Weather on March 12
Longmont, CO
55 Years of Data
Avg High
56°F
Avg Low
27°F
Warmest
2020
60°F avg
Coldest
2022
16°F avg
About This Date
March 12th in Longmont, CO typically brings cool spring weather, with average highs around 56°F and lows near 27°F — a 29°F daily swing. Over 56 years of records, the warmest March 12th was in 2020 (60°F average), while the coldest was 2022 (16°F) — a 44°F range across recorded history. Precipitation has occurred on 20% of recorded March 12th dates, with snow falling 7% of the time (heaviest snowfall: 4.4"). The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for March 12th in Longmont, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 52° | 28° | 40° | — | — |
| 2025 | 66° | 35° | 51° | — | — |
| 2024 | 65° | 31° | 48° | — | — |
| 2023 | 59° | 25° | 42° | — | — |
| 2022coldest | 32° | 0° | 16° | — | — |
| 2021 | 48° | 28° | 38° | 0.1" | — |
| 2020warmest | 78° | 41° | 60° | — | — |
| 2019 | 52° | 26° | 39° | — | — |
| 2018 | 52° | 20° | 36° | — | — |
| 2017 | 62° | 32° | 47° | — | — |
| 2016 | 69° | 36° | 52° | — | — |
| 2015 | 65° | 41° | 53° | — | — |
| 2014 | 52° | 18° | 35° | — | — |
| 2013 | 35° | 24° | 30° | 0.86" | 4.4" |
| 2012 | 68° | 43° | 55° | — | — |
| 2011 | 62° | 28° | 45° | — | — |
| 2010 | 57° | 29° | 43° | — | — |
| 2009 | 48° | 15° | 32° | — | — |
| 2008 | 62° | 27° | 44° | — | — |
| 2007 | 73° | 39° | 56° | — | — |
| 2006 | 31° | 23° | 27° | 0.46" | 2.5" |
| 2005 | 66° | 52° | 59° | — | — |
| 2004 | 58° | 26° | 42° | — | — |
| 2003 | 70° | 37° | 53° | — | — |
| 2002 | 58° | 27° | 42° | — | — |
| 2001 | 30° | 13° | 21° | 0.2" | — |
| 2000 | 61° | 16° | 38° | — | — |
| 1999 | 46° | 19° | 33° | 0.43" | 1" |
| 1998 | 30° | 6° | 18° | — | — |
| 1997 | 75° | 29° | 52° | — | — |
| 1996 | 75° | 31° | 53° | — | — |
| 1995 | 72° | 42° | 57° | — | — |
| 1994 | 63° | 30° | 46° | — | — |
| 1993 | 32° | 11° | 21° | 0.25" | — |
| 1992 | 54° | 16° | 35° | — | — |
| 1991 | 64° | 29° | 46° | 0.2" | — |
| 1990 | 63° | 28° | 45° | — | — |
| 1989 | 72° | 30° | 51° | — | — |
| 1988 | 37° | 15° | 26° | — | — |
| 1987 | 54° | 26° | 40° | — | — |
| 1986 | 49° | 29° | 39° | 0.23" | — |
| 1985 | 51° | 30° | 41° | 0.03" | — |
| 1984 | 51° | 25° | 38° | — | — |
| 1983 | 67° | 29° | 48° | — | — |
| 1982 | 71° | 30° | 51° | — | — |
| 1981 | 50° | 25° | 37° | — | — |
| 1980 | 50° | 30° | 40° | — | — |
| 1979 | 66° | 26° | 46° | — | — |
| 1978 | 56° | 27° | 41° | — | — |
| 1977 | 38° | 21° | 29° | — | — |
| 1976 | 55° | 17° | 36° | 0.08" | 0.5" |
| 1975 | 34° | 11° | 22° | 0.1" | — |
| 1974 | 60° | 26° | 43° | — | — |
| 1973 | 64° | 27° | 45° | — | — |
| 1972 | 75° | 40° | 57° | — | — |
| 1971 | 50° | 31° | 40° | — | — |
56 years of data from LONGMONT 2 ESE