Weather on August 31
Billings, MT
55 Years of Data
Avg High
84°F
Avg Low
51°F
Warmest
1991
80°F avg
Coldest
1974
53°F avg
About This Date
August 31st in Billings, MT typically brings warm summer weather, with average highs around 84°F and lows near 51°F — a 33°F daily swing. Over 55 years of records, the warmest August 31st was in 1991 (80°F average), while the coldest was 1974 (53°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 31st dates historically, with the wettest August 31st recording 1.09" 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 31st in Billings, MT? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 51° | 66° | — | — |
| 2024 | 90° | 50° | 70° | — | — |
| 2023 | 86° | 59° | 73° | — | — |
| 2022 | 94° | 56° | 75° | — | — |
| 2021 | 88° | 52° | 70° | — | — |
| 2020 | 65° | 45° | 55° | — | — |
| 2019 | 78° | 51° | 65° | — | — |
| 2018 | 83° | 52° | 67° | — | — |
| 2017 | 91° | 58° | 74° | — | — |
| 2016 | 89° | 56° | 72° | — | — |
| 2015 | 83° | 50° | 66° | — | — |
| 2014 | 73° | 54° | 63° | — | — |
| 2013 | 95° | 61° | 78° | — | — |
| 2012 | 92° | 50° | 71° | — | — |
| 2011 | 89° | 55° | 72° | 0.53" | — |
| 2010 | 71° | 44° | 58° | 0.69" | — |
| 2009 | 85° | 49° | 67° | — | — |
| 2008 | 97° | 58° | 77° | 0.3" | — |
| 2007 | 97° | 60° | 78° | — | — |
| 2006 | 92° | 45° | 68° | — | — |
| 2005 | 75° | 46° | 61° | 0.15" | — |
| 2004 | 91° | 49° | 70° | — | — |
| 2003 | 81° | 47° | 64° | — | — |
| 2002 | 82° | 55° | 69° | 0.05" | — |
| 2001 | 88° | 51° | 69° | — | — |
| 2000 | 77° | 43° | 60° | — | — |
| 1999 | 73° | 65° | 69° | — | — |
| 1998 | 93° | 54° | 73° | — | — |
| 1997 | 87° | 53° | 70° | — | — |
| 1996 | 95° | 55° | 75° | — | — |
| 1995 | 84° | 45° | 64° | — | — |
| 1994 | 77° | 46° | 62° | — | — |
| 1993 | 80° | 37° | 59° | — | — |
| 1992 | 75° | 42° | 59° | — | — |
| 1991warmest | 98° | 62° | 80° | — | — |
| 1990 | 87° | 47° | 67° | — | — |
| 1989 | 82° | 51° | 67° | — | — |
| 1988 | 93° | 54° | 73° | — | — |
| 1987 | 85° | 50° | 67° | — | — |
| 1986 | 89° | 56° | 72° | — | — |
| 1985 | 96° | 63° | 79° | — | — |
| 1984 | 67° | 58° | 62° | 0.05" | — |
| 1983 | 96° | 54° | 75° | — | — |
| 1982 | 83° | 53° | 68° | 1.09" | — |
| 1981 | 75° | 42° | 59° | 0.33" | — |
| 1980 | 73° | 45° | 59° | — | — |
| 1979 | 88° | 62° | 75° | — | — |
| 1978 | 84° | 52° | 68° | — | — |
| 1977 | 66° | 43° | 54° | 0.91" | — |
| 1976 | 89° | 45° | 67° | — | — |
| 1975 | 79° | 47° | 63° | — | — |
| 1974coldest | 65° | 42° | 53° | — | — |
| 1973 | 93° | 51° | 72° | — | — |
| 1972 | 87° | 52° | 69° | 0.3" | — |
| 1971 | 86° | 51° | 69° | — | — |
55 years of data from BILLINGS WTP