Weather on March 19
Boulder, CO
55 Years of Data
Avg High
56°F
Avg Low
31°F
Warmest
2026
72°F avg
Coldest
1983
23°F avg
About This Date
March 19th in Boulder, CO typically brings cool spring weather, with average highs around 56°F and lows near 31°F — a 25°F daily swing. Over 56 years of records, the warmest March 19th was in 2026 (72°F average), while the coldest was 1983 (23°F) — a 49°F range across recorded history. Precipitation has occurred on 21% of recorded March 19th dates, with snow falling 18% of the time (heaviest snowfall: 12.3"). The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for March 19th in Boulder, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 84° | 59° | 72° | — | — |
| 2025 | 46° | 30° | 38° | — | — |
| 2024 | 63° | 36° | 49° | — | — |
| 2023 | 55° | 21° | 38° | — | — |
| 2022 | 61° | 32° | 46° | — | — |
| 2021 | 55° | 30° | 43° | — | — |
| 2020 | 43° | 27° | 35° | — | — |
| 2019 | 46° | 32° | 39° | — | — |
| 2018 | 43° | 32° | 37° | — | — |
| 2017 | 78° | 53° | 66° | — | — |
| 2016 | 39° | 15° | 27° | 0.13" | 1.1" |
| 2015 | 61° | 40° | 50° | 0.05" | — |
| 2014 | 57° | 21° | 39° | — | — |
| 2013 | 55° | 37° | 46° | — | — |
| 2012 | 55° | 31° | 43° | — | — |
| 2011 | 72° | 29° | 50° | — | — |
| 2010 | 51° | 23° | 37° | 2.59" | 12.3" |
| 2009 | 66° | 30° | 48° | — | — |
| 2008 | 61° | 33° | 47° | — | — |
| 2007 | 70° | 37° | 53° | — | — |
| 2006 | 44° | 32° | 38° | 0.74" | 0.5" |
| 2005 | 57° | 23° | 40° | — | — |
| 2004 | 77° | 45° | 61° | — | — |
| 2003 | 42° | 32° | 37° | 4.98" | 10.8" |
| 2002 | 51° | 19° | 35° | 0.38" | 2" |
| 2001 | 62° | 26° | 44° | — | — |
| 2000 | 64° | 24° | 44° | — | — |
| 1999 | 57° | 29° | 43° | — | — |
| 1998 | 37° | 16° | 26° | 0.3" | 3.9" |
| 1997 | 74° | 43° | 58° | — | — |
| 1996 | 43° | 19° | 31° | — | — |
| 1995 | 65° | 45° | 55° | — | — |
| 1994 | 76° | 46° | 61° | — | — |
| 1993 | 60° | 36° | 48° | — | — |
| 1992 | 42° | 31° | 36° | 0.08" | 0.1" |
| 1991 | 58° | 26° | 42° | — | — |
| 1990 | 43° | 24° | 33° | — | — |
| 1989 | 64° | 32° | 48° | — | — |
| 1988 | 67° | 36° | 51° | — | — |
| 1987 | 58° | 28° | 43° | — | — |
| 1986 | 40° | 24° | 32° | — | — |
| 1985 | 57° | 40° | 48° | — | — |
| 1984 | 55° | 25° | 40° | — | — |
| 1983coldest | 31° | 15° | 23° | 0.43" | 3" |
| 1982 | 49° | 35° | 42° | — | — |
| 1981 | 50° | 28° | 39° | — | — |
| 1980 | 62° | 39° | 51° | — | — |
| 1979 | 39° | 31° | 35° | 0.15" | — |
| 1978 | 66° | 34° | 50° | — | — |
| 1977 | 46° | 18° | 32° | — | — |
| 1976 | 65° | 34° | 49° | — | — |
| 1975 | 69° | 39° | 54° | — | — |
| 1974 | 50° | 27° | 38° | 0.74" | 2.2" |
| 1973 | 47° | 32° | 39° | 1.6" | 2.2" |
| 1972 | 58° | 47° | 52° | — | — |
| 1971 | 49° | 19° | 34° | — | — |
56 years of data from BOULDER MUNI AP