Weather on December 19
Boise, ID
55 Years of Data
Avg High
37°F
Avg Low
22°F
Warmest
1981
46°F avg
Coldest
1984
4°F avg
About This Date
December 19th in Boise, ID typically brings cold winter weather, with average highs around 37°F and lows near 22°F. Over 55 years of records, the warmest December 19th was in 1981 (46°F average), while the coldest was 1984 (4°F) — a 42°F range across recorded history. Precipitation has occurred on 38% of recorded December 19th dates, with snow falling 16% of the time (heaviest snowfall: 4.2"). The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
Planning for December 19th in Boise, ID? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 58° | 33° | 45° | 0.2" | — |
| 2024 | 50° | 32° | 41° | — | — |
| 2023 | 43° | 31° | 37° | 0.05" | — |
| 2022 | 22° | 6° | 14° | — | — |
| 2021 | 38° | 27° | 33° | 0.03" | — |
| 2020 | 49° | 33° | 41° | — | — |
| 2019 | 45° | 30° | 38° | 0.03" | 0.2" |
| 2018 | 50° | 34° | 42° | — | — |
| 2017 | 52° | 29° | 41° | — | — |
| 2016 | 20° | 6° | 13° | 0.1" | 0.4" |
| 2015 | 43° | 33° | 38° | 0.03" | — |
| 2014 | 45° | 36° | 40° | 0.41" | — |
| 2013 | 32° | 15° | 24° | — | — |
| 2012 | 35° | 18° | 26° | — | — |
| 2011 | 43° | 18° | 30° | — | — |
| 2010 | 41° | 32° | 37° | 1.47" | 0.9" |
| 2009 | 37° | 29° | 33° | 0.03" | — |
| 2008 | 33° | 19° | 26° | 0.03" | 0.2" |
| 2007 | 43° | 36° | 39° | 0.71" | — |
| 2006 | 30° | 14° | 22° | — | — |
| 2005 | 34° | 25° | 29° | 0.51" | 1.2" |
| 2004 | 33° | 29° | 31° | — | — |
| 2003 | 45° | 27° | 36° | — | — |
| 2002 | 39° | 28° | 34° | — | — |
| 2001 | 42° | 33° | 38° | 0.03" | — |
| 2000 | 33° | 23° | 28° | — | — |
| 1999 | 42° | 28° | 35° | — | — |
| 1998 | 22° | 14° | 18° | — | — |
| 1997 | 35° | 19° | 27° | — | — |
| 1996 | 31° | 16° | 23° | — | — |
| 1995 | 38° | 21° | 29° | — | — |
| 1994 | 45° | 29° | 37° | — | — |
| 1993 | 35° | 16° | 25° | — | — |
| 1992 | 28° | 7° | 17° | — | — |
| 1991 | 38° | 22° | 30° | — | — |
| 1990 | 29° | 9° | 19° | 0.38" | 4.2" |
| 1989 | 41° | 18° | 29° | — | — |
| 1988 | 33° | 20° | 26° | 0.23" | 1.3" |
| 1987 | 38° | 16° | 27° | — | — |
| 1986 | 28° | 23° | 26° | 0.1" | 0.4" |
| 1985 | 16° | -3° | 7° | — | — |
| 1984coldest | 13° | -6° | 4° | — | — |
| 1983 | 28° | 5° | 17° | 0.03" | 0.3" |
| 1982 | 47° | 37° | 42° | — | — |
| 1981warmest | 52° | 41° | 46° | 1.27" | — |
| 1980 | 31° | 27° | 29° | 0.08" | — |
| 1979 | 43° | 26° | 34° | — | — |
| 1978 | 30° | 12° | 21° | — | — |
| 1977 | 37° | 23° | 30° | — | — |
| 1976 | 43° | 10° | 26° | — | — |
| 1975 | 24° | 16° | 20° | — | — |
| 1974 | 42° | 24° | 33° | 0.2" | — |
| 1973 | 46° | 33° | 40° | — | — |
| 1972 | 47° | 37° | 42° | 0.43" | — |
| 1971 | 27° | 11° | 19° | — | — |
55 years of data from BOISE AIR TERMINAL