Weather on August 1
Boise, ID
55 Years of Data
Avg High
94°F
Avg Low
62°F
Warmest
2022
88°F avg
Coldest
1987
64°F avg
About This Date
August 1st in Boise, ID typically brings hot summer weather, with average highs around 94°F and lows near 62°F — a 32°F daily swing. Over 55 years of records, the warmest August 1st was in 2022 (88°F average), while the coldest was 1987 (64°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 1st dates historically. 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 1st in Boise, ID? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 64° | 77° | — | — |
| 2024 | 103° | 70° | 86° | — | — |
| 2023 | 98° | 61° | 79° | — | — |
| 2022warmest | 102° | 74° | 88° | — | — |
| 2021 | 82° | 69° | 76° | 0.36" | — |
| 2020 | 100° | 67° | 83° | — | — |
| 2019 | 98° | 63° | 80° | — | — |
| 2018 | 100° | 71° | 86° | — | — |
| 2017 | 97° | 66° | 81° | — | — |
| 2016 | 94° | 56° | 75° | — | — |
| 2015 | 103° | 68° | 85° | — | — |
| 2014 | 98° | 66° | 82° | — | — |
| 2013 | 90° | 63° | 76° | — | — |
| 2012 | 96° | 62° | 79° | — | — |
| 2011 | 95° | 71° | 83° | — | — |
| 2010 | 92° | 63° | 77° | — | — |
| 2009 | 100° | 70° | 85° | — | — |
| 2008 | 92° | 64° | 78° | — | — |
| 2007 | 99° | 60° | 79° | — | — |
| 2006 | 84° | 57° | 71° | — | — |
| 2005 | 97° | 73° | 85° | — | — |
| 2004 | 102° | 68° | 85° | — | — |
| 2003 | 101° | 67° | 84° | — | — |
| 2002 | 93° | 59° | 76° | — | — |
| 2001 | 94° | 59° | 76° | — | — |
| 2000 | 98° | 67° | 82° | — | — |
| 1999 | 98° | 63° | 80° | — | — |
| 1998 | 83° | 60° | 71° | — | — |
| 1997 | 91° | 61° | 76° | — | — |
| 1996 | 98° | 68° | 83° | — | — |
| 1995 | 97° | 54° | 75° | — | — |
| 1994 | 97° | 70° | 83° | — | — |
| 1993 | 88° | 50° | 69° | — | — |
| 1992 | 102° | 67° | 84° | — | — |
| 1991 | 87° | 61° | 74° | — | — |
| 1990 | 93° | 56° | 74° | — | — |
| 1989 | 83° | 55° | 69° | — | — |
| 1988 | 85° | 52° | 68° | — | — |
| 1987coldest | 85° | 44° | 64° | — | — |
| 1986 | 93° | 51° | 72° | — | — |
| 1985 | 77° | 53° | 65° | — | — |
| 1984 | 91° | 67° | 79° | — | — |
| 1983 | 96° | 67° | 81° | — | — |
| 1982 | 89° | 58° | 73° | — | — |
| 1981 | 94° | 54° | 74° | — | — |
| 1980 | 90° | 58° | 74° | — | — |
| 1979 | 92° | 60° | 76° | — | — |
| 1978 | 92° | 51° | 71° | — | — |
| 1977 | 102° | 62° | 82° | — | — |
| 1976 | 82° | 63° | 72° | 0.13" | — |
| 1975 | 83° | 50° | 66° | — | — |
| 1974 | 94° | 64° | 79° | — | — |
| 1973 | 95° | 65° | 80° | — | — |
| 1972 | 92° | 65° | 78° | — | — |
| 1971 | 104° | 66° | 85° | — | — |
55 years of data from BOISE AIR TERMINAL