Weather on April 1
Longmont, CO
55 Years of Data
Avg High
58°F
Avg Low
29°F
Warmest
2012
66°F avg
Coldest
1988
21°F avg
About This Date
April 1st in Longmont, CO typically brings cool spring weather, with average highs around 58°F and lows near 29°F — a 29°F daily swing. Over 56 years of records, the warmest April 1st was in 2012 (66°F average), while the coldest was 1988 (21°F) — a 45°F range across recorded history. Precipitation has occurred on 25% of recorded April 1st dates, with snow falling 7% of the time (heaviest snowfall: 5"). The last decade has been 2.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.9°F cooler on this date compared to 20-30 years ago.
Planning for April 1st in Longmont, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 55° | 39° | 47° | — | — |
| 2025 | 55° | 32° | 44° | — | — |
| 2024 | 55° | 33° | 44° | 0.86" | — |
| 2023 | 50° | 37° | 44° | — | — |
| 2022 | 67° | 27° | 47° | — | — |
| 2021 | 55° | 21° | 38° | — | — |
| 2020 | 71° | 36° | 53° | — | — |
| 2019 | 53° | 27° | 40° | — | — |
| 2018 | 59° | 25° | 42° | 0.03" | — |
| 2017 | 41° | 31° | 36° | 0.81" | 0.1" |
| 2016 | 51° | 22° | 36° | — | — |
| 2015 | 74° | 52° | 63° | — | — |
| 2014 | 57° | 29° | 43° | — | — |
| 2013 | 64° | 29° | 46° | — | — |
| 2012warmest | 81° | 52° | 66° | — | — |
| 2011 | 71° | 52° | 61° | — | — |
| 2010 | 54° | 36° | 45° | — | — |
| 2009 | 44° | 27° | 35° | 0.64" | 3.9" |
| 2008 | 44° | 18° | 31° | — | — |
| 2007 | 66° | 37° | 52° | — | — |
| 2006 | 62° | 35° | 49° | — | — |
| 2005 | 63° | 24° | 43° | — | — |
| 2004 | 81° | 29° | 55° | — | — |
| 2003 | 71° | 35° | 53° | — | — |
| 2002 | 67° | 22° | 44° | — | — |
| 2001 | 51° | 32° | 42° | — | — |
| 2000 | 37° | 24° | 31° | 0.33" | — |
| 1999 | 74° | 32° | 53° | — | — |
| 1998 | 52° | 21° | 36° | — | — |
| 1997 | 76° | 32° | 54° | — | — |
| 1996 | 65° | 27° | 46° | — | — |
| 1995 | 57° | 24° | 41° | — | — |
| 1994 | 68° | 23° | 46° | — | — |
| 1993 | 50° | 25° | 37° | 0.2" | — |
| 1992 | 51° | 21° | 36° | 0.1" | — |
| 1991 | 68° | 33° | 51° | — | — |
| 1990 | 60° | 28° | 44° | — | — |
| 1989 | 61° | 39° | 50° | 0.05" | — |
| 1988coldest | 33° | 8° | 21° | — | — |
| 1987 | 66° | 26° | 46° | — | — |
| 1986 | 61° | 40° | 50° | — | — |
| 1985 | 64° | 28° | 46° | — | — |
| 1984 | 41° | 25° | 33° | — | — |
| 1983 | 59° | 29° | 44° | 0.03" | — |
| 1982 | 68° | 35° | 52° | — | — |
| 1981 | 56° | 36° | 46° | — | — |
| 1980 | 34° | 26° | 30° | 1.32" | 5" |
| 1979 | 47° | 26° | 36° | 0.97" | — |
| 1978 | 79° | 43° | 61° | — | — |
| 1977 | 58° | 25° | 41° | — | — |
| 1976 | 62° | 26° | 44° | — | — |
| 1975 | 44° | 12° | 28° | 1.14" | 4" |
| 1974 | 56° | 28° | 42° | 0.3" | — |
| 1973 | 54° | 24° | 39° | — | — |
| 1972 | 38° | 25° | 31° | 0.03" | — |
| 1971 | 70° | 21° | 45° | — | — |
56 years of data from LONGMONT 2 ESE