Weather on July 17
Boise, ID
55 Years of Data
Avg High
93°F
Avg Low
61°F
Warmest
2004
90°F avg
Coldest
1987
58°F avg
About This Date
July 17th in Boise, ID typically brings hot summer weather, with average highs around 93°F and lows near 61°F — a 32°F daily swing. Over 55 years of records, the warmest July 17th was in 2004 (90°F average), while the coldest was 1987 (58°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 9% of July 17th dates historically. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for July 17th in Boise, ID? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 98° | 64° | 81° | — | — |
| 2024 | 101° | 70° | 85° | 0.03" | — |
| 2023 | 96° | 75° | 86° | — | — |
| 2022 | 102° | 66° | 84° | — | — |
| 2021 | 98° | 62° | 80° | — | — |
| 2020 | 97° | 63° | 80° | — | — |
| 2019 | 90° | 59° | 74° | — | — |
| 2018 | 99° | 63° | 81° | — | — |
| 2017 | 93° | 60° | 77° | — | — |
| 2016 | 95° | 58° | 76° | — | — |
| 2015 | 79° | 56° | 67° | — | — |
| 2014 | 98° | 71° | 85° | — | — |
| 2013 | 97° | 71° | 84° | — | — |
| 2012 | 99° | 64° | 81° | — | — |
| 2011 | 100° | 57° | 79° | — | — |
| 2010 | 99° | 66° | 82° | — | — |
| 2009 | 101° | 66° | 83° | — | — |
| 2008 | 94° | 61° | 77° | — | — |
| 2007 | 100° | 76° | 88° | 0.05" | — |
| 2006 | 100° | 66° | 83° | — | — |
| 2005 | 88° | 56° | 72° | — | — |
| 2004warmest | 104° | 75° | 90° | 0.13" | — |
| 2003 | 102° | 65° | 83° | — | — |
| 2002 | 99° | 73° | 86° | — | — |
| 2001 | 78° | 52° | 65° | — | — |
| 2000 | 90° | 69° | 79° | — | — |
| 1999 | 90° | 58° | 74° | — | — |
| 1998 | 108° | 68° | 88° | — | — |
| 1997 | 85° | 63° | 74° | — | — |
| 1996 | 96° | 60° | 78° | — | — |
| 1995 | 92° | 54° | 73° | — | — |
| 1994 | 100° | 64° | 82° | — | — |
| 1993 | 73° | 51° | 62° | — | — |
| 1992 | 96° | 60° | 78° | — | — |
| 1991 | 85° | 56° | 70° | — | — |
| 1990 | 96° | 56° | 76° | — | — |
| 1989 | 85° | 57° | 71° | 0.03" | — |
| 1988 | 88° | 54° | 71° | — | — |
| 1987coldest | 70° | 47° | 58° | — | — |
| 1986 | 79° | 42° | 60° | — | — |
| 1985 | 92° | 58° | 75° | — | — |
| 1984 | 96° | 56° | 76° | — | — |
| 1983 | 84° | 53° | 69° | — | — |
| 1982 | 82° | 47° | 64° | — | — |
| 1981 | 94° | 58° | 76° | — | — |
| 1980 | 83° | 57° | 70° | — | — |
| 1979 | 102° | 62° | 82° | — | — |
| 1978 | 80° | 52° | 66° | — | — |
| 1977 | 96° | 56° | 76° | — | — |
| 1976 | 84° | 62° | 73° | 0.05" | — |
| 1975 | 85° | 65° | 75° | — | — |
| 1974 | 94° | 60° | 77° | — | — |
| 1973 | 98° | 59° | 79° | — | — |
| 1972 | 90° | 59° | 74° | — | — |
| 1971 | 99° | 69° | 84° | — | — |
55 years of data from BOISE AIR TERMINAL