Weather on July 9
Boise, ID
55 Years of Data
Avg High
91°F
Avg Low
60°F
Warmest
2012
89°F avg
Coldest
1983
60°F avg
About This Date
July 9th in Boise, ID typically brings hot summer weather, with average highs around 91°F and lows near 60°F — a 31°F daily swing. Over 55 years of records, the warmest July 9th was in 2012 (89°F average), while the coldest was 1983 (60°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 16% of July 9th dates historically, with the wettest July 9th recording 0.86" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for July 9th in Boise, ID? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 64° | 80° | 0.08" | — |
| 2024 | 105° | 68° | 87° | — | — |
| 2023 | 103° | 66° | 84° | — | — |
| 2022 | 94° | 61° | 77° | — | — |
| 2021 | 95° | 64° | 80° | — | — |
| 2020 | 91° | 55° | 73° | — | — |
| 2019 | 88° | 54° | 71° | — | — |
| 2018 | 102° | 67° | 84° | — | — |
| 2017 | 101° | 73° | 87° | — | — |
| 2016 | 86° | 61° | 73° | — | — |
| 2015 | 87° | 63° | 75° | 0.38" | — |
| 2014 | 92° | 69° | 80° | — | — |
| 2013 | 99° | 59° | 79° | — | — |
| 2012warmest | 108° | 71° | 89° | 0.08" | — |
| 2011 | 91° | 52° | 71° | — | — |
| 2010 | 96° | 64° | 80° | — | — |
| 2009 | 82° | 54° | 68° | — | — |
| 2008 | 96° | 59° | 78° | — | — |
| 2007 | 98° | 65° | 81° | — | — |
| 2006 | 99° | 65° | 82° | — | — |
| 2005 | 72° | 57° | 64° | 0.05" | — |
| 2004 | 90° | 61° | 75° | — | — |
| 2003 | 97° | 61° | 79° | — | — |
| 2002 | 93° | 55° | 74° | — | — |
| 2001 | 93° | 68° | 81° | — | — |
| 2000 | 86° | 57° | 72° | — | — |
| 1999 | 90° | 54° | 72° | — | — |
| 1998 | 98° | 68° | 83° | — | — |
| 1997 | 85° | 61° | 73° | 0.25" | — |
| 1996 | 99° | 65° | 82° | — | — |
| 1995 | 98° | 61° | 79° | 0.86" | — |
| 1994 | 101° | 71° | 86° | — | — |
| 1993 | 88° | 55° | 71° | — | — |
| 1992 | 81° | 49° | 65° | — | — |
| 1991 | 94° | 53° | 73° | — | — |
| 1990 | 97° | 62° | 79° | — | — |
| 1989 | 85° | 53° | 69° | — | — |
| 1988 | 96° | 53° | 75° | — | — |
| 1987 | 79° | 53° | 66° | — | — |
| 1986 | 82° | 50° | 66° | — | — |
| 1985 | 101° | 66° | 83° | 0.03" | — |
| 1984 | 81° | 51° | 66° | — | — |
| 1983coldest | 70° | 51° | 60° | 0.58" | — |
| 1982 | 81° | 49° | 65° | — | — |
| 1981 | 92° | 50° | 71° | — | — |
| 1980 | 89° | 58° | 73° | — | — |
| 1979 | 96° | 62° | 79° | — | — |
| 1978 | 91° | 58° | 74° | — | — |
| 1977 | 84° | 52° | 68° | — | — |
| 1976 | 90° | 58° | 74° | — | — |
| 1975 | 102° | 73° | 88° | — | — |
| 1974 | 69° | 55° | 62° | 0.58" | — |
| 1973 | 101° | 56° | 78° | — | — |
| 1972 | 77° | 58° | 67° | — | — |
| 1971 | 91° | 58° | 74° | — | — |
55 years of data from BOISE AIR TERMINAL