Weather on May 20
Denver, CO
55 Years of Data
Avg High
71°F
Avg Low
44°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 44°F — a 27°F daily swing. Over 55 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 4.24" of rain. The last decade has been 4.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.4°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
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 41° | 54° | — | — |
| 2024 | 79° | 47° | 63° | — | — |
| 2023 | 54° | 45° | 49° | 0.13" | — |
| 2022 | 90° | 36° | 63° | 0.08" | — |
| 2021 | 65° | 43° | 54° | — | — |
| 2020warmest | 89° | 58° | 73° | — | — |
| 2019 | 51° | 35° | 43° | 0.13" | — |
| 2018 | 48° | 41° | 45° | 0.46" | — |
| 2017coldest | 41° | 29° | 35° | — | — |
| 2016 | 72° | 49° | 60° | — | — |
| 2015 | 44° | 35° | 40° | 0.81" | — |
| 2014 | 79° | 54° | 66° | — | — |
| 2013 | 68° | 46° | 57° | 0.13" | — |
| 2012 | 66° | 39° | 53° | 0.61" | — |
| 2011 | 41° | 34° | 37° | 1.57" | — |
| 2010 | 76° | 42° | 59° | — | — |
| 2009 | 88° | 54° | 71° | — | — |
| 2008 | 86° | 48° | 67° | 0.05" | — |
| 2007 | 81° | 48° | 64° | — | — |
| 2006 | 88° | 54° | 71° | — | — |
| 2005 | 85° | 58° | 71° | — | — |
| 2004 | 79° | 54° | 66° | — | — |
| 2003 | 40° | 36° | 38° | — | — |
| 2002 | 68° | 44° | 56° | — | — |
| 2001 | 65° | 49° | 57° | — | — |
| 2000 | 66° | 46° | 56° | — | — |
| 1999 | 84° | 36° | 60° | — | — |
| 1998 | 83° | 46° | 64° | — | — |
| 1997 | 67° | 42° | 54° | — | — |
| 1996 | 80° | 43° | 61° | — | — |
| 1995 | 70° | 42° | 56° | — | — |
| 1994 | 84° | 56° | 70° | 0.03" | — |
| 1993 | 67° | 44° | 55° | 0.3" | — |
| 1992 | 85° | 52° | 68° | — | — |
| 1991 | 83° | 46° | 64° | — | — |
| 1990 | 74° | 46° | 60° | — | — |
| 1989 | 71° | 41° | 56° | — | — |
| 1988 | 48° | 38° | 43° | 4.24" | — |
| 1987 | 71° | 35° | 53° | 1.27" | — |
| 1986 | 74° | 43° | 58° | — | — |
| 1985 | 67° | 46° | 56° | 0.48" | — |
| 1984 | 78° | 47° | 62° | — | — |
| 1983 | 45° | 35° | 40° | 1.19" | — |
| 1982 | 75° | 43° | 59° | — | — |
| 1981 | 59° | 41° | 50° | — | — |
| 1980 | 69° | — | — | 0.15" | — |
| 1979 | 72° | 41° | 56° | 1.32" | — |
| 1978 | 70° | 49° | 59° | — | — |
| 1977 | 66° | 42° | 54° | — | — |
| 1976 | 79° | 48° | 63° | — | — |
| 1975 | 78° | 42° | 60° | — | — |
| 1974 | 85° | 53° | 69° | — | — |
| 1973 | 76° | 41° | 58° | — | — |
| 1972 | 73° | 48° | 61° | 0.1" | — |
| 1971 | 69° | 38° | 53° | — | — |
55 years of data from LAKEWOOD