Weather on April 18
Denver, CO
55 Years of Data
Avg High
66°F
Avg Low
34°F
Warmest
1979
63°F avg
Coldest
2013
20°F avg
About This Date
April 18th in Denver, CO typically brings mild spring weather, with average highs around 66°F and lows near 34°F — a 32°F daily swing. Over 55 years of records, the warmest April 18th was in 1979 (63°F average), while the coldest was 2013 (20°F) — a 43°F range across recorded history. Precipitation has occurred on 20% of recorded April 18th dates, with snow falling 11% of the time (heaviest snowfall: 5.6"). The last decade has been 5.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.3°F cooler on this date compared to 20-30 years ago.
Planning for April 18th in Denver, CO? Great weather for outdoor activities.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 27° | 52° | 0.25" | 0.8" |
| 2024 | 79° | 29° | 54° | — | — |
| 2023 | 77° | 40° | 58° | — | — |
| 2022 | 71° | 28° | 50° | — | — |
| 2021 | 46° | 29° | 37° | — | — |
| 2020 | 49° | 18° | 33° | — | — |
| 2019 | 65° | 41° | 53° | — | — |
| 2018 | 76° | 29° | 52° | — | — |
| 2017 | 78° | 44° | 61° | — | — |
| 2016 | 37° | 32° | 35° | 0.03" | — |
| 2015 | 50° | 33° | 42° | 0.91" | — |
| 2014 | 64° | 37° | 51° | — | — |
| 2013coldest | 30° | 10° | 20° | 0.36" | 1.8" |
| 2012 | 73° | 38° | 55° | — | — |
| 2011 | 74° | 40° | 57° | — | — |
| 2010 | 54° | 34° | 44° | 0.05" | — |
| 2009 | 35° | 33° | 34° | 4.32" | 5.6" |
| 2008 | 54° | 30° | 42° | — | — |
| 2007 | 60° | 34° | 47° | — | — |
| 2006 | 82° | 37° | 60° | — | — |
| 2005 | 75° | 38° | 56° | — | — |
| 2004 | 80° | 45° | 62° | — | — |
| 2003 | 67° | 42° | 54° | — | — |
| 2002 | 72° | 34° | 53° | — | — |
| 2001 | 81° | 37° | 59° | — | — |
| 2000 | 79° | 42° | 60° | — | — |
| 1999 | 66° | 20° | 43° | — | — |
| 1998 | 47° | 30° | 38° | 1.3" | 5" |
| 1997 | 78° | 47° | 62° | — | — |
| 1996 | 67° | 36° | 51° | — | — |
| 1995 | 54° | 28° | 41° | 0.61" | 1.5" |
| 1994 | 80° | 47° | 63° | — | — |
| 1993 | 71° | 40° | 55° | — | — |
| 1992 | 59° | 41° | 50° | — | — |
| 1991 | 45° | 34° | 39° | — | — |
| 1990 | 70° | 30° | 50° | — | — |
| 1989 | 68° | 35° | 52° | — | — |
| 1988 | 68° | 25° | 46° | 0.25" | — |
| 1987 | 80° | 15° | 48° | — | — |
| 1986 | 53° | 32° | 43° | — | — |
| 1985 | 75° | 48° | 62° | — | — |
| 1984 | 73° | 38° | 55° | — | — |
| 1983 | 72° | 27° | 49° | — | — |
| 1982 | 74° | 34° | 54° | — | — |
| 1981 | 78° | 40° | 59° | — | — |
| 1980 | 79° | 30° | 54° | — | — |
| 1979warmest | 80° | 47° | 63° | — | — |
| 1978 | 61° | 25° | 43° | — | — |
| 1977 | 62° | 35° | 49° | — | — |
| 1976 | 59° | 29° | 44° | 0.43" | — |
| 1975 | 45° | 26° | 35° | 1.27" | 4.2" |
| 1974 | 73° | 32° | 53° | — | — |
| 1973 | 65° | 39° | 52° | — | — |
| 1972 | 57° | 37° | 47° | — | — |
| 1971 | 76° | 41° | 58° | — | — |
55 years of data from NORTHGLENN