Weather on March 17
Boulder, CO
55 Years of Data
Avg High
57°F
Avg Low
32°F
Warmest
2025
61°F avg
Coldest
1988
22°F avg
About This Date
March 17th in Boulder, CO typically brings cool spring weather, with average highs around 57°F and lows near 32°F — a 25°F daily swing. Over 56 years of records, the warmest March 17th was in 2025 (61°F average), while the coldest was 1988 (22°F) — a 39°F range across recorded history. Precipitation has occurred on 20% of recorded March 17th dates, with snow falling 14% of the time (heaviest snowfall: 5.6"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 17th in Boulder, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 72° | 32° | 52° | — | — |
| 2025warmest | 70° | 52° | 61° | — | — |
| 2024 | 46° | 36° | 41° | — | — |
| 2023 | 43° | 21° | 32° | — | — |
| 2022 | 36° | 32° | 34° | — | — |
| 2021 | 43° | 28° | 36° | — | — |
| 2020 | 54° | 36° | 45° | — | — |
| 2019 | 52° | 28° | 40° | — | — |
| 2018 | 61° | 32° | 46° | — | — |
| 2017 | 70° | 41° | 55° | — | — |
| 2016 | 40° | 28° | 34° | 0.81" | 3.4" |
| 2015 | 69° | 39° | 54° | — | — |
| 2014 | 68° | 44° | 56° | — | — |
| 2013 | 58° | 32° | 45° | — | — |
| 2012 | 74° | 43° | 58° | — | — |
| 2011 | 72° | 43° | 57° | — | — |
| 2010 | 69° | 34° | 51° | — | — |
| 2009 | 73° | 43° | 58° | — | — |
| 2008 | 36° | 27° | 31° | 1.24" | 5.5" |
| 2007 | 74° | 45° | 59° | — | — |
| 2006 | 47° | 21° | 34° | — | — |
| 2005 | 53° | 35° | 44° | — | — |
| 2004 | 68° | 43° | 55° | — | — |
| 2003 | 58° | 41° | 49° | 0.66" | — |
| 2002 | 43° | 18° | 30° | — | — |
| 2001 | 39° | 27° | 33° | 0.58" | 2.3" |
| 2000 | 46° | 20° | 33° | — | — |
| 1999 | 65° | 30° | 47° | — | — |
| 1998 | 56° | 30° | 43° | — | — |
| 1997 | 68° | 44° | 56° | — | — |
| 1996 | 44° | 28° | 36° | 0.18" | 1.2" |
| 1995 | 61° | 35° | 48° | 0.28" | — |
| 1994 | 65° | 51° | 58° | — | — |
| 1993 | 33° | 23° | 28° | 0.05" | 0.3" |
| 1992 | 58° | 35° | 46° | — | — |
| 1991 | 56° | 25° | 40° | — | — |
| 1990 | 52° | 22° | 37° | — | — |
| 1989 | 63° | 25° | 44° | — | — |
| 1988coldest | 33° | 10° | 22° | 0.64" | 5.6" |
| 1987 | 41° | 27° | 34° | 0.15" | 0.2" |
| 1986 | 44° | 36° | 40° | 0.13" | — |
| 1985 | 65° | 26° | 45° | — | — |
| 1984 | 59° | 27° | 43° | — | — |
| 1983 | 41° | 24° | 33° | 0.18" | 0.5" |
| 1982 | 62° | 34° | 48° | — | — |
| 1981 | 60° | 28° | 44° | — | — |
| 1980 | 51° | 15° | 33° | — | — |
| 1979 | 63° | 40° | 51° | — | — |
| 1978 | 66° | 29° | 47° | — | — |
| 1977 | 55° | 34° | 44° | — | — |
| 1976 | 64° | 32° | 48° | — | — |
| 1975 | 60° | 35° | 48° | — | — |
| 1974 | 73° | 45° | 59° | — | — |
| 1973 | 63° | 23° | 43° | — | — |
| 1972 | 68° | 51° | 60° | — | — |
| 1971 | 55° | 28° | 42° | — | — |
56 years of data from BOULDER MUNI AP