Weather on May 20
Greeley, CO
55 Years of Data
Avg High
75°F
Avg Low
45°F
Warmest
2020
75°F avg
Coldest
2015
40°F avg
About This Date
May 20th in Greeley, CO typically brings pleasant spring weather, with average highs around 75°F and lows near 45°F — a 30°F daily swing. Over 54 years of records, the warmest May 20th was in 2020 (75°F average), while the coldest was 2015 (40°F) — a 35°F range across recorded history. Precipitation has occurred on 43% of recorded May 20th dates, with snow falling 2% of the time. The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
Planning for May 20th in Greeley, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 31° | 51° | — | — |
| 2024 | 76° | 48° | 62° | — | — |
| 2023 | 73° | 48° | 61° | — | — |
| 2022 | 84° | 36° | 60° | 0.41" | — |
| 2021 | 85° | 47° | 66° | — | — |
| 2020warmest | 91° | 59° | 75° | — | — |
| 2019 | 56° | 31° | 43° | 0.69" | — |
| 2018 | 57° | 41° | 49° | 0.05" | — |
| 2017 | 63° | 33° | 48° | 0.05" | — |
| 2016 | 80° | 45° | 62° | — | — |
| 2015coldest | 46° | 34° | 40° | 0.2" | — |
| 2014 | 81° | 54° | 67° | — | — |
| 2013 | 78° | 47° | 62° | 0.46" | — |
| 2012 | 79° | 41° | 60° | — | — |
| 2011 | 66° | 36° | 51° | 1.12" | — |
| 2010 | 70° | 43° | 56° | 0.43" | — |
| 2009 | 91° | 55° | 73° | — | — |
| 2008 | 92° | 54° | 73° | 0.15" | — |
| 2006 | 93° | 55° | 74° | — | — |
| 2005 | 95° | 49° | 72° | — | — |
| 2004 | 74° | 54° | 64° | — | — |
| 2003 | 67° | 41° | 54° | — | — |
| 2002 | 78° | 46° | 62° | — | — |
| 2001 | 69° | 33° | 51° | 0.33" | 0.3" |
| 2000 | 72° | 48° | 60° | 0.03" | — |
| 1999 | 70° | 51° | 60° | 0.05" | — |
| 1998 | 86° | 55° | 71° | 0.08" | — |
| 1997 | 82° | 41° | 62° | — | — |
| 1996 | 71° | 47° | 59° | 0.13" | — |
| 1995 | 59° | 47° | 53° | 0.56" | — |
| 1994 | 84° | 53° | 69° | — | — |
| 1993 | 77° | 43° | 60° | — | — |
| 1992 | 88° | 56° | 72° | — | — |
| 1991 | 78° | 59° | 69° | — | — |
| 1990 | 67° | 47° | 57° | — | — |
| 1989 | 80° | 42° | 61° | — | — |
| 1988 | 52° | 40° | 46° | 1.37" | — |
| 1987 | 65° | 53° | 59° | 0.33" | — |
| 1986 | 85° | 46° | 65° | — | — |
| 1985 | 62° | 42° | 52° | 0.13" | — |
| 1984 | 88° | 44° | 66° | — | — |
| 1983 | 59° | 41° | 50° | 0.05" | — |
| 1982 | 69° | 46° | 58° | — | — |
| 1981 | 74° | 41° | 57° | — | — |
| 1980 | 78° | 44° | 61° | 0.05" | — |
| 1979 | 55° | 41° | 48° | 0.58" | — |
| 1978 | 73° | 47° | 60° | — | — |
| 1977 | 66° | 45° | 55° | 0.91" | — |
| 1976 | 82° | 48° | 65° | — | — |
| 1975 | 77° | 42° | 60° | — | — |
| 1974 | 85° | 51° | 68° | — | — |
| 1973 | 85° | 51° | 68° | — | — |
| 1972 | 84° | 47° | 65° | 0.23" | — |
| 1971 | 73° | 36° | 54° | — | — |
54 years of data from GREELEY UNC