Weather on October 13
Boulder, CO
55 Years of Data
Avg High
67°F
Avg Low
39°F
Warmest
1992
70°F avg
Coldest
1985
36°F avg
About This Date
October 13th in Boulder, CO typically brings mild fall weather, with average highs around 67°F and lows near 39°F — a 28°F daily swing. Over 55 years of records, the warmest October 13th was in 1992 (70°F average), while the coldest was 1985 (36°F) — a 34°F range across recorded history. Precipitation has occurred on 20% of recorded October 13th dates, with snow falling 4% of the time (heaviest snowfall: 2"). The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for October 13th in Boulder, CO? Great weather for outdoor activities.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 37° | 48° | — | — |
| 2024 | 66° | 46° | 56° | — | — |
| 2023 | 55° | 34° | 44° | — | — |
| 2022 | 66° | 37° | 52° | — | — |
| 2021 | 61° | 34° | 47° | — | — |
| 2020 | 73° | 46° | 60° | 0.41" | — |
| 2019 | 73° | 34° | 53° | — | — |
| 2018 | 66° | 28° | 47° | — | — |
| 2017 | 63° | 34° | 48° | — | — |
| 2016 | 80° | 38° | 59° | — | — |
| 2015 | 84° | 49° | 66° | — | — |
| 2014 | 56° | 35° | 45° | — | — |
| 2013 | 61° | 34° | 47° | — | — |
| 2012 | 57° | 44° | 51° | 0.3" | — |
| 2011 | 77° | 37° | 57° | — | — |
| 2010 | 65° | 36° | 50° | — | — |
| 2009 | 51° | 33° | 42° | — | — |
| 2008 | 54° | 28° | 41° | 1.09" | 0.2" |
| 2007 | 63° | 46° | 54° | 0.15" | — |
| 2006 | 66° | 32° | 49° | — | — |
| 2005 | 71° | 35° | 53° | — | — |
| 2004 | 57° | 38° | 47° | 1.7" | — |
| 2003 | 71° | 43° | 57° | — | — |
| 2002 | 61° | 31° | 46° | — | — |
| 2001 | 64° | 39° | 52° | — | — |
| 2000 | 64° | 38° | 51° | — | — |
| 1999 | 71° | 40° | 55° | — | — |
| 1998 | 76° | 39° | 57° | — | — |
| 1997 | 55° | 29° | 42° | — | — |
| 1996 | 81° | 49° | 65° | — | — |
| 1995 | 70° | 32° | 51° | 0.1" | — |
| 1994 | 64° | 37° | 51° | — | — |
| 1993 | 64° | 38° | 51° | — | — |
| 1992warmest | 84° | 56° | 70° | — | — |
| 1991 | 75° | 53° | 64° | — | — |
| 1990 | 74° | 41° | 57° | — | — |
| 1989 | 85° | 34° | 59° | — | — |
| 1988 | 76° | 48° | 62° | — | — |
| 1987 | 69° | 51° | 60° | 0.05" | — |
| 1986 | 64° | 21° | 43° | — | — |
| 1985coldest | 39° | 33° | 36° | 0.71" | 2" |
| 1984 | 70° | 40° | 55° | — | — |
| 1983 | 68° | 30° | 49° | — | — |
| 1982 | 55° | 34° | 44° | 0.71" | — |
| 1981 | 57° | 42° | 50° | 0.13" | — |
| 1980 | 71° | 54° | 62° | — | — |
| 1979 | 68° | 40° | 54° | — | — |
| 1978 | 58° | 37° | 47° | — | — |
| 1977 | 74° | 35° | 54° | — | — |
| 1976 | 70° | 40° | 55° | — | — |
| 1975 | 80° | 41° | 61° | — | — |
| 1974 | 65° | 35° | 50° | 0.03" | — |
| 1973 | 71° | 39° | 55° | — | — |
| 1972 | 77° | 49° | 63° | — | — |
| 1971 | 65° | 36° | 50° | — | — |
55 years of data from BOULDER MUNI AP