Weather on August 16
Boulder, CO
55 Years of Data
Avg High
85°F
Avg Low
56°F
Warmest
1986
81°F avg
Coldest
2008
52°F avg
About This Date
August 16th in Boulder, CO typically brings warm summer weather, with average highs around 85°F and lows near 56°F — a 29°F daily swing. Over 55 years of records, the warmest August 16th was in 1986 (81°F average), while the coldest was 2008 (52°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 35% of August 16th dates historically, with the wettest August 16th recording 3.33" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for August 16th in Boulder, CO? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 64° | 75° | — | — |
| 2024 | 91° | 57° | 74° | — | — |
| 2023 | 95° | 61° | 78° | — | — |
| 2022 | 72° | 61° | 66° | 2.08" | — |
| 2021 | 91° | 61° | 76° | — | — |
| 2020 | 73° | 72° | 72° | — | — |
| 2019 | 90° | 55° | 72° | — | — |
| 2018 | 86° | 59° | 73° | — | — |
| 2017 | 79° | 52° | 65° | 0.13" | — |
| 2016 | 88° | 53° | 70° | — | — |
| 2015 | 87° | 60° | 74° | 0.2" | — |
| 2014 | 91° | 58° | 74° | — | — |
| 2013 | 90° | 53° | 71° | — | — |
| 2012 | 80° | 52° | 66° | — | — |
| 2011 | 88° | 60° | 74° | 0.63" | — |
| 2010 | 79° | 57° | 68° | 0.53" | — |
| 2009 | 79° | 47° | 63° | — | — |
| 2008coldest | 56° | 48° | 52° | 3.33" | — |
| 2007 | 88° | 56° | 72° | — | — |
| 2006 | 87° | 64° | 76° | — | — |
| 2005 | 82° | 52° | 67° | — | — |
| 2004 | 84° | 53° | 69° | — | — |
| 2003 | 91° | 56° | 73° | — | — |
| 2002 | 100° | 55° | 78° | — | — |
| 2001 | 76° | 52° | 64° | 0.18" | — |
| 2000 | 90° | 61° | 75° | 0.1" | — |
| 1999 | 88° | 56° | 72° | — | — |
| 1998 | 86° | 58° | 72° | — | — |
| 1997 | 86° | 53° | 70° | 0.15" | — |
| 1996 | 83° | 55° | 69° | 0.3" | — |
| 1995 | 95° | 58° | 76° | — | — |
| 1994 | 91° | 58° | 74° | — | — |
| 1993 | 86° | 46° | 66° | — | — |
| 1992 | 85° | 58° | 71° | 0.03" | — |
| 1991 | 80° | 60° | 70° | 0.08" | — |
| 1990 | 83° | 50° | 66° | — | — |
| 1989 | 82° | 52° | 67° | — | — |
| 1988 | 88° | 61° | 74° | 0.28" | — |
| 1987 | 86° | 53° | 70° | — | — |
| 1986warmest | 95° | 66° | 81° | — | — |
| 1985 | 91° | 57° | 74° | — | — |
| 1984 | 91° | 61° | 76° | — | — |
| 1983 | 96° | 61° | 78° | 0.1" | — |
| 1982 | 86° | 57° | 72° | — | — |
| 1981 | 81° | 57° | 69° | 0.05" | — |
| 1980 | 81° | 55° | 68° | — | — |
| 1979 | 80° | 51° | 66° | 0.51" | — |
| 1978 | 92° | 50° | 71° | — | — |
| 1977 | 77° | 59° | 68° | 0.18" | — |
| 1976 | 86° | 52° | 69° | — | — |
| 1975 | 75° | 47° | 61° | 0.13" | — |
| 1974 | 86° | 54° | 70° | — | — |
| 1973 | 96° | 57° | 77° | — | — |
| 1972 | 82° | 56° | 69° | 0.43" | — |
| 1971 | 88° | 58° | 73° | — | — |
55 years of data from BOULDER MUNI AP