Weather on May 8
Boulder, CO
55 Years of Data
Avg High
67°F
Avg Low
41°F
Warmest
2011
69°F avg
Coldest
2019
39°F avg
About This Date
May 8th in Boulder, CO typically brings mild spring weather, with average highs around 67°F and lows near 41°F — a 26°F daily swing. Over 55 years of records, the warmest May 8th was in 2011 (69°F average), while the coldest was 2019 (39°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 35% of May 8th dates historically, with the wettest May 8th recording 2.49" of rain. The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
Planning for May 8th in Boulder, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 39° | 54° | — | — |
| 2024 | 57° | 39° | 48° | — | — |
| 2023 | 73° | 43° | 58° | — | — |
| 2022 | 72° | 50° | 61° | — | — |
| 2021 | 72° | 43° | 57° | 0.33" | — |
| 2020 | 61° | 36° | 48° | — | — |
| 2019coldest | 46° | 32° | 39° | — | — |
| 2018 | 77° | 52° | 64° | — | — |
| 2017 | 71° | 46° | 59° | 0.03" | — |
| 2016 | 58° | 35° | 46° | 0.03" | — |
| 2015 | 54° | 43° | 48° | 2.49" | — |
| 2014 | 57° | 37° | 47° | 1.12" | — |
| 2013 | 62° | 42° | 52° | 1.09" | — |
| 2012 | 64° | 33° | 49° | 0.03" | — |
| 2011warmest | 86° | 51° | 69° | — | — |
| 2010 | 55° | 30° | 43° | — | — |
| 2009 | 68° | 41° | 55° | — | — |
| 2008 | 67° | 44° | 55° | — | — |
| 2007 | 67° | 35° | 51° | — | — |
| 2006 | 72° | 50° | 61° | 0.03" | — |
| 2005 | 68° | 45° | 56° | — | — |
| 2004 | 81° | 53° | 67° | — | — |
| 2003 | 63° | 37° | 50° | 0.03" | — |
| 2002 | 66° | 39° | 53° | — | — |
| 2001 | 74° | 44° | 59° | — | — |
| 2000 | 71° | 41° | 56° | 1.32" | — |
| 1999 | 78° | 45° | 61° | — | — |
| 1998 | 59° | 42° | 51° | 0.99" | — |
| 1997 | 74° | 43° | 58° | — | — |
| 1996 | 78° | 42° | 60° | — | — |
| 1995 | 57° | 39° | 48° | 0.03" | — |
| 1994 | 76° | 38° | 57° | — | — |
| 1993 | 58° | 36° | 47° | — | — |
| 1992 | 77° | 49° | 63° | — | — |
| 1991 | 78° | 40° | 59° | — | — |
| 1990 | 73° | 40° | 56° | 0.2" | — |
| 1989 | 77° | 53° | 65° | — | — |
| 1988 | 63° | 43° | 53° | — | — |
| 1987 | 79° | 44° | 61° | — | — |
| 1986 | 49° | 37° | 43° | 1.22" | — |
| 1985 | 84° | 41° | 63° | — | — |
| 1984 | 70° | 35° | 52° | — | — |
| 1983 | 72° | 36° | 54° | — | — |
| 1982 | 72° | 44° | 58° | — | — |
| 1981 | 60° | 36° | 48° | — | — |
| 1980 | 56° | 47° | 51° | 0.41" | — |
| 1979 | 52° | 39° | 45° | 0.84" | — |
| 1978 | 50° | 37° | 44° | — | — |
| 1977 | 80° | 45° | 62° | 0.05" | — |
| 1976 | 65° | 37° | 51° | — | — |
| 1975 | 63° | 42° | 52° | — | — |
| 1974 | 83° | 44° | 63° | — | — |
| 1973 | 70° | 41° | 55° | — | — |
| 1972 | 64° | 40° | 52° | 0.05" | — |
| 1971 | 64° | 41° | 53° | 0.1" | — |
55 years of data from BOULDER MUNI AP