Weather on March 21
Nampa, ID
55 Years of Data
Avg High
60°F
Avg Low
32°F
Warmest
1999
58°F avg
Coldest
1982
35°F avg
About This Date
March 21st in Nampa, ID typically brings mild spring weather, with average highs around 60°F and lows near 32°F — a 28°F daily swing. Over 45 years of records, the warmest March 21st was in 1999 (58°F average), while the coldest was 1982 (35°F) — a 23°F range across recorded history. Precipitation has occurred on 29% of recorded March 21st dates, with snow falling 2% of the time.
Planning for March 21st in Nampa, ID? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2015 | 70° | 33° | 51° | — | — |
| 2014 | 51° | 25° | 38° | — | — |
| 2013 | 65° | 34° | 49° | — | — |
| 2012 | 44° | 31° | 37° | 0.25" | 0.1" |
| 2011 | 62° | 38° | 50° | 0.08" | — |
| 2010 | 63° | 33° | 48° | — | — |
| 2009 | 72° | 42° | 57° | — | — |
| 2008 | 51° | 31° | 41° | — | — |
| 2007 | 58° | 32° | 45° | — | — |
| 2006 | 55° | 27° | 41° | 0.13" | — |
| 2005 | 60° | 42° | 51° | 0.33" | — |
| 2004 | 68° | 34° | 51° | — | — |
| 2003 | 62° | 36° | 49° | — | — |
| 2002 | 66° | 36° | 51° | — | — |
| 2001 | 64° | 39° | 52° | — | — |
| 2000 | 51° | 27° | 39° | — | — |
| 1999warmest | 71° | 44° | 58° | — | — |
| 1998 | 68° | 37° | 53° | — | — |
| 1997 | 58° | 31° | 44° | 0.25" | — |
| 1996 | 64° | 33° | 49° | — | — |
| 1995 | 62° | 33° | 48° | 0.2" | — |
| 1994 | 58° | 22° | 40° | — | — |
| 1993 | 57° | 31° | 44° | — | — |
| 1992 | 65° | 29° | 47° | — | — |
| 1991 | 55° | 28° | 42° | — | — |
| 1990 | 64° | 34° | 49° | — | — |
| 1989 | 55° | 34° | 44° | 0.13" | — |
| 1988 | 72° | 40° | 56° | — | — |
| 1987 | 55° | 25° | 40° | — | — |
| 1986 | 66° | 39° | 53° | — | — |
| 1985 | 63° | 31° | 47° | 0.1" | — |
| 1984 | 67° | 38° | 52° | 0.08" | — |
| 1983 | 52° | 30° | 41° | — | — |
| 1982coldest | 49° | 22° | 35° | — | — |
| 1981 | 42° | 30° | 36° | 2.26" | — |
| 1980 | 55° | 30° | 43° | 1.19" | — |
| 1979 | 59° | 30° | 45° | — | — |
| 1978 | 73° | 34° | 53° | — | — |
| 1977 | 51° | 23° | 37° | — | — |
| 1976 | 59° | 23° | 41° | — | — |
| 1975 | 48° | 30° | 39° | 0.3" | — |
| 1974 | 58° | 21° | 39° | — | — |
| 1973 | 53° | 40° | 46° | 1.7" | — |
| 1972 | 68° | 39° | 54° | — | — |
| 1971 | 60° | 31° | 45° | — | — |
45 years of data from NAMPA SUGAR FACTORY