Weather on November 15
Longmont, CO
55 Years of Data
Avg High
53°F
Avg Low
25°F
Warmest
2016
64°F avg
Coldest
1997
17°F avg
About This Date
November 15th in Longmont, CO typically brings cool fall weather, with average highs around 53°F and lows near 25°F — a 28°F daily swing. Over 55 years of records, the warmest November 15th was in 2016 (64°F average), while the coldest was 1997 (17°F) — a 47°F range across recorded history. Precipitation has occurred on 18% of recorded November 15th dates, with snow falling 15% of the time (heaviest snowfall: 8.3"). The last decade has been 11.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 11.7°F warmer on this date compared to 20-30 years ago.
Planning for November 15th in Longmont, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 47° | 62° | — | — |
| 2024 | 61° | 27° | 44° | — | — |
| 2023 | 72° | 32° | 52° | — | — |
| 2022 | 37° | 18° | 27° | 0.36" | 3.5" |
| 2021 | 70° | 33° | 51° | — | — |
| 2020 | 47° | 25° | 36° | — | — |
| 2019 | 55° | 31° | 43° | — | — |
| 2018 | 64° | 25° | 44° | — | — |
| 2017 | 72° | 28° | 50° | — | — |
| 2016warmest | 79° | 49° | 64° | — | — |
| 2015 | 66° | 29° | 47° | — | — |
| 2014 | 25° | 11° | 18° | 0.13" | 2.2" |
| 2013 | 65° | 33° | 49° | — | — |
| 2012 | 44° | 30° | 37° | — | — |
| 2011 | 54° | 40° | 47° | — | — |
| 2010 | 43° | 27° | 35° | 0.03" | 0.1" |
| 2009 | 32° | 26° | 29° | 2.08" | 8.3" |
| 2008 | 52° | 18° | 35° | — | — |
| 2007 | 59° | 20° | 39° | — | — |
| 2006 | 48° | 21° | 35° | — | — |
| 2005 | 40° | 15° | 27° | 0.15" | 0.7" |
| 2004 | 46° | 24° | 35° | — | — |
| 2003 | 58° | 24° | 41° | — | — |
| 2002 | 44° | 28° | 36° | — | — |
| 2001 | 68° | 24° | 46° | — | — |
| 2000 | 35° | 0° | 18° | — | — |
| 1999 | 74° | 40° | 57° | — | — |
| 1998 | 68° | 33° | 51° | — | — |
| 1997coldest | 25° | 9° | 17° | — | — |
| 1996 | 34° | 22° | 28° | — | — |
| 1995 | 70° | 26° | 48° | — | — |
| 1994 | 42° | 4° | 23° | — | — |
| 1993 | 34° | 4° | 19° | 0.2" | — |
| 1992 | 52° | 23° | 37° | — | — |
| 1991 | 50° | 27° | 38° | 0.18" | — |
| 1990 | 75° | 40° | 57° | — | — |
| 1989 | 51° | 20° | 35° | — | — |
| 1988 | 71° | 22° | 46° | 0.3" | 1" |
| 1987 | 52° | 28° | 40° | 2.13" | 1" |
| 1986 | 64° | 24° | 44° | — | — |
| 1985 | 39° | 18° | 28° | 0.13" | 0.5" |
| 1984 | 54° | 21° | 37° | — | — |
| 1983 | 50° | 23° | 37° | — | — |
| 1982 | 41° | 15° | 28° | — | — |
| 1981 | 72° | 36° | 54° | — | — |
| 1980 | 34° | 20° | 27° | — | — |
| 1979 | 50° | 23° | 37° | — | — |
| 1978 | 27° | 21° | 24° | — | — |
| 1977 | 67° | 37° | 52° | — | — |
| 1976 | 50° | 18° | 34° | — | — |
| 1975 | 70° | 27° | 48° | — | — |
| 1974 | 38° | 17° | 27° | — | — |
| 1973 | 56° | 27° | 41° | — | — |
| 1972 | 31° | 16° | 23° | — | — |
| 1971 | 55° | 22° | 38° | — | — |
55 years of data from LONGMONT 2 ESE