Weather on April 20
Nampa, ID
55 Years of Data
Avg High
65°F
Avg Low
38°F
Warmest
1994
65°F avg
Coldest
1982
37°F avg
About This Date
April 20th in Nampa, ID typically brings mild spring weather, with average highs around 65°F and lows near 38°F — a 27°F daily swing. Over 45 years of records, the warmest April 20th was in 1994 (65°F average), while the coldest was 1982 (37°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 29% of April 20th dates historically, with the wettest April 20th recording 2.34" of rain.
Planning for April 20th in Nampa, ID? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2015 | 73° | 39° | 56° | — | — |
| 2014 | 79° | 44° | 61° | — | — |
| 2013 | 59° | 42° | 51° | 0.51" | — |
| 2012 | 65° | 46° | 55° | 0.1" | — |
| 2011 | 55° | 29° | 42° | — | — |
| 2010 | 82° | 41° | 62° | — | — |
| 2009 | 83° | 44° | 63° | — | — |
| 2008 | 47° | 29° | 38° | — | — |
| 2007 | 56° | 33° | 44° | — | — |
| 2006 | 63° | 36° | 49° | — | — |
| 2005 | 62° | 39° | 51° | — | — |
| 2004 | 59° | 39° | 49° | 0.05" | — |
| 2003 | 63° | 39° | 51° | — | — |
| 2002 | 62° | 32° | 47° | — | — |
| 2001 | 60° | 43° | 51° | — | — |
| 2000 | 72° | 46° | 59° | 0.13" | — |
| 1999 | 70° | 45° | 57° | 0.1" | — |
| 1998 | 67° | 30° | 48° | — | — |
| 1997 | 70° | 51° | 60° | 0.3" | — |
| 1996 | 58° | 33° | 45° | 0.25" | — |
| 1995 | 60° | 34° | 47° | 0.46" | — |
| 1994warmest | 82° | 48° | 65° | — | — |
| 1993 | 59° | 32° | 46° | — | — |
| 1992 | 68° | 36° | 52° | — | — |
| 1991 | 65° | 36° | 50° | — | — |
| 1990 | 79° | 46° | 62° | 0.03" | — |
| 1989 | 82° | 45° | 63° | — | — |
| 1988 | 68° | 43° | 55° | 0.69" | — |
| 1987 | 57° | 27° | 42° | — | — |
| 1986 | 67° | 32° | 49° | — | — |
| 1985 | 56° | 24° | 40° | 0.66" | — |
| 1984 | 57° | 37° | 47° | — | — |
| 1983 | 69° | 43° | 56° | — | — |
| 1982coldest | 51° | 23° | 37° | — | — |
| 1981 | 73° | 45° | 59° | 2.34" | — |
| 1980 | 80° | 40° | 60° | — | — |
| 1979 | 55° | 30° | 43° | — | — |
| 1978 | 71° | 40° | 55° | — | — |
| 1977 | 58° | 25° | 41° | — | — |
| 1976 | 67° | 46° | 56° | 0.05" | — |
| 1975 | 61° | 33° | 47° | — | — |
| 1974 | 65° | 36° | 50° | — | — |
| 1973 | 58° | 36° | 47° | — | — |
| 1972 | 67° | 37° | 52° | — | — |
| 1971 | 67° | 37° | 52° | — | — |
45 years of data from NAMPA SUGAR FACTORY