Weather on July 17
Boise, ID
55 Years of Data
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 56 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 11% of July 17th dates historically. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°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.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 98° | 72° | 85° | 0.16" | — |
| 2025 | 98° | 64° | 81° | — | — |
| 2024 | 101° | 70° | 85° | 0.01" | — |
| 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° | 0.02" | — |
| 2006 | 100° | 66° | 83° | — | — |
| 2005 | 88° | 56° | 72° | — | — |
| 2004warmest | 104° | 75° | 90° | 0.05" | — |
| 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° | 0.01" | — |
| 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° | 0.02" | — |
| 1975 | 85° | 65° | 75° | — | — |
| 1974 | 94° | 60° | 77° | — | — |
| 1973 | 98° | 59° | 79° | — | — |
| 1972 | 90° | 59° | 74° | — | — |
| 1971 | 99° | 69° | 84° | — | — |
Boise, ID Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Boise, ID Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Boise, ID Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Boise, ID
Most pleasant months in Boise, ID: May, June, September, October.
What to expect on July 17th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
July 17th outlook →