Weather on August 15
Arvada, CO
55 Years of Data
Avg High
83°F
Avg Low
55°F
Warmest
2000
81°F avg
Coldest
2008
43°F avg
About This Date
August 15th in Arvada, CO typically brings warm summer weather, with average highs around 83°F and lows near 55°F — a 28°F daily swing. Over 55 years of records, the warmest August 15th was in 2000 (81°F average), while the coldest was 2008 (43°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 15th dates historically, with the wettest August 15th recording 1.78" of rain. The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Arvada, CO? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 64° | 80° | — | — |
| 2024 | 86° | 57° | 72° | 0.03" | — |
| 2023 | 82° | 50° | 66° | — | — |
| 2022 | 89° | 62° | 76° | 0.25" | — |
| 2021 | 90° | 63° | 76° | — | — |
| 2020 | 93° | 54° | 73° | — | — |
| 2019 | 89° | 57° | 73° | — | — |
| 2018 | 83° | 59° | 71° | 0.38" | — |
| 2017 | 87° | 57° | 72° | — | — |
| 2016 | 89° | 58° | 73° | — | — |
| 2015 | 93° | 63° | 78° | 1.04" | — |
| 2014 | 83° | 59° | 71° | 0.08" | — |
| 2013 | 81° | 57° | 69° | — | — |
| 2012 | 91° | 64° | 78° | — | — |
| 2011 | 76° | 54° | 65° | — | — |
| 2010 | 76° | 48° | 62° | — | — |
| 2009 | 70° | 46° | 58° | — | — |
| 2008coldest | 47° | 39° | 43° | — | — |
| 2007 | 76° | 53° | 64° | — | — |
| 2006 | 76° | 52° | 64° | — | — |
| 2005 | 75° | 45° | 60° | — | — |
| 2004 | 74° | 48° | 61° | — | — |
| 2003 | 78° | 50° | 64° | — | — |
| 2002 | 76° | 46° | 61° | — | — |
| 2001 | 63° | — | — | 0.56" | — |
| 2000warmest | 95° | 67° | 81° | — | — |
| 1999 | 88° | 64° | 76° | — | — |
| 1998 | 87° | 55° | 71° | — | — |
| 1997 | 83° | 56° | 69° | — | — |
| 1996 | 83° | 60° | 71° | — | — |
| 1995 | 79° | 56° | 67° | 0.13" | — |
| 1994 | 85° | 59° | 72° | 0.1" | — |
| 1993 | 85° | 53° | 69° | — | — |
| 1992 | 82° | 58° | 70° | — | — |
| 1991 | 89° | 60° | 75° | — | — |
| 1990 | 80° | 51° | 66° | — | — |
| 1989 | 84° | 48° | 66° | — | — |
| 1988 | 95° | 62° | 79° | — | — |
| 1987 | 88° | 55° | 71° | — | — |
| 1986 | 82° | 48° | 65° | — | — |
| 1985 | 72° | 46° | 59° | — | — |
| 1984 | 90° | 61° | 75° | — | — |
| 1983 | 88° | 57° | 72° | 1.3" | — |
| 1982 | 87° | 59° | 73° | — | — |
| 1981 | 83° | 58° | 70° | 0.03" | — |
| 1980 | 76° | 60° | 68° | 1.78" | — |
| 1979 | 73° | 53° | 63° | — | — |
| 1978 | 82° | 41° | 62° | — | — |
| 1977 | 89° | 60° | 75° | 0.76" | — |
| 1976 | 88° | — | — | — | — |
| 1975 | 81° | 53° | 67° | — | — |
| 1974 | 86° | 54° | 70° | — | — |
| 1973 | 90° | 59° | 74° | — | — |
| 1972 | 87° | 62° | 75° | — | — |
| 1971 | 88° | 52° | 70° | — | — |
55 years of data from WATERTON NORTH COLORADO