Weather on October 12
Longmont, CO
55 Years of Data
Avg High
68°F
Avg Low
35°F
Warmest
1996
67°F avg
Coldest
2019
30°F avg
About This Date
October 12th in Longmont, CO typically brings mild fall weather, with average highs around 68°F and lows near 35°F — a 33°F daily swing. Over 55 years of records, the warmest October 12th was in 1996 (67°F average), while the coldest was 2019 (30°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 16% of October 12th dates historically, with the wettest October 12th recording 1.93" of rain. The last decade has been 3.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.9°F cooler on this date compared to 20-30 years ago.
Planning for October 12th in Longmont, CO? Great weather for outdoor activities.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 46° | 54° | 0.05" | — |
| 2024 | 68° | 45° | 56° | — | — |
| 2023 | 71° | 42° | 57° | 0.33" | — |
| 2022 | 75° | 36° | 55° | — | — |
| 2021 | 70° | 36° | 53° | — | — |
| 2020 | 74° | 38° | 56° | — | — |
| 2019coldest | 45° | 15° | 30° | — | — |
| 2018 | 43° | 34° | 38° | — | — |
| 2017 | 69° | 30° | 50° | — | — |
| 2016 | 66° | 35° | 51° | 0.41" | — |
| 2015 | 78° | 41° | 60° | — | — |
| 2014 | 67° | 44° | 55° | 0.05" | — |
| 2013 | 56° | 41° | 48° | — | — |
| 2012 | 63° | 31° | 47° | — | — |
| 2011 | 69° | 40° | 54° | — | — |
| 2010 | 57° | 41° | 49° | 1.35" | — |
| 2009 | 46° | 23° | 35° | — | — |
| 2008 | 39° | 35° | 37° | 0.81" | — |
| 2007 | 67° | 41° | 54° | — | — |
| 2006 | 62° | 35° | 49° | — | — |
| 2005 | 61° | 37° | 49° | — | — |
| 2004 | 65° | 38° | 51° | — | — |
| 2003 | 62° | 31° | 46° | — | — |
| 2002 | 83° | 29° | 56° | — | — |
| 2001 | 65° | 24° | 44° | — | — |
| 2000 | 75° | 32° | 54° | — | — |
| 1999 | 87° | 31° | 59° | — | — |
| 1998 | 70° | 29° | 49° | — | — |
| 1997 | 84° | 45° | 64° | — | — |
| 1996warmest | 90° | 44° | 67° | — | — |
| 1995 | 85° | 45° | 65° | — | — |
| 1994 | 80° | 39° | 60° | — | — |
| 1993 | 71° | 25° | 48° | — | — |
| 1992 | 84° | 38° | 61° | — | — |
| 1991 | 81° | 38° | 59° | — | — |
| 1990 | 48° | 25° | 36° | — | — |
| 1989 | 82° | 37° | 60° | — | — |
| 1988 | 78° | 32° | 55° | — | — |
| 1987 | 70° | 28° | 49° | — | — |
| 1986 | 35° | 29° | 32° | 0.13" | — |
| 1985 | 68° | 32° | 50° | — | — |
| 1984 | 75° | 36° | 55° | — | — |
| 1983 | 53° | 39° | 46° | 0.05" | — |
| 1982 | 56° | 26° | 41° | — | — |
| 1981 | 80° | 38° | 59° | — | — |
| 1980 | 69° | 35° | 52° | — | — |
| 1979 | 82° | 43° | 62° | — | — |
| 1978 | 81° | 42° | 61° | — | — |
| 1977 | 57° | 20° | 38° | — | — |
| 1976 | 74° | 39° | 56° | — | — |
| 1975 | 85° | 37° | 61° | — | — |
| 1974 | 62° | 43° | 52° | 1.93" | — |
| 1973 | 55° | 28° | 42° | — | — |
| 1972 | 67° | 38° | 52° | — | — |
| 1971 | 83° | 41° | 62° | — | — |
55 years of data from LONGMONT 2 ESE