Weather on November 9
Longmont, CO
55 Years of Data
Avg High
55°F
Avg Low
27°F
Warmest
2014
59°F avg
Coldest
1985
24°F avg
About This Date
November 9th in Longmont, CO typically brings cool fall weather, with average highs around 55°F and lows near 27°F — a 28°F daily swing. Over 55 years of records, the warmest November 9th was in 2014 (59°F average), while the coldest was 1985 (24°F) — a 35°F range across recorded history. Precipitation has occurred on 20% of recorded November 9th dates, with snow falling 9% of the time (heaviest snowfall: 9"). The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for November 9th in Longmont, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 58° | 23° | 40° | — | — |
| 2024 | 35° | 32° | 34° | 1.83" | 2" |
| 2023 | 45° | 27° | 36° | — | — |
| 2022 | 68° | 26° | 47° | — | — |
| 2021 | 50° | 28° | 39° | — | — |
| 2020 | 59° | 34° | 46° | — | — |
| 2019 | 69° | 25° | 47° | — | — |
| 2018 | 41° | 17° | 29° | — | — |
| 2017 | 45° | 28° | 36° | — | — |
| 2016 | 72° | 32° | 52° | — | — |
| 2015 | 61° | 30° | 45° | — | — |
| 2014warmest | 73° | 45° | 59° | — | — |
| 2013 | 61° | 36° | 48° | — | — |
| 2012 | 60° | 32° | 46° | — | — |
| 2011 | 46° | 20° | 33° | — | — |
| 2010 | 54° | 33° | 43° | 0.71" | 0.3" |
| 2009 | 56° | 35° | 45° | — | — |
| 2008 | 56° | 29° | 42° | — | — |
| 2007 | 68° | 37° | 53° | — | — |
| 2006 | 69° | 38° | 53° | — | — |
| 2005 | 62° | 30° | 46° | — | — |
| 2004 | 67° | 37° | 52° | — | — |
| 2003 | 53° | 28° | 41° | — | — |
| 2002 | 65° | 41° | 53° | — | — |
| 2001 | 50° | 15° | 33° | — | — |
| 2000 | 45° | 18° | 31° | — | — |
| 1999 | 80° | 33° | 57° | — | — |
| 1998 | 40° | 25° | 32° | 0.2" | — |
| 1997 | 50° | 25° | 37° | 0.36" | — |
| 1996 | 55° | 26° | 41° | — | — |
| 1995 | 70° | 27° | 48° | — | — |
| 1994 | 37° | 27° | 32° | 0.51" | — |
| 1993 | 51° | 15° | 33° | — | — |
| 1992 | 59° | 24° | 42° | — | — |
| 1991 | 63° | 25° | 44° | — | — |
| 1990 | 51° | 16° | 33° | — | — |
| 1989 | 59° | 29° | 44° | — | — |
| 1988 | 62° | 24° | 43° | 0.08" | — |
| 1987 | 56° | 25° | 40° | — | — |
| 1986 | 33° | 20° | 26° | 0.05" | — |
| 1985coldest | 36° | 13° | 24° | 2.01" | 9" |
| 1984 | 58° | 29° | 43° | — | — |
| 1983 | 36° | 16° | 26° | 1.12" | 2" |
| 1982 | 39° | 26° | 33° | — | — |
| 1981 | 50° | 23° | 37° | — | — |
| 1980 | 72° | 34° | 53° | — | — |
| 1979 | 54° | 28° | 41° | — | — |
| 1978 | 79° | 36° | 57° | — | — |
| 1977 | 37° | 17° | 27° | — | — |
| 1976 | 71° | 28° | 50° | — | — |
| 1975 | 46° | 31° | 38° | 1.17" | 1.5" |
| 1974 | 61° | 31° | 46° | — | — |
| 1973 | 37° | 31° | 34° | — | — |
| 1972 | 58° | 29° | 43° | 0.03" | — |
| 1971 | 62° | 21° | 42° | — | — |
55 years of data from LONGMONT 2 ESE