Weather on May 18
Denver, CO
55 Years of Data
Avg High
70°F
Avg Low
44°F
Warmest
1988
70°F avg
Coldest
1983
33°F avg
About This Date
May 18th in Denver, CO typically brings pleasant spring weather, with average highs around 70°F and lows near 44°F — a 26°F daily swing. Over 55 years of records, the warmest May 18th was in 1988 (70°F average), while the coldest was 1983 (33°F) — a 37°F range across recorded history. Precipitation has occurred on 36% of recorded May 18th dates, with snow falling 2% of the time (heaviest snowfall: 1.6"). 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 May 18th in Denver, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 43° | 58° | 0.03" | — |
| 2024 | 81° | 55° | 68° | — | — |
| 2023 | 74° | 48° | 61° | — | — |
| 2022 | 81° | 53° | 67° | — | — |
| 2021 | 65° | 43° | 54° | 1.02" | — |
| 2020 | 73° | 44° | 59° | — | — |
| 2019 | 66° | 38° | 52° | 0.25" | — |
| 2018 | 81° | 52° | 66° | — | — |
| 2017 | 69° | 32° | 51° | 2.69" | 1.6" |
| 2016 | 52° | 37° | 44° | — | — |
| 2015 | 66° | 40° | 53° | 0.3" | — |
| 2014 | 66° | 44° | 55° | — | — |
| 2013 | 84° | 55° | 70° | — | — |
| 2012 | 77° | 50° | 64° | — | — |
| 2011 | 61° | 40° | 50° | 0.05" | — |
| 2010 | 76° | 44° | 60° | — | — |
| 2009 | 80° | 48° | 64° | — | — |
| 2008 | 79° | 50° | 64° | — | — |
| 2007 | 74° | 44° | 59° | — | — |
| 2006 | 82° | 52° | 67° | 0.03" | — |
| 2005 | 76° | 46° | 61° | — | — |
| 2004 | 80° | 47° | 63° | — | — |
| 2003 | 84° | 50° | 67° | — | — |
| 2002 | 59° | 39° | 49° | — | — |
| 2001 | 58° | 40° | 49° | 0.81" | — |
| 2000 | 58° | 38° | 48° | 1.3" | — |
| 1999 | 64° | 32° | 48° | — | — |
| 1998 | 82° | 46° | 64° | — | — |
| 1997 | 85° | 55° | 70° | — | — |
| 1996 | 84° | 52° | 68° | — | — |
| 1995 | 47° | 33° | 40° | 2.41" | — |
| 1994 | 85° | 54° | 69° | — | — |
| 1993 | 58° | 45° | 51° | 1.57" | — |
| 1992 | 79° | 42° | 60° | — | — |
| 1991 | 64° | 40° | 52° | — | — |
| 1990 | 70° | 41° | 55° | — | — |
| 1989 | 68° | 46° | 57° | 0.3" | — |
| 1988warmest | 85° | 56° | 70° | — | — |
| 1987 | 73° | 43° | 58° | 1.07" | — |
| 1986 | 58° | 37° | 47° | — | — |
| 1985 | 63° | 39° | 51° | 0.3" | — |
| 1984 | 71° | 45° | 58° | — | — |
| 1983coldest | 40° | 26° | 33° | 1.3" | — |
| 1982 | 67° | 43° | 55° | — | — |
| 1981 | 50° | 40° | 45° | 1.3" | — |
| 1980 | 51° | 38° | 44° | 0.61" | — |
| 1979 | 77° | 46° | 62° | — | — |
| 1978 | 68° | 41° | 55° | 2.57" | — |
| 1977 | 79° | 42° | 60° | — | — |
| 1976 | 74° | 41° | 57° | — | — |
| 1975 | 75° | 48° | 62° | 1.52" | — |
| 1974 | 73° | 40° | 56° | — | — |
| 1973 | 77° | 53° | 65° | — | — |
| 1972 | — | 38° | — | — | — |
| 1971 | 48° | 34° | 41° | 0.36" | — |
55 years of data from LAKEWOOD