Weather on January 12
Boulder, CO
55 Years of Data
Avg High
45°F
Avg Low
19°F
Warmest
2000
49°F avg
Coldest
1997
-3°F avg
About This Date
January 12th in Boulder, CO typically brings chilly winter weather, with average highs around 45°F and lows near 19°F — a 26°F daily swing. Over 56 years of records, the warmest January 12th was in 2000 (49°F average), while the coldest was 1997 (-3°F) — a 52°F range across recorded history. Precipitation has occurred on 16% of recorded January 12th dates, with snow falling 16% of the time (heaviest snowfall: 6"). The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for January 12th in Boulder, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 61° | 37° | 49° | — | — |
| 2025 | 39° | 19° | 29° | — | — |
| 2024 | 34° | 3° | 19° | — | — |
| 2023 | 39° | 25° | 32° | — | — |
| 2022 | 55° | 30° | 43° | — | — |
| 2021 | 46° | 21° | 34° | — | — |
| 2020 | 43° | 23° | 33° | — | — |
| 2019 | 37° | 28° | 33° | — | — |
| 2018 | 48° | 29° | 38° | — | — |
| 2017 | 40° | 18° | 29° | — | — |
| 2016 | 51° | 19° | 35° | — | — |
| 2015 | 37° | 21° | 29° | 0.03" | — |
| 2014 | 55° | 31° | 43° | — | — |
| 2013 | 19° | 2° | 10° | 0.03" | 0.2" |
| 2012 | 44° | 2° | 23° | — | — |
| 2011 | 28° | -3° | 13° | — | — |
| 2010 | 61° | 23° | 42° | — | — |
| 2009 | 43° | 23° | 33° | 1.02" | 6" |
| 2008 | 45° | 23° | 34° | — | — |
| 2007 | 20° | -1° | 10° | 0.28" | 2.2" |
| 2006 | 53° | 32° | 43° | — | — |
| 2005 | 38° | 28° | 33° | 0.58" | 2.5" |
| 2004 | 56° | 26° | 41° | — | — |
| 2003 | 49° | 19° | 34° | — | — |
| 2002 | 48° | 21° | 35° | — | — |
| 2001 | 53° | 24° | 39° | — | — |
| 2000warmest | 58° | 41° | 49° | — | — |
| 1999 | 57° | 34° | 45° | — | — |
| 1998 | 46° | 15° | 31° | — | — |
| 1997coldest | 1° | -8° | -3° | 0.64" | 2.8" |
| 1996 | 66° | 31° | 48° | — | — |
| 1995 | 49° | 31° | 40° | — | — |
| 1994 | 47° | 25° | 36° | — | — |
| 1993 | 18° | 4° | 11° | — | 0.3" |
| 1992 | 44° | 26° | 35° | 0.74" | 4.8" |
| 1991 | 55° | 31° | 43° | — | — |
| 1990 | 41° | 16° | 28° | — | — |
| 1989 | 29° | 6° | 17° | — | — |
| 1988 | 34° | 23° | 28° | — | — |
| 1987 | 61° | 33° | 47° | — | — |
| 1986 | 57° | 28° | 43° | — | — |
| 1985 | 39° | 1° | 20° | — | — |
| 1984 | 38° | 20° | 29° | — | — |
| 1983 | 55° | 20° | 37° | — | — |
| 1982 | 49° | 14° | 31° | 0.05" | 1" |
| 1981 | 62° | 25° | 43° | — | — |
| 1980 | 57° | 20° | 38° | — | — |
| 1979 | 51° | 12° | 32° | — | — |
| 1978 | 47° | 25° | 36° | — | — |
| 1977 | 52° | 9° | 30° | — | — |
| 1976 | 46° | 17° | 32° | — | — |
| 1975 | 25° | -9° | 8° | — | — |
| 1974 | 52° | -2° | 25° | — | — |
| 1973 | 52° | 18° | 35° | — | — |
| 1972 | 50° | 14° | 32° | 1.02" | 4.6" |
| 1971 | 22° | 15° | 18° | — | — |
56 years of data from BOULDER MUNI AP