Weather on May 26
Boulder, CO
55 Years of Data
Avg High
73°F
Avg Low
45°F
Warmest
1985
69°F avg
Coldest
1996
43°F avg
About This Date
May 26th in Boulder, CO typically brings pleasant spring weather, with average highs around 73°F and lows near 45°F — a 28°F daily swing. Over 55 years of records, the warmest May 26th was in 1985 (69°F average), while the coldest was 1996 (43°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 31% of May 26th dates historically, with the wettest May 26th recording 3.68" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for May 26th in Boulder, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 46° | 54° | — | — |
| 2024 | 72° | 52° | 62° | — | — |
| 2023 | 68° | 50° | 59° | — | — |
| 2022 | 81° | 45° | 63° | — | — |
| 2021 | 79° | 50° | 64° | — | — |
| 2020 | 77° | 43° | 60° | — | — |
| 2019 | 68° | 46° | 57° | — | — |
| 2018 | 84° | 54° | 69° | — | — |
| 2017 | 67° | 44° | 55° | 0.69" | — |
| 2016 | 68° | 46° | 57° | — | — |
| 2015 | 70° | 41° | 55° | 0.48" | — |
| 2014 | 74° | 48° | 61° | — | — |
| 2013 | 85° | 53° | 69° | — | — |
| 2012 | 86° | 48° | 67° | — | — |
| 2011 | 66° | 41° | 54° | — | — |
| 2010 | 74° | 45° | 59° | — | — |
| 2009 | 56° | 42° | 49° | — | — |
| 2008 | 71° | 47° | 59° | 1.63" | — |
| 2007 | 78° | 41° | 60° | — | — |
| 2006 | 85° | 52° | 68° | — | — |
| 2005 | 66° | 45° | 55° | — | — |
| 2004 | 78° | 40° | 59° | — | — |
| 2003 | 74° | 46° | 60° | 0.03" | — |
| 2002 | 77° | 44° | 61° | — | — |
| 2001 | 74° | 44° | 59° | — | — |
| 2000 | 72° | 49° | 60° | — | — |
| 1999 | 72° | 41° | 56° | — | — |
| 1998 | 77° | 43° | 60° | 0.05" | — |
| 1997 | 65° | 42° | 53° | 0.64" | — |
| 1996coldest | 47° | 39° | 43° | 3.68" | — |
| 1995 | 64° | 35° | 50° | 0.05" | — |
| 1994 | 70° | 43° | 56° | 0.33" | — |
| 1993 | 83° | 48° | 65° | — | — |
| 1992 | 60° | 40° | 50° | 0.43" | — |
| 1991 | 74° | 42° | 58° | 0.25" | — |
| 1990 | 74° | 45° | 59° | — | — |
| 1989 | 64° | 37° | 51° | 0.69" | — |
| 1988 | 83° | 46° | 64° | 0.05" | — |
| 1987 | 70° | 46° | 58° | — | — |
| 1986 | 69° | 41° | 55° | — | — |
| 1985warmest | 82° | 56° | 69° | — | — |
| 1984 | 75° | 47° | 61° | — | — |
| 1983 | 88° | 49° | 68° | — | — |
| 1982 | 75° | 38° | 56° | 0.74" | — |
| 1981 | 74° | 47° | 60° | 0.2" | — |
| 1980 | 74° | 39° | 56° | — | — |
| 1979 | 75° | 48° | 62° | — | — |
| 1978 | 79° | 51° | 65° | 0.28" | — |
| 1977 | 71° | 46° | 59° | — | — |
| 1976 | 65° | 43° | 54° | — | — |
| 1975 | 67° | 35° | 51° | — | — |
| 1974 | 81° | 47° | 64° | — | — |
| 1973 | 72° | 43° | 57° | 0.1" | — |
| 1972 | 79° | 49° | 64° | — | — |
| 1971 | 71° | 43° | 57° | — | — |
55 years of data from BOULDER MUNI AP