Weather on May 20
Denver, CO
55 Years of Data
Avg High
73°F
Avg Low
46°F
Warmest
2006
76°F avg
Coldest
2017
37°F avg
About This Date
May 20th in Denver, CO typically brings pleasant spring weather, with average highs around 73°F and lows near 46°F — a 27°F daily swing. Over 55 years of records, the warmest May 20th was in 2006 (76°F average), while the coldest was 2017 (37°F) — a 39°F range across recorded history. Precipitation has occurred on 35% of recorded May 20th dates, with snow falling 2% of the time (heaviest snowfall: 1.5"). The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.6°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
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 39° | 54° | — | — |
| 2024 | 86° | 45° | 65° | — | — |
| 2023 | 53° | 45° | 49° | 0.05" | — |
| 2022 | 92° | 35° | 63° | 0.08" | — |
| 2021 | 75° | — | — | — | — |
| 2020 | 91° | 52° | 71° | — | — |
| 2019 | 57° | 37° | 47° | — | — |
| 2018 | 72° | 42° | 57° | 0.18" | — |
| 2017coldest | 43° | 32° | 37° | 0.08" | — |
| 2016 | 77° | 49° | 63° | — | — |
| 2015 | 43° | 34° | 38° | — | — |
| 2014 | 79° | 56° | 67° | — | — |
| 2013 | 73° | 47° | 60° | 0.1" | — |
| 2012 | 58° | 38° | 48° | 0.3" | — |
| 2011 | 44° | 37° | 41° | 1.7" | — |
| 2010 | 71° | 47° | 59° | 0.41" | — |
| 2009 | 91° | 58° | 74° | — | — |
| 2008 | 91° | 49° | 70° | — | — |
| 2007 | 85° | 48° | 66° | — | — |
| 2006warmest | 93° | 59° | 76° | — | — |
| 2005 | 88° | 51° | 69° | — | — |
| 2004 | 86° | 48° | 67° | — | — |
| 2003 | 65° | 41° | 53° | — | — |
| 2002 | 60° | 46° | 53° | 0.08" | — |
| 2001 | 79° | 31° | 55° | 0.64" | 1.5" |
| 2000 | 71° | 49° | 60° | — | — |
| 1999 | 71° | 51° | 61° | 0.1" | — |
| 1998 | 84° | 49° | 66° | — | — |
| 1997 | 79° | 43° | 61° | — | — |
| 1996 | 65° | 42° | 53° | — | — |
| 1995 | 65° | 44° | 54° | 0.1" | — |
| 1994 | 82° | 56° | 69° | — | — |
| 1993 | 80° | 43° | 61° | — | — |
| 1992 | 84° | 53° | 69° | — | — |
| 1991 | 76° | 52° | 64° | 0.03" | — |
| 1990 | 71° | 46° | 59° | — | — |
| 1989 | 81° | 50° | 65° | — | — |
| 1988 | 49° | 39° | 44° | 1.35" | — |
| 1987 | 63° | 46° | 54° | 0.99" | — |
| 1986 | 81° | 47° | 64° | — | — |
| 1985 | 61° | 45° | 53° | 0.08" | — |
| 1984 | 87° | 50° | 69° | — | — |
| 1983 | 57° | 41° | 49° | 0.23" | — |
| 1982 | 68° | 46° | 57° | — | — |
| 1981 | 72° | 43° | 57° | — | — |
| 1980 | 75° | 50° | 63° | — | — |
| 1979 | 56° | 42° | 49° | 0.46" | — |
| 1978 | 75° | 45° | 60° | — | — |
| 1977 | 63° | 45° | 54° | 0.13" | — |
| 1976 | 79° | 47° | 63° | — | — |
| 1975 | 73° | 42° | 58° | — | — |
| 1974 | 85° | 49° | 67° | — | — |
| 1973 | 83° | 51° | 67° | — | — |
| 1972 | 84° | 46° | 65° | — | — |
| 1971 | 73° | 39° | 56° | — | — |
55 years of data from NORTHGLENN