Weather on February 9
Boise, ID
55 Years of Data
Avg High
44°F
Avg Low
28°F
Warmest
2015
52°F avg
Coldest
1989
8°F avg
About This Date
February 9th in Boise, ID typically brings chilly winter weather, with average highs around 44°F and lows near 28°F. Over 56 years of records, the warmest February 9th was in 2015 (52°F average), while the coldest was 1989 (8°F) — a 44°F range across recorded history. Precipitation has occurred on 34% of recorded February 9th dates, with snow falling 14% of the time (heaviest snowfall: 1.3"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for February 9th in Boise, ID? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 49° | 32° | 40° | 0.3" | — |
| 2025 | 34° | 18° | 26° | — | — |
| 2024 | 43° | 30° | 37° | 0.03" | 0.1" |
| 2023 | 46° | 25° | 36° | — | — |
| 2022 | 50° | 22° | 36° | — | — |
| 2021 | 46° | 26° | 36° | — | — |
| 2020 | 46° | 26° | 36° | — | — |
| 2019 | 37° | 29° | 33° | 0.03" | 0.2" |
| 2018 | 51° | 36° | 43° | — | — |
| 2017 | 57° | 45° | 51° | — | — |
| 2016 | 45° | 27° | 36° | — | — |
| 2015warmest | 57° | 47° | 52° | 0.97" | — |
| 2014 | 47° | 33° | 40° | 0.05" | — |
| 2013 | 42° | 30° | 36° | — | — |
| 2012 | 47° | 37° | 42° | — | — |
| 2011 | 40° | 24° | 32° | — | — |
| 2010 | 42° | 33° | 38° | — | — |
| 2009 | 35° | 28° | 32° | 0.03" | 0.1" |
| 2008 | 50° | 35° | 43° | — | — |
| 2007 | 56° | 40° | 48° | 0.3" | — |
| 2006 | 47° | 24° | 35° | — | — |
| 2005 | 45° | 24° | 34° | — | — |
| 2004 | 40° | 22° | 31° | — | — |
| 2003 | 45° | 22° | 33° | — | — |
| 2002 | 42° | 22° | 32° | — | — |
| 2001 | 34° | 23° | 28° | — | — |
| 2000 | 56° | 38° | 47° | — | — |
| 1999 | 58° | 27° | 42° | 0.18" | 0.2" |
| 1998 | 46° | 30° | 38° | — | — |
| 1997 | 44° | 28° | 36° | — | — |
| 1996 | 54° | 31° | 42° | — | — |
| 1995 | 50° | 27° | 38° | — | — |
| 1994 | 34° | 15° | 24° | 0.28" | 1.3" |
| 1993 | 44° | 33° | 39° | — | — |
| 1992 | 48° | 27° | 37° | — | — |
| 1991 | 41° | 28° | 35° | — | — |
| 1990 | 43° | 33° | 38° | 0.69" | — |
| 1989coldest | 23° | -7° | 8° | — | — |
| 1988 | 46° | 37° | 42° | 0.33" | — |
| 1987 | 52° | 27° | 39° | — | — |
| 1986 | 34° | 17° | 25° | — | — |
| 1985 | 32° | 20° | 26° | — | 0.2" |
| 1984 | 39° | 20° | 29° | 0.05" | — |
| 1983 | 47° | 38° | 42° | 0.08" | — |
| 1982 | 21° | 1° | 11° | 0.03" | 0.8" |
| 1981 | 46° | 23° | 35° | — | — |
| 1980 | 46° | 26° | 36° | — | — |
| 1979 | 43° | 32° | 37° | — | — |
| 1978 | 48° | 37° | 43° | 0.48" | — |
| 1977 | 38° | 21° | 29° | 0.03" | — |
| 1976 | 39° | 24° | 32° | — | — |
| 1975 | 50° | 36° | 43° | 0.64" | — |
| 1974 | 48° | 29° | 38° | — | — |
| 1973 | 46° | 31° | 38° | — | — |
| 1972 | 44° | 28° | 36° | 0.03" | 0.1" |
| 1971 | 46° | 26° | 36° | 0.03" | — |
56 years of data from BOISE AIR TERMINAL