Weather on July 1
Boulder, CO
55 Years of Data
Avg High
87°F
Avg Low
56°F
Warmest
2002
82°F avg
Coldest
1995
59°F avg
About This Date
July 1st 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 July 1st was in 2002 (82°F average), while the coldest was 1995 (59°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 22% of July 1st dates historically, with the wettest July 1st recording 1.52" of rain. The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
Planning for July 1st in Boulder, CO? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 59° | 75° | — | — |
| 2024 | 88° | 64° | 76° | — | — |
| 2023 | 81° | 54° | 67° | — | — |
| 2022 | 86° | 55° | 71° | — | — |
| 2021 | 79° | 59° | 69° | 1.52" | — |
| 2020 | 86° | 55° | 71° | — | — |
| 2019 | 84° | 61° | 72° | — | — |
| 2018 | 86° | 52° | 69° | — | — |
| 2017 | 87° | 49° | 68° | — | — |
| 2016 | 76° | 57° | 66° | 0.18" | — |
| 2015 | 88° | 60° | 74° | 0.1" | — |
| 2014 | 84° | 52° | 68° | — | — |
| 2013 | 81° | 52° | 66° | — | — |
| 2012 | 100° | 60° | 80° | — | — |
| 2011 | 86° | 54° | 70° | 0.08" | — |
| 2010 | 89° | 57° | 73° | 0.03" | — |
| 2009 | 89° | 54° | 71° | — | — |
| 2008 | 89° | 54° | 71° | — | — |
| 2007 | 96° | 57° | 77° | — | — |
| 2006 | 85° | 58° | 71° | 0.08" | — |
| 2005 | 89° | 52° | 70° | — | — |
| 2004 | 80° | 50° | 65° | — | — |
| 2003 | 93° | 58° | 75° | — | — |
| 2002warmest | 101° | 63° | 82° | — | — |
| 2001 | 94° | 63° | 78° | — | — |
| 2000 | 90° | 57° | 73° | — | — |
| 1999 | 88° | 52° | 70° | — | — |
| 1998 | 85° | 59° | 72° | — | — |
| 1997 | 89° | 59° | 74° | — | — |
| 1996 | 90° | 55° | 72° | — | — |
| 1995coldest | 71° | 46° | 59° | — | — |
| 1994 | 96° | 59° | 78° | — | — |
| 1993 | 87° | 54° | 70° | — | — |
| 1992 | 85° | 52° | 68° | 0.03" | — |
| 1991 | 85° | 53° | 69° | — | — |
| 1990 | 97° | 62° | 79° | — | — |
| 1989 | 97° | 52° | 74° | — | — |
| 1988 | 89° | 51° | 70° | — | — |
| 1987 | 86° | 51° | 69° | 0.05" | — |
| 1986 | 87° | 53° | 70° | — | — |
| 1985 | 80° | 53° | 67° | — | — |
| 1984 | 82° | 52° | 67° | 0.18" | — |
| 1983 | 89° | 56° | 72° | — | — |
| 1982 | 78° | 56° | 67° | 0.58" | — |
| 1981 | 86° | 56° | 71° | — | — |
| 1980 | 80° | 58° | 69° | 0.25" | — |
| 1979 | 88° | 60° | 74° | — | — |
| 1978 | 88° | 56° | 72° | — | — |
| 1977 | 90° | 52° | 71° | — | — |
| 1976 | 85° | 55° | 70° | — | — |
| 1975 | 95° | 60° | 78° | — | — |
| 1974 | 95° | 59° | 77° | 0.05" | — |
| 1973 | 96° | 59° | 78° | — | — |
| 1972 | 86° | 58° | 72° | — | — |
| 1971 | 78° | 49° | 63° | — | — |
55 years of data from BOULDER MUNI AP