Weather on April 21
Greeley, CO
55 Years of Data
Avg High
65°F
Avg Low
36°F
Warmest
1989
67°F avg
Coldest
2021
33°F avg
About This Date
April 21st in Greeley, CO typically brings mild spring weather, with average highs around 65°F and lows near 36°F — a 29°F daily swing. Over 55 years of records, the warmest April 21st was in 1989 (67°F average), while the coldest was 2021 (33°F) — a 34°F range across recorded history. Precipitation has occurred on 27% of recorded April 21st dates, with snow falling 2% of the time (heaviest snowfall: 2"). 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 Greeley, CO? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 34° | 56° | — | — |
| 2024 | 63° | 26° | 44° | — | — |
| 2023 | 52° | 30° | 41° | — | — |
| 2022 | 81° | 46° | 63° | — | — |
| 2021coldest | 40° | 27° | 33° | — | 2" |
| 2020 | 73° | 37° | 55° | — | — |
| 2019 | 82° | 42° | 62° | — | — |
| 2018 | 44° | 31° | 37° | 0.81" | — |
| 2017 | 57° | 35° | 46° | 1.14" | — |
| 2016 | 71° | 38° | 54° | — | — |
| 2015 | 69° | 36° | 52° | — | — |
| 2014 | 71° | 45° | 58° | — | — |
| 2013 | 65° | 35° | 50° | — | — |
| 2012 | 78° | 47° | 62° | — | — |
| 2011 | 70° | 36° | 53° | 0.51" | — |
| 2010 | 66° | 45° | 55° | — | — |
| 2009 | 81° | 40° | 60° | — | — |
| 2008 | 58° | 32° | 45° | — | — |
| 2007 | 76° | 30° | 53° | — | — |
| 2006 | 78° | 35° | 57° | — | — |
| 2005 | 63° | 36° | 49° | 1.42" | — |
| 2004 | 50° | 38° | 44° | 0.1" | — |
| 2003 | 72° | 33° | 52° | — | — |
| 2002 | 62° | 29° | 45° | — | — |
| 2001 | 57° | 32° | 45° | 1.57" | — |
| 2000 | 77° | 37° | 57° | — | — |
| 1999 | 67° | 43° | 55° | 0.28" | — |
| 1998 | 63° | 35° | 49° | — | — |
| 1997 | 62° | 49° | 55° | — | — |
| 1996 | 55° | 35° | 45° | — | — |
| 1995 | 41° | 36° | 38° | 0.03" | — |
| 1994 | 76° | 45° | 60° | — | — |
| 1993 | 61° | 29° | 45° | — | — |
| 1992 | 71° | 34° | 52° | — | — |
| 1991 | 44° | 40° | 42° | 0.84" | — |
| 1990 | 80° | 41° | 61° | — | — |
| 1989warmest | 90° | 44° | 67° | — | — |
| 1988 | 73° | 38° | 55° | 0.25" | — |
| 1987 | 65° | 28° | 46° | — | — |
| 1986 | 66° | 42° | 54° | — | — |
| 1985 | 61° | 38° | 49° | — | — |
| 1984 | 40° | 32° | 36° | 0.13" | — |
| 1983 | 48° | 43° | 45° | 1.07" | — |
| 1982 | 59° | 18° | 38° | — | — |
| 1981 | 72° | 40° | 56° | 0.05" | — |
| 1980 | 85° | 41° | 63° | — | — |
| 1979 | 72° | 34° | 53° | — | — |
| 1978 | 71° | 34° | 52° | — | — |
| 1977 | 63° | 31° | 47° | — | — |
| 1976 | 70° | 35° | 52° | — | — |
| 1975 | 65° | 36° | 50° | — | — |
| 1974 | 62° | 40° | 51° | — | — |
| 1973 | 55° | 31° | 43° | — | — |
| 1972 | 65° | 32° | 48° | 0.1" | — |
| 1971 | 60° | 36° | 48° | 0.18" | — |
55 years of data from GREELEY UNC