Weather on January 11
Boulder, CO
55 Years of Data
Avg High
46°F
Avg Low
21°F
Warmest
2006
52°F avg
Coldest
1997
2°F avg
About This Date
January 11th in Boulder, CO typically brings chilly winter weather, with average highs around 46°F and lows near 21°F — a 25°F daily swing. Over 56 years of records, the warmest January 11th was in 2006 (52°F average), while the coldest was 1997 (2°F) — a 50°F range across recorded history. Precipitation has occurred on 7% of recorded January 11th dates, with snow falling 5% of the time (heaviest snowfall: 4.7"). The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for January 11th in Boulder, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 55° | 32° | 44° | — | — |
| 2025 | 46° | 27° | 36° | — | — |
| 2024 | 28° | 5° | 17° | — | — |
| 2023 | 39° | 30° | 35° | — | — |
| 2022 | 50° | 28° | 39° | — | — |
| 2021 | 43° | 16° | 30° | — | — |
| 2020 | 46° | 14° | 30° | — | — |
| 2019 | 43° | 32° | 37° | — | — |
| 2018 | 47° | 20° | 33° | — | — |
| 2017 | 45° | 28° | 36° | — | — |
| 2016 | 38° | 11° | 24° | — | — |
| 2015 | 44° | 28° | 36° | — | — |
| 2014 | 58° | 26° | 42° | — | — |
| 2013 | 41° | 19° | 30° | — | — |
| 2012 | 46° | 16° | 31° | 0.41" | 4.7" |
| 2011 | 17° | 0° | 9° | — | — |
| 2010 | 51° | 23° | 37° | — | — |
| 2009 | 47° | 27° | 37° | — | — |
| 2008 | 44° | 35° | 40° | — | — |
| 2007 | 55° | 19° | 37° | — | — |
| 2006warmest | 61° | 43° | 52° | — | — |
| 2005 | 41° | 32° | 37° | — | — |
| 2004 | 55° | 34° | 44° | — | — |
| 2003 | 41° | 14° | 28° | — | — |
| 2002 | 53° | 25° | 39° | — | — |
| 2001 | 51° | 26° | 39° | — | — |
| 2000 | 61° | 17° | 39° | — | — |
| 1999 | 62° | 40° | 51° | — | — |
| 1998 | 52° | 13° | 32° | — | — |
| 1997coldest | 7° | -3° | 2° | 0.46" | 3.1" |
| 1996 | 51° | 28° | 40° | — | — |
| 1995 | 57° | 45° | 51° | — | — |
| 1994 | 53° | 20° | 36° | — | — |
| 1993 | 19° | -1° | 9° | — | — |
| 1992 | 53° | 30° | 42° | — | — |
| 1991 | 48° | 23° | 36° | — | — |
| 1990 | 67° | 32° | 49° | — | — |
| 1989 | 45° | 20° | 32° | 0.69" | 4.6" |
| 1988 | 59° | 33° | 46° | — | — |
| 1987 | 64° | 29° | 46° | — | — |
| 1986 | 68° | 33° | 51° | — | — |
| 1985 | 26° | 10° | 18° | 0.1" | — |
| 1984 | 36° | 24° | 30° | — | — |
| 1983 | 53° | 20° | 36° | — | — |
| 1982 | 55° | 6° | 31° | — | — |
| 1981 | 50° | 21° | 36° | — | — |
| 1980 | 54° | 20° | 37° | — | — |
| 1979 | 51° | 12° | 32° | — | — |
| 1978 | 41° | 13° | 27° | — | — |
| 1977 | 32° | 7° | 19° | — | — |
| 1976 | 51° | 17° | 34° | — | — |
| 1975 | 20° | 2° | 11° | — | — |
| 1974 | 29° | -4° | 12° | — | — |
| 1973 | 35° | 7° | 21° | — | — |
| 1972 | 48° | 16° | 32° | — | — |
| 1971 | 51° | 12° | 32° | — | — |
56 years of data from BOULDER MUNI AP