60° | 76° | — | — |
| 1973 | 93° | 62° | 78° | — | — |
| 1972 | 83° | 51° | 67° | — | — |
| 1971 | 96° | 66° | 81° | — | — |
55 years of data from BOULDER MUNI AP