Weather on August 20
Fort Collins, CO
55 Years of Data
Avg High
85°F
Avg Low
56°F
Warmest
2019
79°F avg
Coldest
1979
60°F avg
About This Date
August 20th in Fort Collins, 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 20th was in 2019 (79°F average), while the coldest was 1979 (60°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 20th dates historically, with the wettest August 20th recording 0.86" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 20th in Fort Collins, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 58° | 75° | — | — |
| 2024 | 93° | 58° | 75° | 0.1" | — |
| 2023 | 87° | 60° | 74° | — | — |
| 2022 | 81° | 57° | 69° | — | — |
| 2021 | 78° | 50° | 64° | 0.86" | — |
| 2020 | 90° | 58° | 74° | — | — |
| 2019warmest | 98° | 60° | 79° | — | — |
| 2018 | 74° | 51° | 62° | — | — |
| 2017 | 89° | 58° | 73° | — | — |
| 2016 | 75° | 47° | 61° | — | — |
| 2015 | 86° | 47° | 66° | — | — |
| 2014 | 89° | 62° | 76° | — | — |
| 2013 | 97° | 56° | 76° | — | — |
| 2012 | 81° | 53° | 67° | — | — |
| 2011 | 85° | 54° | 69° | — | — |
| 2010 | 89° | 61° | 75° | — | — |
| 2009 | 85° | 51° | 68° | — | — |
| 2008 | 80° | 53° | 67° | — | — |
| 2007 | 93° | 57° | 75° | — | — |
| 2006 | 85° | 55° | 70° | — | — |
| 2005 | 87° | 53° | 70° | — | — |
| 2004 | 74° | 46° | 60° | 0.05" | — |
| 2003 | 95° | 53° | 74° | — | — |
| 2002 | 86° | 59° | 73° | 0.03" | — |
| 2001 | 91° | 60° | 76° | — | — |
| 2000 | 87° | 57° | 72° | 0.66" | — |
| 1999 | 84° | 58° | 71° | 0.38" | — |
| 1998 | 83° | 62° | 72° | 0.03" | — |
| 1997 | 79° | 55° | 67° | — | — |
| 1996 | 83° | 52° | 67° | — | — |
| 1995 | 87° | 57° | 72° | — | — |
| 1994 | 80° | 51° | 66° | — | — |
| 1993 | 80° | 60° | 70° | — | — |
| 1992 | 86° | 53° | 70° | — | — |
| 1991 | 83° | 52° | 67° | — | — |
| 1990 | 80° | 55° | 68° | 0.1" | — |
| 1989 | 80° | 52° | 66° | — | — |
| 1988 | 87° | 56° | 71° | — | — |
| 1987 | 92° | 56° | 74° | — | — |
| 1986 | 78° | 65° | 71° | 0.05" | — |
| 1985 | 90° | 49° | 69° | — | — |
| 1984 | 76° | 63° | 69° | 0.36" | — |
| 1983 | 86° | 61° | 73° | — | — |
| 1982 | 81° | 61° | 71° | — | — |
| 1981 | 82° | 54° | 68° | 0.05" | — |
| 1980 | 76° | 53° | 64° | — | — |
| 1979coldest | 70° | 50° | 60° | 0.43" | — |
| 1978 | 86° | 51° | 69° | — | — |
| 1977 | 84° | 51° | 68° | — | — |
| 1976 | 86° | 53° | 70° | — | — |
| 1975 | 84° | 60° | 72° | — | — |
| 1974 | 89° | 57° | 73° | — | — |
| 1973 | 92° | 59° | 75° | — | — |
| 1972 | 82° | 59° | 71° | — | — |
| 1971 | 82° | 55° | 69° | — | — |
55 years of data from FT COLLINS