Weather on November 20
Longmont, CO
55 Years of Data
Avg High
52°F
Avg Low
23°F
Warmest
1996
53°F avg
Coldest
1985
12°F avg
About This Date
November 20th in Longmont, CO typically brings cool fall weather, with average highs around 52°F and lows near 23°F — a 29°F daily swing. Over 55 years of records, the warmest November 20th was in 1996 (53°F average), while the coldest was 1985 (12°F) — a 41°F range across recorded history. Precipitation has occurred on 13% of recorded November 20th dates, with snow falling 11% of the time (heaviest snowfall: 12"). The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for November 20th in Longmont, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
2.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 33° | 50° | — | — |
| 2024 | 41° | 20° | 30° | — | — |
| 2023 | 58° | 36° | 47° | — | — |
| 2022 | 40° | 12° | 26° | — | — |
| 2021 | 65° | 33° | 49° | — | — |
| 2020 | 65° | 33° | 49° | — | — |
| 2019 | 67° | 32° | 49° | — | — |
| 2018 | 50° | 21° | 36° | — | — |
| 2017 | 54° | 25° | 39° | — | — |
| 2016 | 71° | 28° | 50° | — | — |
| 2015 | 51° | 28° | 40° | 0.08" | 0.4" |
| 2014 | 51° | 23° | 37° | — | — |
| 2013 | 58° | 38° | 48° | — | — |
| 2012 | 68° | 32° | 50° | — | — |
| 2011 | 44° | 20° | 32° | — | — |
| 2010 | 45° | 26° | 35° | — | — |
| 2009 | 55° | 25° | 40° | — | — |
| 2008 | 50° | 27° | 38° | 0.05" | — |
| 2007 | 59° | 33° | 46° | — | — |
| 2006 | 64° | 27° | 45° | — | — |
| 2005 | 64° | 26° | 45° | — | — |
| 2004 | 53° | 29° | 41° | 0.13" | 0.1" |
| 2003 | 70° | 36° | 53° | — | — |
| 2002 | 61° | 30° | 45° | — | — |
| 2001 | 50° | 12° | 31° | — | — |
| 2000 | 42° | 12° | 27° | — | — |
| 1999 | 59° | 19° | 39° | — | — |
| 1998 | 50° | 12° | 31° | — | — |
| 1997 | 59° | 19° | 39° | — | — |
| 1996warmest | 74° | 32° | 53° | — | — |
| 1995 | 39° | 29° | 34° | — | — |
| 1994 | 35° | 21° | 28° | — | — |
| 1993 | 40° | 14° | 27° | — | — |
| 1992 | 47° | 31° | 39° | — | — |
| 1991 | 45° | 13° | 29° | — | — |
| 1990 | 65° | 27° | 46° | — | — |
| 1989 | 71° | 24° | 48° | — | — |
| 1988 | 42° | 12° | 27° | — | — |
| 1987 | 47° | 22° | 34° | — | — |
| 1986 | 59° | 28° | 44° | — | — |
| 1985coldest | 22° | 3° | 12° | — | — |
| 1984 | 50° | 15° | 33° | — | — |
| 1983 | 47° | 22° | 34° | — | — |
| 1982 | 65° | 28° | 46° | — | — |
| 1981 | 50° | 17° | 34° | — | — |
| 1980 | 50° | 22° | 36° | — | — |
| 1979 | 44° | 27° | 35° | 2.13" | 12" |
| 1978 | 27° | 15° | 21° | — | — |
| 1977 | 39° | 3° | 21° | 0.08" | 2" |
| 1976 | 61° | 26° | 43° | — | — |
| 1975 | 29° | 2° | 15° | 0.13" | 1" |
| 1974 | 52° | 21° | 36° | — | — |
| 1973 | 39° | 18° | 28° | 0.2" | 2" |
| 1972 | 43° | 21° | 32° | — | — |
| 1971 | 50° | 16° | 33° | — | — |
55 years of data from LONGMONT 2 ESE