Weather on April 21
Arvada, CO
55 Years of Data
Avg High
60°F
Avg Low
33°F
Warmest
1989
67°F avg
Coldest
2021
25°F avg
About This Date
April 21st in Arvada, CO typically brings mild spring weather, with average highs around 60°F and lows near 33°F — a 27°F daily swing. Over 55 years of records, the warmest April 21st was in 1989 (67°F average), while the coldest was 2021 (25°F) — a 42°F range across recorded history. Precipitation has occurred on 22% of recorded April 21st dates, with snow falling 4% of the time (heaviest snowfall: 14"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 21st in Arvada, CO? Great weather for outdoor activities.
Cooling Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 33° | 48° | — | — |
| 2024 | 36° | 30° | 33° | 0.13" | — |
| 2023 | 49° | 23° | 36° | — | — |
| 2022 | 72° | 39° | 55° | — | — |
| 2021coldest | 35° | 15° | 25° | — | — |
| 2020 | 64° | 37° | 51° | — | — |
| 2019 | 78° | 45° | 61° | — | — |
| 2018 | 55° | 32° | 44° | 1.47" | — |
| 2017 | 64° | 34° | 49° | 0.13" | — |
| 2016 | 54° | 36° | 45° | — | — |
| 2015 | 57° | 33° | 45° | — | — |
| 2014 | 70° | 41° | 55° | — | — |
| 2013 | 57° | 37° | 47° | — | — |
| 2012 | 71° | 41° | 56° | — | — |
| 2011 | 58° | 31° | 44° | — | — |
| 2010 | 56° | 34° | 45° | — | — |
| 2009 | 62° | 41° | 52° | — | — |
| 2008 | 47° | 27° | 37° | — | — |
| 2007 | 51° | 31° | 41° | — | — |
| 2006 | 62° | 32° | 47° | — | — |
| 2005 | 50° | 23° | 37° | — | — |
| 2004 | 50° | 27° | 38° | — | — |
| 2003 | 58° | 30° | 44° | — | — |
| 2002 | 52° | 27° | 39° | — | — |
| 2001 | 67° | 26° | 46° | — | — |
| 2000 | 69° | 35° | 52° | — | — |
| 1999 | 72° | 18° | 45° | — | — |
| 1998 | 52° | 30° | 41° | 0.08" | — |
| 1997 | 73° | 43° | 58° | — | — |
| 1996 | 56° | 23° | 39° | — | — |
| 1995 | 50° | 27° | 38° | 0.15" | — |
| 1994 | 78° | 43° | 60° | — | — |
| 1993 | 50° | 26° | 38° | — | — |
| 1992 | 60° | 27° | 43° | — | — |
| 1991 | 53° | 30° | 42° | 0.1" | — |
| 1990 | 66° | 42° | 54° | — | — |
| 1989warmest | 83° | 51° | 67° | — | — |
| 1988 | 72° | 40° | 56° | — | — |
| 1987 | 35° | 23° | 29° | 0.53" | 1" |
| 1986 | 69° | 36° | 52° | 0.08" | — |
| 1985 | 60° | 33° | 47° | — | — |
| 1984 | 43° | 29° | 36° | 3.91" | 14" |
| 1983 | 68° | 40° | 54° | 0.13" | — |
| 1982 | 35° | 17° | 26° | 0.13" | — |
| 1981 | 64° | 38° | 51° | — | — |
| 1980 | 82° | 50° | 66° | — | — |
| 1979 | 72° | 45° | 58° | — | — |
| 1978 | 67° | 29° | 48° | — | — |
| 1977 | 62° | 33° | 48° | — | — |
| 1976 | 70° | 38° | 54° | — | — |
| 1975 | 65° | 32° | 48° | — | — |
| 1974 | 64° | 37° | 51° | — | — |
| 1973 | 54° | 29° | 41° | — | — |
| 1972 | 64° | 32° | 48° | 0.08" | — |
| 1971 | 60° | 34° | 47° | — | — |
55 years of data from WATERTON NORTH COLORADO