Weather on August 17
Nampa, ID
55 Years of Data
Avg High
89°F
Avg Low
55°F
Warmest
2001
80°F avg
Coldest
1978
54°F avg
About This Date
August 17th in Nampa, ID typically brings warm summer weather, with average highs around 89°F and lows near 55°F — a 34°F daily swing. Over 44 years of records, the warmest August 17th was in 2001 (80°F average), while the coldest was 1978 (54°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 5% of August 17th dates historically.
Planning for August 17th in Nampa, ID? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2014 | 90° | 64° | 77° | — | — |
| 2013 | 95° | 64° | 80° | — | — |
| 2012 | 94° | 58° | 76° | — | — |
| 2011 | 90° | 53° | 71° | — | — |
| 2010 | 94° | 55° | 74° | — | — |
| 2009 | 81° | 51° | 66° | — | — |
| 2008 | 99° | 60° | 79° | — | — |
| 2007 | 98° | 58° | 78° | — | — |
| 2006 | 88° | 52° | 70° | — | — |
| 2005 | 94° | 60° | 77° | — | — |
| 2004 | 94° | 55° | 74° | 0.33" | — |
| 2003 | 88° | 59° | 73° | — | — |
| 2002 | 90° | 54° | 72° | — | — |
| 2001warmest | 100° | 60° | 80° | — | — |
| 2000 | 93° | 52° | 72° | — | — |
| 1999 | 90° | 50° | 70° | — | — |
| 1998 | 87° | 56° | 71° | — | — |
| 1997 | 87° | 52° | 69° | — | — |
| 1996 | 91° | 60° | 76° | — | — |
| 1995 | 79° | 54° | 66° | 0.25" | — |
| 1994 | 91° | 53° | 72° | — | — |
| 1993 | 70° | 46° | 58° | — | — |
| 1992 | 87° | 60° | 74° | — | — |
| 1991 | 93° | 58° | 75° | — | — |
| 1990 | 88° | 56° | 72° | — | — |
| 1989 | 82° | 47° | 64° | — | — |
| 1988 | 89° | 56° | 72° | — | — |
| 1987 | 79° | 39° | 59° | — | — |
| 1986 | 93° | 63° | 78° | — | — |
| 1985 | 84° | 53° | 69° | — | — |
| 1984 | 95° | 63° | 79° | — | — |
| 1983 | 90° | 56° | 73° | — | — |
| 1982 | 91° | 55° | 73° | — | — |
| 1981 | 95° | 53° | 74° | — | — |
| 1980 | 81° | 49° | 65° | — | — |
| 1979 | 80° | 52° | 66° | — | — |
| 1978coldest | 72° | 37° | 54° | — | — |
| 1977 | 99° | 54° | 76° | — | — |
| 1976 | 75° | 46° | 61° | — | — |
| 1975 | 89° | 63° | 76° | — | — |
| 1974 | 95° | 52° | 73° | — | — |
| 1973 | 95° | 55° | 75° | — | — |
| 1972 | 81° | 57° | 69° | — | — |
| 1971 | 97° | 59° | 78° | — | — |
44 years of data from NAMPA SUGAR FACTORY