Weather on March 16
Longmont, CO
55 Years of Data
Avg High
56°F
Avg Low
28°F
Warmest
2017
64°F avg
Coldest
2021
25°F avg
About This Date
March 16th in Longmont, CO typically brings cool spring weather, with average highs around 56°F and lows near 28°F — a 28°F daily swing. Over 56 years of records, the warmest March 16th was in 2017 (64°F average), while the coldest was 2021 (25°F) — a 39°F range across recorded history. Precipitation has occurred on 13% of recorded March 16th dates, with snow falling 7% of the time (heaviest snowfall: 4.5"). The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for March 16th in Longmont, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 45° | 19° | 32° | — | — |
| 2025 | 48° | 29° | 38° | — | — |
| 2024 | 40° | 26° | 33° | — | — |
| 2023 | 72° | 28° | 50° | 0.2" | 0.7" |
| 2022 | 70° | 29° | 49° | — | — |
| 2021coldest | 32° | 18° | 25° | — | — |
| 2020 | 52° | 30° | 41° | — | — |
| 2019 | 47° | 16° | 31° | — | — |
| 2018 | 67° | 32° | 49° | 0.38" | — |
| 2017warmest | 77° | 50° | 64° | — | — |
| 2016 | 47° | 25° | 36° | — | — |
| 2015 | 80° | 45° | 62° | — | — |
| 2014 | 65° | 23° | 44° | — | — |
| 2013 | 69° | 40° | 54° | — | — |
| 2012 | 74° | 41° | 57° | — | — |
| 2011 | 75° | 40° | 57° | — | — |
| 2010 | 63° | 29° | 46° | — | — |
| 2009 | 70° | 41° | 55° | — | — |
| 2008 | 47° | 23° | 35° | 0.23" | 0.3" |
| 2007 | 69° | 27° | 48° | — | — |
| 2006 | 50° | 24° | 37° | — | — |
| 2005 | 50° | 23° | 37° | — | — |
| 2004 | 54° | 31° | 42° | — | — |
| 2003 | 70° | 39° | 54° | — | — |
| 2002 | 36° | 19° | 27° | — | — |
| 2001 | 49° | 15° | 32° | — | — |
| 2000 | 40° | 22° | 31° | 1.85" | 4.5" |
| 1999 | 71° | 26° | 49° | — | — |
| 1998 | 62° | 28° | 45° | — | — |
| 1997 | 42° | 18° | 30° | — | — |
| 1996 | — | 30° | — | — | — |
| 1995 | 73° | 35° | 54° | — | — |
| 1994 | 72° | 28° | 50° | — | — |
| 1993 | 63° | 36° | 49° | — | — |
| 1992 | 63° | 31° | 47° | — | — |
| 1991 | 38° | 27° | 32° | — | — |
| 1990 | 48° | 25° | 36° | — | — |
| 1989 | 56° | 24° | 40° | — | — |
| 1988 | 41° | 20° | 30° | — | — |
| 1987 | 47° | 32° | 39° | 0.97" | 1" |
| 1986 | 50° | 31° | 40° | — | — |
| 1985 | 56° | 30° | 43° | — | — |
| 1984 | 59° | 31° | 45° | — | — |
| 1983 | 36° | 28° | 32° | 1.63" | — |
| 1982 | 63° | 29° | 46° | — | — |
| 1981 | 63° | 26° | 44° | — | — |
| 1980 | 67° | 28° | 47° | — | — |
| 1979 | 60° | 27° | 43° | — | — |
| 1978 | 44° | 17° | 31° | — | — |
| 1977 | 49° | 18° | 33° | — | — |
| 1976 | 42° | 20° | 31° | — | — |
| 1975 | 50° | 22° | 36° | — | — |
| 1974 | 51° | 24° | 38° | — | — |
| 1973 | 46° | 20° | 33° | 0.08" | — |
| 1972 | 63° | 29° | 46° | — | — |
| 1971 | 51° | 20° | 35° | — | — |
56 years of data from LONGMONT 2 ESE