Weather on April 18
Nampa, ID
55 Years of Data
About This Date
April 18th in Nampa, ID typically brings mild spring weather, with average highs around 66°F and lows near 37°F — a 29°F daily swing. Over 45 years of records, the warmest April 18th was in 1994 (65°F average), while the coldest was 1972 (40°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 31% of April 18th dates historically.
Planning for April 18th in Nampa, ID? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2015 | 74° | 31° | 52° | — | — |
| 2014 | 75° | 36° | 55° | 0.12" | — |
| 2013 | 55° | 29° | 42° | — | — |
| 2012 | 65° | 45° | 55° | 0.06" | — |
| 2011 | 62° | 42° | 52° | 0.02" | — |
| 2010 | 72° | 41° | 56° | — | — |
| 2009 | 69° | 36° | 52° | — | — |
| 2008 | 67° | 32° | 49° | — | — |
| 2007 | 69° | 39° | 54° | 0.16" | — |
| 2006 | 55° | 29° | 42° | — | — |
| 2005 | 57° | 35° | 46° | 0.05" | — |
| 2004 | 63° | 38° | 50° | — | — |
| 2003 | 65° | 34° | 49° | — | — |
| 2002 | 54° | 33° | 43° | — | — |
| 2001 | 72° | 39° | 55° | — | — |
| 2000 | 74° | 42° | 58° | — | — |
| 1999 | 70° | 35° | 52° | — | — |
| 1998 | 60° | 29° | 44° | — | — |
| 1997 | 71° | 51° | 61° | — | — |
| 1996 | 62° | 38° | 50° | 0.12" | — |
| 1995 | 61° | 36° | 48° | — | — |
| 1994warmest | 85° | 45° | 65° | — | — |
| 1993 | 62° | 35° | 49° | 0.16" | — |
| 1992 | 62° | 39° | 51° | 0.09" | — |
| 1991 | 56° | 38° | 47° | 0.01" | — |
| 1990 | 80° | 49° | 64° | — | — |
| 1989 | 75° | 44° | 60° | — | — |
| 1988 | 70° | 40° | 55° | — | — |
| 1987 | 80° | 44° | 62° | — | — |
| 1986 | 57° | 31° | 44° | — | — |
| 1985 | 75° | 45° | 60° | — | — |
| 1984 | 59° | 41° | 50° | 0.03" | — |
| 1983 | 71° | 45° | 58° | — | — |
| 1982 | 63° | 34° | 48° | — | — |
| 1981 | 70° | 31° | 50° | — | — |
| 1980 | 83° | 42° | 62° | — | — |
| 1979 | 65° | 29° | 47° | 0.13" | — |
| 1978 | 54° | 30° | 42° | — | — |
| 1977 | 60° | 30° | 45° | — | — |
| 1976 | 58° | 39° | 48° | 0.03" | — |
| 1975 | 63° | 37° | 50° | — | — |
| 1974 | 75° | 49° | 62° | — | — |
| 1973 | 53° | 33° | 43° | 0.01" | — |
| 1972coldest | 52° | 28° | 40° | — | — |
| 1971 | 60° | 39° | 50° | 0.02" | — |
Nampa, ID Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Nampa, ID Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Nampa, ID Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Nampa, ID
Most pleasant months in Nampa, ID: April, May, September, October.
What to expect on April 18th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
April 18th outlook →