Weather on May 10
Boulder, CO
55 Years of Data
Avg High
68°F
Avg Low
42°F
Warmest
2018
68°F avg
Coldest
1979
34°F avg
About This Date
May 10th in Boulder, CO typically brings mild spring weather, with average highs around 68°F and lows near 42°F — a 26°F daily swing. Over 55 years of records, the warmest May 10th was in 2018 (68°F average), while the coldest was 1979 (34°F) — a 34°F range across recorded history. Precipitation has occurred on 31% of recorded May 10th dates, with snow falling 7% of the time (heaviest snowfall: 5.2"). The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for May 10th in Boulder, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 46° | 62° | — | — |
| 2024 | 59° | 43° | 51° | — | — |
| 2023 | 55° | 46° | 51° | — | — |
| 2022 | 68° | 45° | 56° | — | — |
| 2021 | 45° | 32° | 38° | 0.79" | — |
| 2020 | 61° | 37° | 49° | — | — |
| 2019 | 52° | 36° | 44° | — | — |
| 2018warmest | 86° | 50° | 68° | — | — |
| 2017 | 62° | 49° | 55° | 0.71" | — |
| 2016 | 67° | 50° | 58° | — | — |
| 2015 | 44° | 29° | 36° | 1.35" | 3.9" |
| 2014 | 65° | 39° | 52° | 0.05" | — |
| 2013 | 66° | 37° | 52° | — | — |
| 2012 | 82° | 46° | 64° | — | — |
| 2011 | 74° | 45° | 59° | — | — |
| 2010 | 65° | 41° | 53° | — | — |
| 2009 | 45° | 37° | 41° | — | — |
| 2008 | 69° | 40° | 54° | 0.61" | — |
| 2007 | 77° | 48° | 63° | — | — |
| 2006 | 62° | 32° | 47° | 0.89" | 0.1" |
| 2005 | 76° | 44° | 60° | — | — |
| 2004 | 77° | 47° | 62° | — | — |
| 2003 | 49° | 32° | 40° | 3.53" | 5.2" |
| 2002 | 61° | 34° | 47° | — | — |
| 2001 | 80° | 51° | 66° | — | — |
| 2000 | 72° | 45° | 58° | — | — |
| 1999 | 73° | 34° | 53° | 0.56" | — |
| 1998 | 71° | 40° | 55° | 0.08" | — |
| 1997 | 78° | 43° | 60° | — | — |
| 1996 | 65° | 37° | 51° | 0.41" | — |
| 1995 | 63° | 37° | 50° | — | — |
| 1994 | 73° | 39° | 56° | — | — |
| 1993 | 68° | 33° | 51° | — | — |
| 1992 | 62° | 52° | 57° | — | — |
| 1991 | 84° | 49° | 66° | — | — |
| 1990 | 65° | 29° | 47° | — | — |
| 1989 | 71° | 45° | 58° | 0.03" | — |
| 1988 | 65° | 47° | 56° | 0.53" | — |
| 1987 | 81° | 54° | 67° | — | — |
| 1986 | 72° | 36° | 54° | — | — |
| 1985 | 80° | 54° | 67° | 0.03" | — |
| 1984 | 85° | 45° | 65° | — | — |
| 1983 | 66° | 38° | 52° | — | — |
| 1982 | 73° | 46° | 60° | — | — |
| 1981 | 69° | 31° | 50° | — | — |
| 1980 | 71° | 46° | 59° | — | — |
| 1979coldest | 35° | 32° | 34° | 0.33" | 2" |
| 1978 | 77° | 40° | 58° | — | — |
| 1977 | 78° | 47° | 62° | 0.13" | — |
| 1976 | 70° | 44° | 57° | — | — |
| 1975 | 76° | 44° | 60° | — | — |
| 1974 | 78° | 51° | 65° | — | — |
| 1973 | 72° | 43° | 57° | — | — |
| 1972 | 55° | 44° | 50° | 0.66" | — |
| 1971 | 54° | 43° | 48° | 1.47" | — |
55 years of data from BOULDER MUNI AP