Weather on April 11
Longmont, CO
55 Years of Data
About This Date
April 11th in Longmont, CO typically brings mild spring weather, with average highs around 61°F and lows near 32°F — a 29°F daily swing. Over 56 years of records, the warmest April 11th was in 1992 (61°F average), while the coldest was 1997 (15°F) — a 46°F range across recorded history. Precipitation has occurred on 27% of recorded April 11th dates, with snow falling 14% of the time (heaviest snowfall: 4"). The last decade has been 7.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.6°F warmer on this date compared to 20-30 years ago.
Planning for April 11th in Longmont, CO? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 62° | 36° | 49° | — | — |
| 2025 | 72° | 37° | 54° | — | — |
| 2024 | 61° | 38° | 49° | — | — |
| 2023 | 79° | 38° | 58° | — | — |
| 2022 | 54° | 28° | 41° | — | — |
| 2021 | 73° | 34° | 53° | — | — |
| 2020 | 78° | 39° | 59° | — | — |
| 2019 | 42° | 19° | 31° | 1.4" | 3.1" |
| 2018 | 75° | 36° | 55° | — | — |
| 2017 | 67° | 29° | 48° | — | — |
| 2016 | 56° | 38° | 47° | 0.51" | — |
| 2015 | 70° | 34° | 52° | — | — |
| 2014 | 76° | 43° | 59° | — | — |
| 2013 | 55° | 17° | 36° | — | — |
| 2012 | 70° | 44° | 57° | — | — |
| 2011 | 64° | 31° | 47° | — | — |
| 2010 | 69° | 33° | 51° | — | — |
| 2009 | 58° | 32° | 45° | — | — |
| 2008 | 46° | 31° | 38° | — | — |
| 2007 | 50° | 32° | 41° | — | — |
| 2006 | 74° | 46° | 60° | — | — |
| 2005 | 48° | 29° | 38° | 0.81" | 4" |
| 2004 | 37° | 21° | 29° | 0.99" | 2" |
| 2003 | 77° | 33° | 55° | — | — |
| 2002 | 76° | 35° | 55° | 0.23" | — |
| 2001 | 44° | 26° | 35° | 4.06" | 4" |
| 2000 | 67° | 32° | 49° | — | — |
| 1999 | 58° | 15° | 36° | — | — |
| 1998 | 65° | 27° | 46° | — | — |
| 1997coldest | 24° | 7° | 15° | 0.33" | 1" |
| 1996 | 83° | 39° | 61° | — | — |
| 1995 | 32° | 19° | 26° | 0.36" | — |
| 1994 | 38° | 27° | 32° | 0.18" | — |
| 1993 | 64° | 30° | 47° | — | — |
| 1992warmest | 80° | 42° | 61° | — | — |
| 1991 | 61° | 29° | 45° | 0.41" | 2" |
| 1990 | 37° | 30° | 34° | — | — |
| 1989 | 44° | 8° | 26° | — | — |
| 1988 | 56° | 18° | 37° | — | — |
| 1987 | 69° | 35° | 52° | — | — |
| 1986 | 66° | 35° | 51° | 0.18" | — |
| 1985 | 79° | 34° | 56° | — | — |
| 1984 | 63° | 35° | 49° | 0.25" | — |
| 1983 | 67° | 33° | 50° | — | — |
| 1982 | 68° | 44° | 56° | — | — |
| 1981 | 69° | 40° | 54° | — | — |
| 1980 | 60° | 32° | 46° | — | — |
| 1979 | 50° | 31° | 40° | 3.33" | 2" |
| 1978 | 37° | 25° | 31° | 0.23" | — |
| 1977 | 82° | 34° | 58° | — | — |
| 1976 | 71° | 43° | 57° | — | — |
| 1975 | 42° | 30° | 36° | 1.12" | 4" |
| 1974 | 58° | 36° | 47° | — | — |
| 1973 | 46° | 23° | 35° | — | — |
| 1972 | 74° | 44° | 59° | — | — |
| 1971 | 81° | 35° | 58° | — | — |
Longmont, CO Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Longmont, CO Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Longmont, CO Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Longmont, CO
Longmont, CO has no months that meet our "pleasant" threshold — every season has tradeoffs.