Weather on May 25
Boulder, CO
55 Years of Data
Avg High
72°F
Avg Low
45°F
Warmest
2013
69°F avg
Coldest
1995
46°F avg
About This Date
May 25th in Boulder, CO typically brings pleasant spring weather, with average highs around 72°F and lows near 45°F — a 27°F daily swing. Over 55 years of records, the warmest May 25th was in 2013 (69°F average), while the coldest was 1995 (46°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 35% of May 25th dates historically, with the wettest May 25th recording 4.85" 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 25th in Boulder, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 55° | 50° | 53° | — | — |
| 2024 | 73° | 48° | 61° | — | — |
| 2023 | 72° | 50° | 61° | — | — |
| 2022 | 70° | 37° | 53° | — | — |
| 2021 | 77° | 48° | 63° | — | — |
| 2020 | 63° | 41° | 52° | — | — |
| 2019 | 73° | 45° | 59° | — | — |
| 2018 | 86° | 52° | 69° | — | — |
| 2017 | 74° | 56° | 65° | — | — |
| 2016 | 72° | 42° | 57° | — | — |
| 2015 | 66° | 38° | 52° | 0.08" | — |
| 2014 | 69° | 46° | 58° | 1.02" | — |
| 2013warmest | 87° | 50° | 69° | — | — |
| 2012 | 70° | 45° | 57° | — | — |
| 2011 | 65° | 42° | 53° | — | — |
| 2010 | 71° | 45° | 58° | — | — |
| 2009 | 60° | 45° | 52° | — | — |
| 2008 | 76° | 51° | 63° | — | — |
| 2007 | 79° | 38° | 58° | — | — |
| 2006 | 86° | 50° | 68° | — | — |
| 2005 | 74° | 45° | 59° | — | — |
| 2004 | 59° | 42° | 51° | 0.38" | — |
| 2003 | 70° | 48° | 59° | — | — |
| 2002 | 71° | 39° | 55° | — | — |
| 2001 | 73° | 38° | 55° | — | — |
| 2000 | 75° | 46° | 61° | 0.46" | — |
| 1999 | 64° | 51° | 58° | 0.03" | — |
| 1998 | 71° | 40° | 55° | — | — |
| 1997 | 67° | 48° | 57° | 0.08" | — |
| 1996 | 53° | 44° | 49° | 4.85" | — |
| 1995coldest | 52° | 41° | 46° | 1.85" | — |
| 1994 | 74° | 43° | 58° | 1.07" | — |
| 1993 | 61° | 45° | 53° | 0.46" | — |
| 1992 | 71° | 41° | 56° | 1.32" | — |
| 1991 | 76° | 43° | 59° | 0.05" | — |
| 1990 | 78° | 50° | 64° | — | — |
| 1989 | 73° | 49° | 61° | — | — |
| 1988 | 78° | 46° | 62° | — | — |
| 1987 | 74° | 41° | 57° | 0.1" | — |
| 1986 | 70° | 41° | 55° | — | — |
| 1985 | 80° | 53° | 67° | — | — |
| 1984 | 69° | 46° | 58° | 0.41" | — |
| 1983 | 75° | 49° | 62° | — | — |
| 1982 | 58° | 39° | 48° | 0.76" | — |
| 1981 | 75° | 48° | 62° | 0.18" | — |
| 1980 | 78° | 41° | 60° | — | — |
| 1979 | 77° | 51° | 64° | — | — |
| 1978 | 85° | 43° | 64° | 0.18" | — |
| 1977 | 79° | 53° | 66° | — | — |
| 1976 | 69° | 40° | 54° | 0.33" | — |
| 1975 | 75° | 49° | 62° | — | — |
| 1974 | 77° | 45° | 61° | — | — |
| 1973 | 76° | 46° | 61° | 0.36" | — |
| 1972 | 80° | 47° | 63° | — | — |
| 1971 | 75° | 42° | 59° | — | — |
55 years of data from BOULDER MUNI AP