Weather on February 20
Boise, ID
55 Years of Data
About This Date
February 20th in Boise, ID typically brings chilly winter weather, with average highs around 47°F and lows near 29°F. Over 56 years of records, the warmest February 20th was in 1995 (51°F average), while the coldest was 2018 (19°F) — a 32°F range across recorded history. Precipitation has occurred on 29% of recorded February 20th dates, with snow falling 11% of the time (heaviest snowfall: 3.6"). The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
Planning for February 20th in Boise, ID? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 40° | 28° | 34° | — | — |
| 2025 | 44° | 29° | 37° | 0.05" | — |
| 2024 | 59° | 37° | 48° | — | — |
| 2023 | 55° | 35° | 45° | — | — |
| 2022 | 50° | 30° | 40° | — | — |
| 2021 | 41° | 30° | 36° | 0.05" | 0.2" |
| 2020 | 45° | 20° | 33° | — | — |
| 2019 | 35° | 22° | 29° | 0.56" | 3.6" |
| 2018coldest | 28° | 9° | 19° | — | — |
| 2017 | 57° | 40° | 48° | 0.1" | — |
| 2016 | 48° | 35° | 42° | — | — |
| 2015 | 53° | 36° | 44° | — | — |
| 2014 | 44° | 29° | 37° | 0.05" | — |
| 2013 | 44° | 26° | 35° | — | — |
| 2012 | 39° | 30° | 35° | — | — |
| 2011 | 37° | 26° | 32° | 0.2" | 0.6" |
| 2010 | 41° | 32° | 37° | — | — |
| 2009 | 50° | 27° | 38° | — | — |
| 2008 | 42° | 28° | 35° | — | — |
| 2007 | 53° | 36° | 44° | 0.03" | — |
| 2006 | 36° | 13° | 24° | — | — |
| 2005 | 51° | 30° | 41° | 0.03" | — |
| 2004 | 46° | 30° | 38° | — | — |
| 2003 | 49° | 35° | 42° | — | — |
| 2002 | 49° | 32° | 40° | — | — |
| 2001 | 48° | 36° | 42° | 0.51" | — |
| 2000 | 52° | 33° | 42° | — | — |
| 1999 | 46° | 26° | 36° | — | — |
| 1998 | 51° | 36° | 43° | — | — |
| 1997 | 44° | 27° | 35° | — | — |
| 1996 | 53° | 42° | 48° | — | — |
| 1995warmest | 67° | 36° | 51° | — | — |
| 1994 | 43° | 32° | 37° | 0.03" | — |
| 1993 | 42° | 31° | 36° | — | — |
| 1992 | 54° | 37° | 45° | 0.38" | — |
| 1991 | 60° | 32° | 46° | — | — |
| 1990 | 38° | 21° | 29° | 0.28" | 1.3" |
| 1989 | 43° | 25° | 34° | — | — |
| 1988 | 57° | 24° | 41° | — | — |
| 1987 | 44° | 21° | 33° | — | — |
| 1986 | 46° | 29° | 37° | 0.36" | 1" |
| 1985 | 37° | 21° | 29° | 0.15" | 1.1" |
| 1984 | 36° | 18° | 27° | — | — |
| 1983 | 49° | 37° | 43° | — | — |
| 1982 | 54° | 44° | 49° | — | — |
| 1981 | 44° | 28° | 36° | — | — |
| 1980 | 53° | 34° | 43° | 0.36" | — |
| 1979 | 47° | 29° | 38° | 0.03" | — |
| 1978 | 48° | 32° | 40° | — | — |
| 1977 | 69° | 29° | 49° | — | — |
| 1976 | 40° | 19° | 29° | — | — |
| 1975 | 41° | 27° | 34° | — | — |
| 1974 | 45° | 28° | 36° | — | — |
| 1973 | 47° | 23° | 35° | — | — |
| 1972 | 58° | 33° | 45° | — | — |
| 1971 | 50° | 30° | 40° | — | — |
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
Boise, ID has no months that meet our "pleasant" threshold — every season has tradeoffs.