Weather on June 23
Boise, ID
55 Years of Data
Avg High
86°F
Avg Low
56°F
Warmest
1988
84°F avg
Coldest
1993
53°F avg
About This Date
June 23rd in Boise, ID typically brings warm summer weather, with average highs around 86°F and lows near 56°F — a 30°F daily swing. Over 55 years of records, the warmest June 23rd was in 1988 (84°F average), while the coldest was 1993 (53°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 5% of June 23rd dates historically. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for June 23rd in Boise, ID? 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 | 78° | 48° | 63° | — | — |
| 2024 | 99° | 64° | 81° | — | — |
| 2023 | 84° | 53° | 69° | — | — |
| 2022 | 88° | 59° | 73° | — | — |
| 2021 | 92° | 60° | 76° | — | — |
| 2020 | 93° | 57° | 75° | — | — |
| 2019 | 78° | 53° | 66° | — | — |
| 2018 | 80° | 59° | 70° | — | — |
| 2017 | 83° | 50° | 66° | — | — |
| 2016 | 89° | 62° | 76° | — | — |
| 2015 | 93° | 60° | 77° | — | — |
| 2014 | 89° | 57° | 73° | — | — |
| 2013 | 88° | 54° | 71° | — | — |
| 2012 | 84° | 58° | 71° | — | — |
| 2011 | 86° | 64° | 75° | — | — |
| 2010 | 93° | 60° | 77° | — | — |
| 2009 | 81° | 50° | 65° | — | — |
| 2008 | 89° | 56° | 72° | — | — |
| 2007 | 86° | 58° | 72° | — | — |
| 2006 | 90° | 55° | 72° | — | — |
| 2005 | 84° | 54° | 69° | — | — |
| 2004 | 97° | 67° | 82° | — | — |
| 2003 | 76° | 44° | 60° | — | — |
| 2002 | 90° | 66° | 78° | — | — |
| 2001 | 95° | 63° | 79° | — | — |
| 2000 | 88° | 55° | 71° | — | — |
| 1999 | 83° | 52° | 67° | — | — |
| 1998 | 78° | 53° | 66° | — | — |
| 1997 | 71° | 47° | 59° | — | — |
| 1996 | 79° | 53° | 66° | 0.03" | — |
| 1995 | 84° | 53° | 69° | — | — |
| 1994 | 95° | 60° | 78° | — | — |
| 1993coldest | 66° | 39° | 53° | — | — |
| 1992 | 100° | 63° | 81° | — | — |
| 1991 | 79° | 51° | 65° | — | — |
| 1990 | 92° | 60° | 76° | — | — |
| 1989 | 82° | 43° | 62° | — | — |
| 1988warmest | 103° | 65° | 84° | — | — |
| 1987 | 78° | 48° | 63° | — | — |
| 1986 | 93° | 54° | 73° | — | — |
| 1985 | 85° | 55° | 70° | — | — |
| 1984 | 83° | 48° | 65° | — | — |
| 1983 | 94° | 52° | 73° | — | — |
| 1982 | 87° | 55° | 71° | — | — |
| 1981 | 77° | 52° | 64° | — | — |
| 1980 | 68° | 49° | 58° | 0.03" | — |
| 1979 | 87° | 52° | 69° | — | — |
| 1978 | 86° | 48° | 67° | — | — |
| 1977 | 91° | 58° | 74° | — | — |
| 1976 | 72° | 47° | 59° | — | — |
| 1975 | 85° | 64° | 74° | 0.1" | — |
| 1974 | 96° | 66° | 81° | — | — |
| 1973 | 79° | 66° | 72° | — | — |
| 1972 | 78° | 59° | 69° | — | — |
| 1971 | 87° | 60° | 74° | — | — |
55 years of data from BOISE AIR TERMINAL