Weather on April 17
Boulder, CO
55 Years of Data
Avg High
64°F
Avg Low
36°F
Warmest
1987
68°F avg
Coldest
2013
27°F avg
About This Date
April 17th in Boulder, CO typically brings mild spring weather, with average highs around 64°F and lows near 36°F — a 28°F daily swing. Over 55 years of records, the warmest April 17th was in 1987 (68°F average), while the coldest was 2013 (27°F) — a 41°F range across recorded history. Precipitation has occurred on 25% of recorded April 17th dates, with snow falling 15% of the time (heaviest snowfall: 11.8"). 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 April 17th in Boulder, CO? Great weather for outdoor activities.
Cooling Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 30° | 50° | — | — |
| 2024 | 73° | 37° | 55° | — | — |
| 2023 | 72° | 36° | 54° | — | — |
| 2022 | 61° | 32° | 46° | — | — |
| 2021 | 45° | 30° | 38° | — | — |
| 2020 | 39° | 14° | 27° | — | — |
| 2019 | 63° | 43° | 53° | — | — |
| 2018 | 68° | 37° | 53° | — | — |
| 2017 | 76° | 36° | 56° | — | — |
| 2016 | 39° | 30° | 35° | 1.8" | 11.8" |
| 2015 | 49° | 32° | 40° | 4.98" | 0.6" |
| 2014 | 64° | 30° | 47° | — | — |
| 2013coldest | 33° | 22° | 27° | 1.19" | 5.5" |
| 2012 | 69° | 37° | 53° | — | — |
| 2011 | 69° | 39° | 54° | — | — |
| 2010 | 54° | 41° | 47° | 0.1" | — |
| 2009 | 39° | 32° | 36° | 6.58" | 5.2" |
| 2008 | 50° | 28° | 39° | 0.38" | 1.8" |
| 2007 | 56° | 40° | 48° | 0.74" | — |
| 2006 | 82° | 46° | 64° | — | — |
| 2005 | 72° | 43° | 57° | — | — |
| 2004 | 71° | 39° | 55° | — | — |
| 2003 | 63° | 32° | 47° | — | — |
| 2002 | 76° | 33° | 54° | — | — |
| 2001 | 60° | 36° | 48° | — | — |
| 2000 | 75° | 36° | 55° | — | — |
| 1999 | 51° | 25° | 38° | 0.08" | 0.3" |
| 1998 | 50° | 24° | 37° | — | — |
| 1997 | 72° | 36° | 54° | — | — |
| 1996 | 69° | 48° | 59° | — | — |
| 1995 | 45° | 32° | 38° | 1.88" | 0.9" |
| 1994 | 81° | 37° | 59° | — | — |
| 1993 | 66° | 33° | 50° | — | — |
| 1992 | 71° | 37° | 54° | — | — |
| 1991 | 59° | 33° | 46° | — | — |
| 1990 | 42° | 31° | 36° | 0.69" | — |
| 1989 | 67° | 42° | 54° | 0.03" | — |
| 1988 | 61° | 44° | 52° | 0.64" | — |
| 1987warmest | 83° | 53° | 68° | — | — |
| 1986 | 60° | 36° | 48° | 0.91" | 1.5" |
| 1985 | 82° | 49° | 65° | — | — |
| 1984 | 79° | 35° | 57° | — | — |
| 1983 | 67° | 34° | 50° | — | — |
| 1982 | 65° | 23° | 44° | — | — |
| 1981 | 81° | 47° | 64° | — | — |
| 1980 | 68° | 33° | 51° | — | — |
| 1979 | 78° | 41° | 60° | — | — |
| 1978 | 58° | 37° | 47° | — | — |
| 1977 | 67° | 37° | 52° | — | — |
| 1976 | 56° | 32° | 44° | 1.14" | — |
| 1975 | 70° | 36° | 53° | — | — |
| 1974 | 60° | 40° | 50° | — | — |
| 1973 | 66° | 38° | 52° | — | — |
| 1972 | 73° | 41° | 57° | — | — |
| 1971 | 74° | 39° | 56° | — | — |
55 years of data from BOULDER MUNI AP