Weather on April 19
Longmont, CO
55 Years of Data
Avg High
64°F
Avg Low
35°F
Warmest
1979
63°F avg
Coldest
2025
33°F avg
About This Date
April 19th in Longmont, CO typically brings mild spring weather, with average highs around 64°F and lows near 35°F — a 29°F daily swing. Over 55 years of records, the warmest April 19th was in 1979 (63°F average), while the coldest was 2025 (33°F) — a 30°F range across recorded history. Precipitation has occurred on 24% of recorded April 19th dates, with snow falling 2% of the time. The last decade has been 5.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.6°F cooler on this date compared to 20-30 years ago.
Planning for April 19th in Longmont, CO? Great weather for outdoor activities.
Cooling Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025coldest | 35° | 30° | 33° | 0.48" | 0.5" |
| 2024 | 38° | 32° | 35° | 0.33" | — |
| 2023 | 79° | 38° | 58° | — | — |
| 2022 | 64° | 32° | 48° | — | — |
| 2021 | 61° | 34° | 47° | — | — |
| 2020 | 50° | 30° | 40° | — | — |
| 2019 | 68° | 35° | 52° | — | — |
| 2018 | 60° | 30° | 45° | — | — |
| 2017 | 72° | 43° | 57° | — | — |
| 2016 | 50° | 32° | 41° | — | — |
| 2015 | 52° | 35° | 43° | 0.23" | — |
| 2014 | 70° | 49° | 59° | 0.36" | — |
| 2013 | 54° | 22° | 38° | — | — |
| 2012 | 67° | 42° | 54° | — | — |
| 2011 | 59° | 37° | 48° | 0.58" | — |
| 2010 | 71° | 40° | 55° | — | — |
| 2009 | 58° | 32° | 45° | 0.05" | — |
| 2008 | 78° | 34° | 56° | — | — |
| 2007 | 64° | 38° | 51° | — | — |
| 2006 | 63° | 29° | 46° | — | — |
| 2005 | 73° | 45° | 59° | — | — |
| 2004 | 60° | 36° | 48° | — | — |
| 2003 | 63° | 39° | 51° | 0.3" | — |
| 2002 | 55° | 27° | 41° | — | — |
| 2001 | 79° | 45° | 62° | — | — |
| 2000 | 84° | 32° | 58° | — | — |
| 1999 | 77° | 27° | 52° | — | — |
| 1998 | 50° | 24° | 37° | — | — |
| 1997 | 76° | 30° | 53° | — | — |
| 1996 | 68° | 34° | 51° | — | — |
| 1995 | 57° | 30° | 44° | 0.99" | — |
| 1994 | 82° | 43° | 62° | — | — |
| 1993 | 73° | 34° | 53° | — | — |
| 1992 | 62° | 41° | 52° | — | — |
| 1991 | 47° | 36° | 41° | — | — |
| 1990 | 71° | 34° | 52° | — | — |
| 1989 | 67° | 29° | 48° | — | — |
| 1988 | 70° | 33° | 51° | — | — |
| 1987 | 82° | 40° | 61° | — | — |
| 1986 | 61° | 28° | 44° | — | — |
| 1985 | 59° | 47° | 53° | — | — |
| 1984 | 59° | 39° | 49° | — | — |
| 1983 | 73° | 38° | 55° | — | — |
| 1982 | 73° | 27° | 50° | — | — |
| 1981 | 75° | 49° | 62° | 0.03" | — |
| 1980 | 81° | 39° | 60° | — | — |
| 1979warmest | 82° | 44° | 63° | — | — |
| 1978 | 62° | 29° | 45° | — | — |
| 1977 | 42° | 36° | 39° | 0.03" | — |
| 1976 | 59° | 36° | 47° | — | — |
| 1975 | 41° | 27° | 34° | — | — |
| 1974 | 75° | 40° | 57° | — | — |
| 1973 | 64° | 32° | 48° | 0.58" | — |
| 1972 | 50° | 34° | 42° | 0.08" | — |
| 1971 | 75° | 40° | 57° | 1.3" | — |
55 years of data from LONGMONT 2 ESE