Weather on February 15
Longmont, CO
55 Years of Data
About This Date
February 15th in Longmont, CO typically brings chilly winter weather, with average highs around 48°F and lows near 18°F — a 30°F daily swing. Over 56 years of records, the warmest February 15th was in 1986 (53°F average), while the coldest was 2021 (-4°F) — a 57°F range across recorded history. Precipitation has occurred on 21% of recorded February 15th dates, with snow falling 18% of the time (heaviest snowfall: 4"). The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for February 15th in Longmont, CO? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 61° | 27° | 44° | — | — |
| 2025 | 45° | 18° | 31° | — | — |
| 2024 | 52° | 25° | 38° | — | — |
| 2023 | 51° | 13° | 32° | 0.2" | 1.5" |
| 2022 | 50° | 23° | 37° | — | — |
| 2021coldest | 3° | -11° | -4° | — | — |
| 2020 | 53° | 10° | 32° | — | — |
| 2019 | 59° | 21° | 40° | — | — |
| 2018 | 65° | 29° | 47° | — | — |
| 2017 | 67° | 26° | 46° | — | — |
| 2016 | 58° | 33° | 45° | — | — |
| 2015 | 59° | 30° | 45° | 0.28" | 1.4" |
| 2014 | 57° | 29° | 43° | — | — |
| 2013 | 41° | 11° | 26° | 0.08" | 0.7" |
| 2012 | 37° | 23° | 30° | — | — |
| 2011 | 64° | 36° | 50° | — | — |
| 2010 | 36° | 8° | 22° | — | — |
| 2009 | 48° | 16° | 32° | — | — |
| 2008 | 42° | 12° | 27° | — | — |
| 2007 | 32° | 3° | 18° | 0.05" | 0.9" |
| 2006 | 40° | 24° | 32° | 0.03" | 0.1" |
| 2005 | 49° | 25° | 37° | 0.66" | 2.7" |
| 2004 | 51° | 15° | 33° | — | — |
| 2003 | 55° | 23° | 39° | — | — |
| 2002 | 48° | 2° | 25° | 0.33" | 0.1" |
| 2001 | 22° | -5° | 8° | — | — |
| 2000 | 69° | 28° | 49° | — | — |
| 1999 | 68° | 12° | 40° | — | — |
| 1998 | 49° | 26° | 37° | — | — |
| 1997 | 54° | 15° | 34° | — | — |
| 1996 | 48° | 14° | 31° | — | — |
| 1995 | 45° | 0° | 22° | — | — |
| 1994 | 52° | 15° | 33° | — | — |
| 1993 | 33° | 7° | 20° | 0.38" | 2" |
| 1992 | 56° | 20° | 38° | — | — |
| 1991 | 48° | 25° | 36° | — | — |
| 1990 | 15° | -5° | 5° | 0.25" | 2" |
| 1989 | 34° | 11° | 22° | — | — |
| 1988 | 44° | 19° | 32° | — | — |
| 1987 | 43° | 24° | 33° | 0.58" | — |
| 1986warmest | 63° | 43° | 53° | — | — |
| 1985 | 50° | 18° | 34° | — | — |
| 1984 | 46° | 30° | 38° | — | — |
| 1983 | 49° | 24° | 36° | — | — |
| 1982 | 62° | 29° | 45° | — | — |
| 1981 | 61° | 23° | 42° | — | — |
| 1980 | 25° | 17° | 21° | — | — |
| 1979 | 65° | 16° | 40° | — | — |
| 1978 | 24° | 10° | 17° | — | — |
| 1977 | 39° | 14° | 27° | 0.03" | — |
| 1976 | 64° | 27° | 45° | — | — |
| 1975 | 46° | 13° | 29° | 1.47" | 4" |
| 1974 | 49° | 22° | 35° | — | — |
| 1973 | 34° | 16° | 25° | — | — |
| 1972 | 47° | 14° | 30° | — | — |
| 1971 | 57° | 25° | 41° | — | — |
Longmont, CO Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Longmont, CO Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Longmont, CO Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Longmont, CO
Longmont, CO has no months that meet our "pleasant" threshold — every season has tradeoffs.