Weather on May 20
Denver, CO
55 Years of Data
Avg High
71°F
Avg Low
46°F
Warmest
2020
73°F avg
Coldest
2017
35°F avg
About This Date
May 20th in Denver, CO typically brings pleasant spring weather, with average highs around 71°F and lows near 46°F — a 25°F daily swing. Over 54 years of records, the warmest May 20th was in 2020 (73°F average), while the coldest was 2017 (35°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 33% of May 20th dates historically, with the wettest May 20th recording 1.75" of rain. The last decade has been 4.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.2°F cooler on this date compared to 20-30 years ago.
Planning for May 20th in Denver, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 40° | 55° | — | — |
| 2024 | 81° | 46° | 63° | — | — |
| 2023 | 55° | 45° | 50° | — | — |
| 2022 | 89° | 37° | 63° | 0.03" | — |
| 2021 | 83° | 46° | 64° | — | — |
| 2020warmest | 93° | 54° | 73° | — | — |
| 2019 | 58° | 36° | 47° | 0.05" | — |
| 2018 | 50° | 42° | 46° | 0.03" | — |
| 2017coldest | 38° | 32° | 35° | 0.1" | — |
| 2016 | 74° | 44° | 59° | — | — |
| 2015 | 47° | 34° | 40° | 0.64" | — |
| 2014 | 80° | 49° | 64° | — | — |
| 2013 | 71° | 48° | 60° | — | — |
| 2012 | 55° | 40° | 47° | 0.3" | — |
| 2011 | 43° | 38° | 40° | 1.75" | — |
| 2010 | 66° | 44° | 55° | — | — |
| 2008 | 86° | 51° | 69° | — | — |
| 2007 | 78° | 49° | 63° | — | — |
| 2006 | 88° | 56° | 72° | — | — |
| 2005 | 84° | 52° | 68° | — | — |
| 2004 | 83° | 49° | 66° | — | — |
| 2003 | 46° | 38° | 42° | — | — |
| 2002 | 72° | 45° | 58° | — | — |
| 2001 | 65° | 48° | 56° | — | — |
| 2000 | 69° | 45° | 57° | — | — |
| 1999 | 83° | 51° | 67° | 0.03" | — |
| 1998 | 84° | 47° | 65° | — | — |
| 1997 | 79° | 41° | 60° | 0.1" | — |
| 1996 | 69° | 46° | 58° | 0.08" | — |
| 1995 | 64° | 47° | 55° | — | — |
| 1994 | 83° | 55° | 69° | — | — |
| 1993 | 80° | 45° | 62° | 0.1" | — |
| 1992 | 85° | 56° | 70° | — | — |
| 1991 | 78° | 58° | 68° | — | — |
| 1990 | 73° | 48° | 61° | — | — |
| 1989 | 79° | 44° | 61° | — | — |
| 1988 | 48° | 40° | 44° | 1.17" | — |
| 1987 | 65° | 47° | 56° | 1.24" | — |
| 1986 | 82° | 47° | 64° | — | — |
| 1985 | 61° | 47° | 54° | — | — |
| 1984 | 86° | 52° | 69° | — | — |
| 1983 | 53° | 41° | 47° | 0.53" | — |
| 1982 | 65° | 47° | 56° | — | — |
| 1981 | 76° | 48° | 62° | — | — |
| 1980 | 75° | 50° | 63° | — | — |
| 1979 | 56° | 42° | 49° | 0.46" | — |
| 1978 | 72° | 48° | 60° | — | — |
| 1977 | 57° | 42° | 50° | 0.25" | — |
| 1976 | 78° | 48° | 63° | 0.03" | — |
| 1975 | 60° | 43° | 51° | 0.03" | — |
| 1974 | 73° | 39° | 56° | — | — |
| 1973 | 83° | 51° | 67° | — | — |
| 1972 | 84° | 46° | 65° | — | — |
| 1971 | 73° | 39° | 56° | — | — |
54 years of data from DENVER-STAPLETON