Weather on December 31
Nampa, ID
55 Years of Data
Avg High
36°F
Avg Low
19°F
Warmest
1996
50°F avg
Coldest
1990
-3°F avg
About This Date
December 31st in Nampa, ID typically brings cold winter weather, with average highs around 36°F and lows near 19°F. Over 44 years of records, the warmest December 31st was in 1996 (50°F average), while the coldest was 1990 (-3°F) — a 53°F range across recorded history. Precipitation has occurred on 39% of recorded December 31st dates, with snow falling 11% of the time.
Planning for December 31st in Nampa, ID? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
2.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2014 | 27° | 7° | 17° | — | — |
| 2013 | 35° | 24° | 30° | — | — |
| 2012 | 27° | 11° | 19° | — | — |
| 2011 | 60° | 31° | 45° | 0.18" | — |
| 2010 | 30° | 13° | 21° | — | — |
| 2009 | 39° | 22° | 30° | — | — |
| 2008 | 42° | 28° | 35° | — | — |
| 2007 | 40° | 18° | 29° | — | — |
| 2006 | 37° | 20° | 28° | — | — |
| 2005 | 47° | 35° | 41° | 1.35" | — |
| 2004 | 47° | 28° | 37° | 0.05" | — |
| 2003 | 30° | 18° | 24° | 0.2" | 1" |
| 2002 | 43° | 33° | 38° | 2.06" | 1" |
| 2001 | 36° | 28° | 32° | 0.1" | 0.5" |
| 2000 | 31° | 24° | 27° | — | — |
| 1999 | 27° | 21° | 24° | — | — |
| 1998 | 53° | 30° | 42° | 0.03" | — |
| 1997 | 45° | 24° | 34° | — | — |
| 1996warmest | 57° | 43° | 50° | 0.13" | — |
| 1995 | 35° | 30° | 33° | 0.91" | — |
| 1994 | 36° | 15° | 25° | — | — |
| 1993 | 39° | 23° | 31° | 0.05" | 0.1" |
| 1992 | 41° | 28° | 35° | — | — |
| 1991 | 39° | 22° | 30° | 0.25" | — |
| 1990coldest | 9° | -14° | -3° | — | — |
| 1989 | 52° | 14° | 33° | — | — |
| 1988 | 31° | 12° | 21° | 0.18" | — |
| 1987 | 40° | 22° | 31° | 0.28" | — |
| 1986 | 30° | 12° | 21° | — | — |
| 1985 | 18° | -3° | 8° | — | — |
| 1984 | 45° | 24° | 34° | — | — |
| 1983 | 31° | 25° | 28° | 0.25" | — |
| 1982 | 18° | 8° | 13° | — | — |
| 1981 | 30° | 12° | 21° | — | — |
| 1980 | 49° | 29° | 39° | — | — |
| 1979 | 32° | 18° | 25° | — | — |
| 1978 | 12° | -8° | 2° | 0.08" | — |
| 1977 | 37° | 24° | 31° | 0.38" | — |
| 1976 | 39° | 12° | 26° | — | — |
| 1975 | 36° | 26° | 31° | — | — |
| 1974 | 27° | 2° | 14° | — | — |
| 1973 | 36° | 19° | 27° | — | — |
| 1972 | 42° | 21° | 32° | 0.05" | 0.3" |
| 1971 | 31° | 18° | 24° | — | — |
44 years of data from NAMPA SUGAR FACTORY