Weather on April 13
Longmont, CO
55 Years of Data
Avg High
62°F
Avg Low
32°F
Warmest
2025
68°F avg
Coldest
1997
19°F avg
About This Date
April 13th in Longmont, CO typically brings mild spring weather, with average highs around 62°F and lows near 32°F — a 30°F daily swing. Over 55 years of records, the warmest April 13th was in 2025 (68°F average), while the coldest was 1997 (19°F) — a 49°F range across recorded history. Precipitation has occurred on 18% of recorded April 13th dates, with snow falling 9% of the time (heaviest snowfall: 3.4"). The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for April 13th in Longmont, CO? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 88° | 48° | 68° | — | — |
| 2024 | 80° | 39° | 60° | — | — |
| 2023 | 85° | 50° | 67° | — | — |
| 2022 | 58° | 13° | 35° | — | — |
| 2021 | 43° | 30° | 36° | — | — |
| 2020 | 28° | 16° | 22° | 0.61" | 2.8" |
| 2019 | 45° | 27° | 36° | 0.25" | 0.8" |
| 2018 | 81° | 41° | 61° | — | — |
| 2017 | 77° | 37° | 57° | — | — |
| 2016 | 71° | 40° | 55° | — | — |
| 2015 | 67° | 32° | 49° | — | — |
| 2014 | 66° | 24° | 45° | 1.73" | 3.4" |
| 2013 | 66° | 29° | 47° | — | — |
| 2012 | 65° | 39° | 52° | — | — |
| 2011 | 60° | 36° | 48° | — | — |
| 2010 | 74° | 44° | 59° | — | — |
| 2009 | 65° | 32° | 48° | 0.03" | — |
| 2008 | 61° | 26° | 43° | — | — |
| 2007 | 45° | 32° | 38° | 0.03" | — |
| 2006 | 83° | 49° | 66° | — | — |
| 2005 | 63° | 33° | 48° | — | — |
| 2004 | 48° | 29° | 38° | — | — |
| 2003 | 80° | 40° | 60° | — | — |
| 2002 | 74° | 36° | 55° | — | — |
| 2001 | 51° | 35° | 43° | — | — |
| 2000 | 79° | 30° | 54° | — | — |
| 1999 | 71° | 29° | 50° | — | — |
| 1998 | 71° | 31° | 51° | — | — |
| 1997coldest | 32° | 7° | 19° | — | — |
| 1996 | 60° | 32° | 46° | — | — |
| 1995 | 66° | 30° | 48° | — | — |
| 1994 | 69° | 37° | 53° | — | — |
| 1993 | 51° | 30° | 41° | 2.54" | — |
| 1992 | 72° | 41° | 56° | — | — |
| 1991 | 38° | 24° | 31° | — | — |
| 1990 | 70° | 29° | 49° | — | — |
| 1989 | 57° | 26° | 42° | — | — |
| 1988 | 76° | 33° | 54° | — | — |
| 1987 | 39° | 26° | 33° | 0.25" | — |
| 1986 | 54° | 24° | 39° | — | — |
| 1985 | 72° | 35° | 53° | — | — |
| 1984 | 60° | 32° | 46° | — | — |
| 1983 | 35° | 24° | 30° | 0.46" | 0.5" |
| 1982 | 71° | 41° | 56° | — | — |
| 1981 | 76° | 46° | 61° | — | — |
| 1980 | 45° | 24° | 34° | — | — |
| 1979 | 51° | 28° | 40° | — | — |
| 1978 | 60° | 32° | 46° | — | — |
| 1977 | 52° | 38° | 45° | — | — |
| 1976 | 78° | 39° | 59° | — | — |
| 1975 | 43° | 27° | 35° | — | — |
| 1974 | 60° | 31° | 45° | 2.13" | 0.5" |
| 1973 | 60° | 30° | 45° | — | — |
| 1972 | 64° | 32° | 48° | — | — |
| 1971 | 69° | 33° | 51° | 0.25" | — |
55 years of data from LONGMONT 2 ESE