Weather on January 6
Boulder, CO
55 Years of Data
Avg High
44°F
Avg Low
19°F
Warmest
2006
51°F avg
Coldest
1971
3°F avg
About This Date
January 6th 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 6th was in 2006 (51°F average), while the coldest was 1971 (3°F) — a 48°F range across recorded history. Precipitation has occurred on 16% of recorded January 6th dates, with snow falling 14% of the time (heaviest snowfall: 9.2"). The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for January 6th in Boulder, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 55° | 37° | 46° | — | — |
| 2025 | 37° | 18° | 27° | — | — |
| 2024 | 41° | 21° | 31° | — | — |
| 2023 | 45° | 19° | 32° | — | — |
| 2022 | 18° | 9° | 14° | — | — |
| 2021 | 43° | 23° | 33° | — | — |
| 2020 | 45° | 32° | 38° | — | — |
| 2019 | 55° | 32° | 44° | — | — |
| 2018 | 60° | 30° | 45° | — | — |
| 2017 | 32° | -3° | 15° | — | — |
| 2016 | 47° | 24° | 35° | — | — |
| 2015 | 56° | 26° | 41° | — | — |
| 2014 | 26° | -7° | 10° | 0.03" | 0.2" |
| 2013 | 48° | 16° | 32° | — | — |
| 2012 | 60° | 31° | 45° | — | — |
| 2011 | 54° | 34° | 44° | — | — |
| 2010 | 46° | 8° | 27° | 0.3" | 2.6" |
| 2009 | 43° | 22° | 32° | — | — |
| 2008 | 46° | 29° | 37° | — | — |
| 2007 | 40° | 11° | 25° | — | — |
| 2006warmest | 66° | 35° | 51° | — | — |
| 2005 | 42° | 2° | 22° | — | — |
| 2004 | 29° | -7° | 11° | — | — |
| 2003 | 48° | 29° | 38° | 0.18" | — |
| 2002 | 46° | 21° | 34° | — | — |
| 2001 | 64° | 34° | 49° | — | — |
| 2000 | 42° | 16° | 29° | — | — |
| 1999 | 55° | 30° | 43° | — | — |
| 1998 | 41° | 23° | 32° | 2.64" | 9.2" |
| 1997 | 26° | 14° | 20° | 0.28" | 2" |
| 1996 | 28° | -4° | 12° | 0.1" | 0.7" |
| 1995 | 35° | 20° | 27° | — | — |
| 1994 | 40° | 27° | 33° | — | — |
| 1993 | 37° | 9° | 23° | — | — |
| 1992 | 48° | 22° | 35° | — | — |
| 1991 | 41° | 11° | 26° | — | — |
| 1990 | 42° | 5° | 24° | — | — |
| 1989 | 53° | 30° | 42° | — | — |
| 1988 | 13° | 7° | 10° | 0.23" | 1.6" |
| 1987 | 43° | 29° | 36° | — | — |
| 1986 | 47° | 32° | 39° | 0.05" | 0.5" |
| 1985 | 51° | 26° | 39° | — | — |
| 1984 | 56° | 28° | 42° | — | — |
| 1983 | 56° | 39° | 47° | — | — |
| 1982 | 40° | 10° | 25° | — | — |
| 1981 | 50° | 24° | 37° | — | — |
| 1980 | 57° | 23° | 40° | — | — |
| 1979 | 27° | 9° | 18° | — | — |
| 1978 | 52° | 33° | 42° | — | — |
| 1977 | 41° | 5° | 23° | — | — |
| 1976 | 48° | 14° | 31° | 0.03" | 0.5" |
| 1975 | 50° | 32° | 41° | — | — |
| 1974 | 39° | -9° | 15° | — | — |
| 1973 | 23° | 3° | 13° | — | — |
| 1972 | 53° | 30° | 42° | — | — |
| 1971coldest | 14° | -9° | 3° | — | — |
56 years of data from BOULDER MUNI AP