Weather on April 23
Boulder, CO
55 Years of Data
Avg High
66°F
Avg Low
39°F
Warmest
1989
71°F avg
Coldest
2013
27°F avg
About This Date
April 23rd in Boulder, CO typically brings mild spring weather, with average highs around 66°F and lows near 39°F — a 27°F daily swing. Over 55 years of records, the warmest April 23rd was in 1989 (71°F average), while the coldest was 2013 (27°F) — a 44°F range across recorded history. Precipitation has occurred on 27% of recorded April 23rd dates, with snow falling 9% of the time (heaviest snowfall: 8.3"). The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for April 23rd in Boulder, CO? Great weather for outdoor activities.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 41° | 51° | — | — |
| 2024 | 61° | 45° | 53° | — | — |
| 2023 | 55° | 28° | 42° | — | — |
| 2022 | 59° | 43° | 51° | — | — |
| 2021 | 55° | 37° | 46° | — | — |
| 2020 | 66° | 45° | 55° | — | — |
| 2019 | 64° | 43° | 53° | — | — |
| 2018 | 72° | 41° | 56° | — | — |
| 2017 | 74° | 34° | 54° | — | — |
| 2016 | 78° | 45° | 61° | — | — |
| 2015 | 69° | 40° | 54° | — | — |
| 2014 | 69° | 45° | 57° | — | — |
| 2013coldest | 34° | 20° | 27° | 1.8" | 7.5" |
| 2012 | 82° | 41° | 62° | — | — |
| 2011 | 54° | 30° | 42° | 0.18" | — |
| 2010 | 50° | 33° | 42° | 3.76" | 1" |
| 2009 | 80° | 46° | 63° | — | — |
| 2008 | 75° | 36° | 55° | — | — |
| 2007 | 59° | 38° | 48° | 0.18" | — |
| 2006 | 76° | 43° | 59° | — | — |
| 2005 | 63° | 40° | 51° | — | — |
| 2004 | 45° | 32° | 38° | 1.35" | 2.9" |
| 2003 | 60° | 40° | 50° | 0.25" | — |
| 2002 | 77° | 48° | 63° | — | — |
| 2001 | 55° | 24° | 40° | — | — |
| 2000 | 63° | 42° | 52° | 0.3" | — |
| 1999 | 41° | 34° | 37° | 4.09" | 8.3" |
| 1998 | 76° | 40° | 58° | — | — |
| 1997 | 60° | 31° | 45° | 0.41" | — |
| 1996 | 73° | 34° | 53° | — | — |
| 1995 | 46° | 26° | 36° | 0.05" | — |
| 1994 | 87° | 40° | 63° | — | — |
| 1993 | 71° | 53° | 62° | — | — |
| 1992 | 60° | 43° | 51° | 0.05" | — |
| 1991 | 59° | 37° | 48° | — | — |
| 1990 | 70° | 50° | 60° | 0.05" | — |
| 1989warmest | 85° | 57° | 71° | — | — |
| 1988 | 55° | 27° | 41° | 0.08" | 0.3" |
| 1987 | 80° | 42° | 61° | — | — |
| 1986 | 76° | 50° | 63° | — | — |
| 1985 | 69° | 31° | 50° | — | — |
| 1984 | 69° | 35° | 52° | — | — |
| 1983 | 62° | 40° | 51° | 0.03" | — |
| 1982 | 75° | 34° | 54° | — | — |
| 1981 | 71° | 38° | 54° | — | — |
| 1980 | 72° | 42° | 57° | — | — |
| 1979 | 81° | 46° | 63° | — | — |
| 1978 | 64° | 36° | 50° | — | — |
| 1977 | 72° | 40° | 56° | — | — |
| 1976 | 71° | 43° | 57° | — | — |
| 1975 | 69° | 41° | 55° | — | — |
| 1974 | 68° | 38° | 53° | — | — |
| 1973 | 64° | 36° | 50° | — | — |
| 1972 | 64° | 45° | 54° | — | — |
| 1971 | 55° | 40° | 47° | 0.08" | — |
55 years of data from BOULDER MUNI AP