Weather on January 3
Boulder, CO
55 Years of Data
About This Date
January 3rd in Boulder, CO typically brings chilly winter weather, with average highs around 44°F and lows near 19°F — a 25°F daily swing. Over 56 years of records, the warmest January 3rd was in 1997 (53°F average), while the coldest was 1974 (1°F) — a 52°F range across recorded history. Precipitation has occurred on 23% of recorded January 3rd dates, with snow falling 20% of the time (heaviest snowfall: 4"). 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 January 3rd in Boulder, CO? Bring layers as temperatures can vary throughout the day. Check road conditions if traveling, as snow is possible.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 64° | 34° | 49° | — | — |
| 2025 | 50° | 23° | 37° | — | — |
| 2024 | 46° | 25° | 36° | — | — |
| 2023 | 28° | 16° | 22° | — | — |
| 2022 | 51° | 22° | 36° | — | — |
| 2021 | 54° | 37° | 45° | — | — |
| 2020 | 46° | 32° | 39° | — | — |
| 2019 | 52° | 21° | 37° | — | — |
| 2018 | 50° | 20° | 35° | — | — |
| 2017 | 27° | 10° | 18° | — | — |
| 2016 | 50° | 19° | 35° | — | — |
| 2015 | 35° | 15° | 25° | 0.08" | 0.7" |
| 2014 | 63° | 27° | 45° | — | — |
| 2013 | 39° | 9° | 24° | — | — |
| 2012 | 57° | 29° | 43° | — | — |
| 2011 | 36° | 16° | 26° | — | — |
| 2010 | 39° | 22° | 30° | 0.03" | 0.3" |
| 2009 | 49° | 23° | 36° | 0.03" | 0.1" |
| 2008 | 57° | 24° | 41° | — | — |
| 2007 | 58° | 26° | 42° | — | — |
| 2006 | 59° | 37° | 48° | 0.08" | — |
| 2005 | 35° | 13° | 24° | — | — |
| 2004 | 34° | 24° | 29° | 0.58" | 3.6" |
| 2003 | 63° | 41° | 52° | — | — |
| 2002 | 56° | 14° | 35° | — | — |
| 2001 | 57° | 28° | 43° | — | — |
| 2000 | 36° | 19° | 27° | 0.2" | 2.2" |
| 1999 | 27° | 7° | 17° | 0.08" | 1.1" |
| 1998 | 58° | 24° | 41° | — | — |
| 1997warmest | 68° | 37° | 53° | 0.08" | — |
| 1996 | 49° | 15° | 32° | — | — |
| 1995 | 22° | 2° | 12° | 0.1" | 2.4" |
| 1994 | 51° | 29° | 40° | — | — |
| 1993 | 45° | 19° | 32° | 0.13" | 0.7" |
| 1992 | 50° | 31° | 40° | — | — |
| 1991 | 23° | 14° | 19° | — | — |
| 1990 | 55° | 13° | 34° | — | — |
| 1989 | 60° | 37° | 49° | — | — |
| 1988 | 33° | 3° | 18° | — | — |
| 1987 | 51° | 24° | 38° | — | — |
| 1986 | 54° | 24° | 39° | — | — |
| 1985 | 48° | 22° | 35° | — | — |
| 1984 | 56° | 20° | 38° | — | — |
| 1983 | 35° | 1° | 18° | — | — |
| 1982 | 30° | 15° | 23° | — | — |
| 1981 | 57° | 27° | 42° | — | — |
| 1980 | 43° | 14° | 28° | — | — |
| 1979 | 31° | 10° | 20° | — | — |
| 1978 | 54° | 24° | 39° | — | — |
| 1977 | 41° | 19° | 30° | — | — |
| 1976 | 18° | 1° | 9° | — | — |
| 1975 | 43° | 9° | 26° | — | — |
| 1974coldest | 9° | -7° | 1° | — | — |
| 1973 | 31° | 14° | 22° | 0.05" | 1" |
| 1972 | 40° | 3° | 21° | 0.99" | 4" |
| 1971 | 15° | 5° | 10° | 0.38" | 2" |