Weather on May 6
Boulder, CO
55 Years of Data
Avg High
69°F
Avg Low
42°F
Warmest
2004
72°F avg
Coldest
1978
35°F avg
About This Date
May 6th in Boulder, CO typically brings mild spring weather, with average highs around 69°F and lows near 42°F — a 27°F daily swing. Over 55 years of records, the warmest May 6th was in 2004 (72°F average), while the coldest was 1978 (35°F) — a 37°F range across recorded history. Precipitation has occurred on 29% of recorded May 6th dates, with snow falling 2% of the time (heaviest snowfall: 14"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 6th in Boulder, CO? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 50° | 43° | 46° | — | — |
| 2024 | 59° | 45° | 52° | — | — |
| 2023 | 70° | 39° | 54° | — | — |
| 2022 | 82° | 50° | 66° | — | — |
| 2021 | 68° | 39° | 54° | — | — |
| 2020 | 64° | 41° | 53° | — | — |
| 2019 | 64° | 45° | 54° | — | — |
| 2018 | 75° | 48° | 62° | — | — |
| 2017 | 85° | 44° | 64° | — | — |
| 2016 | 78° | 47° | 62° | 0.13" | — |
| 2015 | 65° | 46° | 55° | 0.13" | — |
| 2014 | 74° | 49° | 61° | — | — |
| 2013 | 65° | 36° | 50° | — | — |
| 2012 | 76° | 41° | 58° | — | — |
| 2011 | 79° | 46° | 62° | — | — |
| 2010 | 60° | 34° | 47° | 0.41" | — |
| 2009 | 75° | 42° | 59° | — | — |
| 2008 | 76° | 41° | 58° | — | — |
| 2007 | 56° | 32° | 44° | 1.6" | — |
| 2006 | 67° | 35° | 51° | — | — |
| 2005 | 72° | 45° | 58° | 0.05" | — |
| 2004warmest | 87° | 57° | 72° | — | — |
| 2003 | 65° | 37° | 51° | — | — |
| 2002 | 84° | 45° | 64° | — | — |
| 2001 | 60° | 39° | 50° | 0.03" | — |
| 2000 | 79° | 53° | 66° | — | — |
| 1999 | 58° | 27° | 42° | — | — |
| 1998 | 65° | 39° | 52° | 0.03" | — |
| 1997 | 79° | 45° | 62° | — | — |
| 1996 | 72° | 40° | 56° | — | — |
| 1995 | 65° | 36° | 50° | — | — |
| 1994 | 79° | 55° | 67° | — | — |
| 1993 | 66° | 38° | 52° | 0.51" | — |
| 1992 | 79° | 42° | 60° | — | — |
| 1991 | 65° | 37° | 51° | — | — |
| 1990 | 79° | 36° | 57° | — | — |
| 1989 | 77° | 38° | 57° | — | — |
| 1988 | 74° | 50° | 62° | — | — |
| 1987 | 71° | 47° | 59° | 0.03" | — |
| 1986 | 68° | 39° | 54° | — | — |
| 1985 | 68° | 43° | 55° | 0.1" | — |
| 1984 | 63° | 38° | 50° | — | — |
| 1983 | 67° | 44° | 55° | — | — |
| 1982 | 59° | 28° | 44° | — | — |
| 1981 | 66° | 45° | 55° | 0.15" | — |
| 1980 | 69° | 46° | 58° | 0.05" | — |
| 1979 | 79° | 46° | 62° | — | — |
| 1978coldest | 41° | 29° | 35° | 5.21" | 14" |
| 1977 | 73° | 43° | 58° | — | — |
| 1976 | 62° | 40° | 51° | 0.38" | — |
| 1975 | 58° | 34° | 46° | — | — |
| 1974 | 77° | 43° | 60° | — | — |
| 1973 | 68° | 39° | 54° | 5.69" | — |
| 1972 | 55° | 40° | 47° | 1.19" | — |
| 1971 | 52° | 42° | 47° | — | — |
55 years of data from BOULDER MUNI AP