Weather on April 9
Longmont, CO
55 Years of Data
Avg High
64°F
Avg Low
31°F
Warmest
2014
64°F avg
Coldest
1973
21°F avg
About This Date
April 9th in Longmont, CO typically brings mild spring weather, with average highs around 64°F and lows near 31°F — a 33°F daily swing. Over 56 years of records, the warmest April 9th was in 2014 (64°F average), while the coldest was 1973 (21°F) — a 43°F range across recorded history. Precipitation has occurred on 16% of recorded April 9th dates, with snow falling 5% of the time (heaviest snowfall: 13.1"). The last decade has been 8.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 8.3°F warmer on this date compared to 20-30 years ago.
Planning for April 9th in Longmont, CO? Great weather for outdoor activities.
Warming Trend
2.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 71° | 37° | 54° | — | — |
| 2025 | 77° | 45° | 61° | — | — |
| 2024 | 59° | 29° | 44° | — | — |
| 2023 | 69° | 35° | 52° | — | — |
| 2022 | 72° | 31° | 51° | — | — |
| 2021 | 76° | 34° | 55° | — | — |
| 2020 | 73° | 34° | 53° | — | — |
| 2019 | 76° | 44° | 60° | — | — |
| 2018 | 65° | 34° | 49° | 0.13" | — |
| 2017 | 70° | 39° | 54° | — | — |
| 2016 | 75° | 34° | 54° | — | — |
| 2015 | 54° | 35° | 44° | 0.2" | — |
| 2014warmest | 75° | 53° | 64° | — | — |
| 2013 | 48° | 15° | 32° | 1.7" | 13.1" |
| 2012 | 66° | 34° | 50° | — | — |
| 2011 | 71° | 36° | 53° | — | — |
| 2010 | 66° | 37° | 52° | — | — |
| 2009 | 63° | 35° | 49° | — | — |
| 2008 | 55° | 31° | 43° | — | — |
| 2007 | 68° | 29° | 48° | — | — |
| 2006 | 77° | 43° | 60° | — | — |
| 2005 | 70° | 37° | 53° | — | — |
| 2004 | 65° | 38° | 51° | 0.25" | — |
| 2003 | 60° | 32° | 46° | — | — |
| 2002 | 58° | 27° | 42° | — | — |
| 2001 | 66° | 29° | 47° | — | — |
| 2000 | 71° | 22° | 46° | — | — |
| 1999 | 67° | 24° | 45° | — | — |
| 1998 | 54° | 26° | 40° | — | — |
| 1997 | 35° | 16° | 25° | — | — |
| 1996 | 77° | 36° | 56° | — | — |
| 1995 | 79° | 36° | 57° | — | — |
| 1994 | 64° | 30° | 47° | — | — |
| 1993 | 63° | 27° | 45° | — | — |
| 1992 | 76° | 33° | 54° | — | — |
| 1991 | 60° | 30° | 45° | — | — |
| 1990 | 68° | 32° | 50° | 0.05" | — |
| 1989 | 47° | 15° | 31° | 0.74" | 2" |
| 1988 | 65° | 24° | 44° | 0.51" | — |
| 1987 | 70° | 28° | 49° | — | — |
| 1986 | 58° | 41° | 49° | 0.46" | 0.5" |
| 1985 | 69° | 38° | 53° | — | — |
| 1984 | 65° | 34° | 49° | — | — |
| 1983 | 46° | 23° | 35° | — | — |
| 1982 | 50° | 22° | 36° | — | — |
| 1981 | 56° | 31° | 43° | — | — |
| 1980 | 55° | 25° | 40° | — | — |
| 1979 | 62° | 31° | 46° | — | — |
| 1978 | 72° | 43° | 57° | 0.03" | — |
| 1977 | 79° | 36° | 57° | — | — |
| 1976 | 55° | 30° | 43° | — | — |
| 1975 | 49° | 21° | 35° | — | — |
| 1974 | 67° | 27° | 47° | — | — |
| 1973coldest | 32° | 11° | 21° | — | — |
| 1972 | 68° | 32° | 50° | — | — |
| 1971 | 61° | 30° | 45° | — | — |
56 years of data from LONGMONT 2 ESE