Weather on August 20
Billings, MT
55 Years of Data
Avg High
87°F
Avg Low
55°F
Warmest
2008
80°F avg
Coldest
2021
54°F avg
About This Date
August 20th in Billings, MT typically brings warm summer weather, with average highs around 87°F and lows near 55°F — a 32°F daily swing. Over 55 years of records, the warmest August 20th was in 2008 (80°F average), while the coldest was 2021 (54°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 9% of August 20th dates historically, with the wettest August 20th recording 3.25" of rain. The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
Planning for August 20th in Billings, MT? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 100° | 59° | 80° | — | — |
| 2024 | 89° | 60° | 75° | — | — |
| 2023 | 74° | 55° | 64° | — | — |
| 2022 | 86° | 59° | 73° | — | — |
| 2021coldest | 57° | 52° | 54° | 1.98" | — |
| 2020 | 92° | 66° | 79° | — | — |
| 2019 | 94° | 63° | 78° | — | — |
| 2018 | 70° | 52° | 61° | 0.2" | — |
| 2017 | 86° | 53° | 70° | — | — |
| 2016 | 68° | 45° | 56° | — | — |
| 2015 | 80° | 50° | 65° | — | — |
| 2014 | 91° | 62° | 77° | — | — |
| 2013 | 98° | 55° | 77° | — | — |
| 2012 | 92° | 59° | 75° | — | — |
| 2011 | 82° | 49° | 65° | — | — |
| 2010 | 90° | 53° | 71° | — | — |
| 2009 | 79° | 49° | 64° | — | — |
| 2008warmest | 101° | 60° | 80° | — | — |
| 2007 | 85° | 60° | 72° | — | — |
| 2006 | 86° | 51° | 69° | — | — |
| 2005 | 88° | 50° | 69° | — | — |
| 2004 | 84° | 60° | 72° | — | — |
| 2003 | 94° | 57° | 75° | — | — |
| 2002 | 91° | 47° | 69° | — | — |
| 2001 | 89° | 57° | 73° | — | — |
| 2000 | 90° | 57° | 73° | — | — |
| 1999 | 92° | 57° | 74° | — | — |
| 1998 | 89° | 56° | 72° | — | — |
| 1997 | 87° | 52° | 69° | — | — |
| 1996 | 89° | 49° | 69° | — | — |
| 1995 | 85° | 46° | 65° | — | — |
| 1994 | 87° | 50° | 69° | — | — |
| 1993 | 89° | 55° | 72° | — | — |
| 1992 | 96° | 62° | 79° | — | — |
| 1991 | 93° | 58° | 75° | — | — |
| 1990 | 85° | 60° | 72° | — | — |
| 1989 | 80° | 48° | 64° | — | — |
| 1988 | 95° | 51° | 73° | — | — |
| 1987 | 91° | 51° | 71° | — | — |
| 1986 | 84° | 59° | 72° | — | — |
| 1985 | 87° | 49° | 68° | — | — |
| 1984 | 86° | 57° | 72° | 0.08" | — |
| 1983 | 86° | 55° | 71° | 0.05" | — |
| 1982 | 92° | 58° | 75° | — | — |
| 1981 | 94° | 59° | 76° | — | — |
| 1980 | 74° | 48° | 61° | — | — |
| 1979 | 79° | 58° | 68° | — | — |
| 1978 | 82° | 48° | 65° | — | — |
| 1977 | 89° | 60° | 75° | — | — |
| 1976 | 91° | 52° | 71° | — | — |
| 1975 | 82° | 54° | 68° | — | — |
| 1974 | 88° | 47° | 67° | 3.25" | — |
| 1973 | 96° | 56° | 76° | — | — |
| 1972 | 83° | 55° | 69° | — | — |
| 1971 | 99° | 53° | 76° | — | — |
55 years of data from BILLINGS WTP