Weather on August 15
Greeley, CO
55 Years of Data
Avg High
89°F
Avg Low
56°F
Warmest
2015
82°F avg
Coldest
1979
61°F avg
About This Date
August 15th in Greeley, CO typically brings warm summer weather, with average highs around 89°F and lows near 56°F — a 33°F daily swing. Over 55 years of records, the warmest August 15th was in 2015 (82°F average), while the coldest was 1979 (61°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 15th dates historically, with the wettest August 15th recording 5.38" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Greeley, CO? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 61° | 78° | — | — |
| 2024 | 86° | 53° | 70° | — | — |
| 2023 | 92° | 52° | 72° | — | — |
| 2022 | 88° | 65° | 76° | 0.69" | — |
| 2021 | 94° | 62° | 78° | — | — |
| 2020 | 94° | 58° | 76° | — | — |
| 2019 | 93° | 57° | 75° | — | — |
| 2018 | 91° | 57° | 74° | 0.3" | — |
| 2017 | 85° | 58° | 71° | — | — |
| 2016 | 92° | 56° | 74° | — | — |
| 2015warmest | 102° | 62° | 82° | — | — |
| 2014 | 88° | 58° | 73° | 0.28" | — |
| 2013 | 85° | 52° | 68° | — | — |
| 2012 | 95° | 62° | 79° | — | — |
| 2011 | 96° | 59° | 78° | — | — |
| 2010 | 86° | 54° | 70° | — | — |
| 2009 | 87° | 54° | 70° | 0.05" | — |
| 2008 | 79° | 50° | 64° | 5.38" | — |
| 2007 | 88° | 62° | 75° | 0.69" | — |
| 2006 | 92° | 56° | 74° | — | — |
| 2005 | 86° | 50° | 68° | — | — |
| 2004 | 90° | 56° | 73° | — | — |
| 2003 | 96° | 57° | 77° | — | — |
| 2002 | 83° | 55° | 69° | — | — |
| 2001 | 84° | 61° | 72° | 0.3" | — |
| 2000 | 93° | 66° | 80° | 0.74" | — |
| 1999 | 86° | 62° | 74° | — | — |
| 1998 | 88° | 56° | 72° | — | — |
| 1997 | 91° | 56° | 73° | — | — |
| 1996 | 88° | 58° | 73° | 0.74" | — |
| 1995 | 92° | 53° | 72° | — | — |
| 1994 | 87° | 57° | 72° | — | — |
| 1993 | 85° | 55° | 70° | — | — |
| 1992 | 94° | 51° | 72° | — | — |
| 1991 | 92° | 56° | 74° | 0.56" | — |
| 1990 | 77° | 53° | 65° | — | — |
| 1989 | 83° | 53° | 68° | — | — |
| 1988 | 101° | 55° | 78° | — | — |
| 1987 | 89° | 53° | 71° | — | — |
| 1986 | 94° | 50° | 72° | — | — |
| 1985 | 88° | 52° | 70° | — | — |
| 1984 | 87° | 59° | 73° | 0.18" | — |
| 1983 | 92° | 60° | 76° | — | — |
| 1982 | 91° | 59° | 75° | 0.56" | — |
| 1981 | 84° | 59° | 72° | — | — |
| 1980 | 80° | 61° | 70° | 1.12" | — |
| 1979coldest | 74° | 48° | 61° | — | — |
| 1978 | 80° | 48° | 64° | 0.05" | — |
| 1977 | 87° | 59° | 73° | 0.28" | — |
| 1976 | 85° | 58° | 71° | 0.18" | — |
| 1975 | 80° | 47° | 63° | — | — |
| 1974 | 88° | 56° | 72° | — | — |
| 1973 | 96° | 59° | 78° | — | — |
| 1972 | 92° | 63° | 77° | 0.1" | — |
| 1971 | 87° | 54° | 70° | — | — |
55 years of data from GREELEY UNC