Weather on November 20
Boise, ID
55 Years of Data
Avg High
47°F
Avg Low
30°F
Warmest
2012
58°F avg
Coldest
1977
21°F avg
About This Date
November 20th in Boise, ID typically brings chilly fall weather, with average highs around 47°F and lows near 30°F. Over 55 years of records, the warmest November 20th was in 2012 (58°F average), while the coldest was 1977 (21°F) — a 37°F range across recorded history. Precipitation has occurred on 33% of recorded November 20th dates, with snow falling 11% of the time (heaviest snowfall: 1.5"). 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 November 20th in Boise, ID? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 49° | 36° | 42° | 0.28" | — |
| 2024 | 51° | 40° | 45° | 0.05" | — |
| 2023 | 47° | 28° | 38° | — | — |
| 2022 | 35° | 18° | 27° | — | — |
| 2021 | 47° | 32° | 39° | — | — |
| 2020 | 46° | 29° | 38° | — | — |
| 2019 | 55° | 30° | 43° | — | — |
| 2018 | 47° | 25° | 36° | — | — |
| 2017 | 49° | 38° | 43° | 0.25" | — |
| 2016 | 50° | 40° | 45° | — | — |
| 2015 | 43° | 26° | 35° | — | — |
| 2014 | 30° | 14° | 22° | — | — |
| 2013 | 48° | 30° | 39° | 1.07" | — |
| 2012warmest | 62° | 54° | 58° | — | — |
| 2011 | 42° | 24° | 33° | — | — |
| 2010 | 39° | 31° | 35° | 0.33" | 0.7" |
| 2009 | 59° | 39° | 49° | — | — |
| 2008 | 67° | 37° | 52° | — | — |
| 2007 | 43° | 27° | 35° | 0.23" | 1.1" |
| 2006 | 59° | 50° | 55° | — | — |
| 2005 | 48° | 28° | 38° | — | — |
| 2004 | 44° | 24° | 34° | — | — |
| 2003 | 44° | 30° | 37° | — | — |
| 2002 | 58° | 36° | 47° | — | — |
| 2001 | 57° | 39° | 48° | 0.03" | — |
| 2000 | 33° | 19° | 26° | — | — |
| 1999 | 52° | 34° | 43° | 0.1" | — |
| 1998 | 51° | 40° | 45° | 0.25" | — |
| 1997 | 45° | 36° | 40° | 0.23" | — |
| 1996 | 55° | 38° | 46° | 0.18" | — |
| 1995 | 56° | 35° | 45° | — | — |
| 1994 | 34° | 16° | 25° | 0.25" | 1.5" |
| 1993 | 44° | 23° | 34° | — | — |
| 1992 | 41° | 27° | 34° | — | — |
| 1991 | 49° | 38° | 43° | 0.28" | — |
| 1990 | 42° | 32° | 37° | 0.05" | — |
| 1989 | 50° | 28° | 39° | — | — |
| 1988 | 44° | 33° | 39° | — | — |
| 1987 | 53° | 28° | 41° | — | — |
| 1986 | 60° | 40° | 50° | — | — |
| 1985 | 30° | 12° | 21° | 0.33" | 1.3" |
| 1984 | 47° | 34° | 40° | — | — |
| 1983 | 42° | 22° | 32° | — | — |
| 1982 | 47° | 28° | 37° | 0.18" | 0.5" |
| 1981 | 46° | 40° | 43° | 0.15" | — |
| 1980 | 49° | 23° | 36° | — | — |
| 1979 | 42° | 17° | 30° | — | — |
| 1978 | 58° | 32° | 45° | — | — |
| 1977coldest | 31° | 11° | 21° | — | — |
| 1976 | 49° | 24° | 36° | — | — |
| 1975 | 39° | 25° | 32° | — | — |
| 1974 | 60° | 42° | 51° | — | — |
| 1973 | 37° | 28° | 33° | 0.13" | 0.6" |
| 1972 | 44° | 28° | 36° | — | — |
| 1971 | 50° | 33° | 42° | — | — |
55 years of data from BOISE AIR TERMINAL