Weather on March 13
Longmont, CO
55 Years of Data
Avg High
57°F
Avg Low
26°F
Warmest
2007
58°F avg
Coldest
1988
19°F avg
About This Date
March 13th in Longmont, CO typically brings cool spring weather, with average highs around 57°F and lows near 26°F — a 31°F daily swing. Over 56 years of records, the warmest March 13th was in 2007 (58°F average), while the coldest was 1988 (19°F) — a 39°F range across recorded history. Precipitation has occurred on 13% of recorded March 13th dates, with snow falling 7% of the time (heaviest snowfall: 8.4"). 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 13th in Longmont, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 67° | 42° | 54° | — | — |
| 2025 | 69° | 34° | 51° | — | — |
| 2024 | 62° | 31° | 46° | — | — |
| 2023 | 42° | 20° | 31° | — | — |
| 2022 | 60° | 3° | 32° | — | — |
| 2021 | 47° | 34° | 40° | — | — |
| 2020 | 45° | 32° | 38° | — | — |
| 2019 | 60° | 29° | 44° | 0.41" | — |
| 2018 | 58° | 23° | 40° | — | — |
| 2017 | 58° | 26° | 42° | — | — |
| 2016 | 66° | 46° | 56° | — | — |
| 2015 | 57° | 44° | 51° | — | — |
| 2014 | 61° | 26° | 43° | — | — |
| 2013 | 65° | 25° | 45° | — | — |
| 2012 | 73° | 43° | 58° | — | — |
| 2011 | 57° | 38° | 47° | 0.3" | — |
| 2010 | 60° | 27° | 43° | — | — |
| 2009 | 50° | 20° | 35° | — | — |
| 2008 | 58° | 32° | 45° | — | — |
| 2007warmest | 75° | 41° | 58° | — | — |
| 2006 | 39° | 13° | 26° | 0.43" | 2.8" |
| 2005 | 52° | 24° | 38° | 2.03" | 8.4" |
| 2004 | 68° | 30° | 49° | — | — |
| 2003 | 73° | 35° | 54° | — | — |
| 2002 | 70° | 29° | 49° | — | — |
| 2001 | 55° | 20° | 37° | — | — |
| 2000 | 50° | 20° | 35° | — | — |
| 1999 | 34° | 11° | 22° | 0.25" | 1" |
| 1998 | 56° | 17° | 36° | — | — |
| 1997 | 76° | 24° | 50° | — | — |
| 1996 | 67° | 25° | 46° | — | — |
| 1995 | 65° | 32° | 48° | — | — |
| 1994 | 51° | 22° | 36° | — | — |
| 1993 | 28° | 11° | 19° | — | — |
| 1992 | 52° | 24° | 38° | — | — |
| 1991 | 65° | 23° | 44° | — | — |
| 1990 | 54° | 24° | 39° | 0.51" | — |
| 1989 | 67° | 27° | 47° | — | — |
| 1988coldest | 34° | 5° | 19° | 0.15" | 0.5" |
| 1987 | 61° | 27° | 44° | — | — |
| 1986 | 53° | 31° | 42° | — | — |
| 1985 | 53° | 23° | 38° | — | — |
| 1984 | 58° | 27° | 42° | — | — |
| 1983 | 69° | 35° | 52° | — | — |
| 1982 | 58° | 25° | 41° | — | — |
| 1981 | 55° | 27° | 41° | — | — |
| 1980 | 49° | 22° | 35° | — | — |
| 1979 | 70° | 29° | 49° | — | — |
| 1978 | 55° | 28° | 42° | — | — |
| 1977 | 56° | 22° | 39° | — | — |
| 1976 | 32° | 15° | 24° | — | — |
| 1975 | 39° | 17° | 28° | — | — |
| 1974 | 59° | 27° | 43° | — | — |
| 1973 | 64° | 30° | 47° | — | — |
| 1972 | 69° | 30° | 50° | — | — |
| 1971 | 65° | 33° | 49° | — | — |
56 years of data from LONGMONT 2 ESE