Weather on May 31
Nampa, ID
55 Years of Data
About This Date
May 31st in Nampa, ID typically brings pleasant spring weather, with average highs around 78°F and lows near 48°F — a 30°F daily swing. Over 45 years of records, the warmest May 31st was in 1986 (83°F average), while the coldest was 1988 (47°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 20% of May 31st dates historically, with the wettest May 31st recording 1.14" of rain.
Planning for May 31st in Nampa, ID? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2015 | 85° | 55° | 70° | — | — |
| 2014 | 80° | 41° | 61° | — | — |
| 2013 | 69° | 43° | 56° | — | — |
| 2012 | 81° | 51° | 66° | — | — |
| 2011 | 70° | 46° | 58° | — | — |
| 2010 | 74° | 40° | 57° | — | — |
| 2009 | 93° | 65° | 79° | — | — |
| 2008 | 70° | 48° | 59° | — | — |
| 2007 | 86° | 52° | 69° | — | — |
| 2006 | 77° | 47° | 62° | — | — |
| 2005 | 82° | 51° | 67° | 0.03" | — |
| 2004 | 71° | 42° | 57° | — | — |
| 2003 | 76° | 54° | 65° | 0.41" | — |
| 2002 | 88° | 53° | 70° | — | — |
| 2001 | 80° | 51° | 66° | — | — |
| 2000 | 73° | 39° | 56° | — | — |
| 1999 | 72° | 45° | 58° | — | — |
| 1998 | 66° | 41° | 54° | 0.03" | — |
| 1997 | 91° | 60° | 76° | 0.38" | — |
| 1996 | 74° | 38° | 56° | — | — |
| 1995 | 90° | 55° | 72° | — | — |
| 1994 | 78° | 54° | 66° | — | — |
| 1993 | 86° | 56° | 71° | — | — |
| 1992 | 84° | 51° | 68° | — | — |
| 1991 | 65° | 45° | 55° | — | — |
| 1990 | 70° | 46° | 58° | 0.3" | — |
| 1989 | 74° | 42° | 58° | — | — |
| 1988coldest | 59° | 35° | 47° | — | — |
| 1987 | 75° | 50° | 63° | 0.25" | — |
| 1986warmest | 100° | 67° | 83° | — | — |
| 1985 | 66° | 45° | 55° | — | — |
| 1984 | 92° | 40° | 66° | — | — |
| 1983 | 91° | 61° | 76° | — | — |
| 1982 | 70° | 42° | 56° | — | — |
| 1981 | 80° | 40° | 60° | 1.14" | — |
| 1980 | 72° | 45° | 58° | — | — |
| 1979 | 73° | 37° | 55° | — | — |
| 1978 | 68° | 30° | 49° | — | — |
| 1977 | 81° | 46° | 63° | — | — |
| 1976 | 71° | 50° | 61° | 0.36" | — |
| 1975 | 86° | 55° | 71° | — | — |
| 1974 | 78° | 41° | 60° | — | — |
| 1973 | 88° | 58° | 73° | — | — |
| 1972 | 98° | 63° | 80° | — | — |
| 1971 | 64° | 46° | 55° | 0.2" | — |
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
Nampa, ID has no months that meet our "pleasant" threshold — every season has tradeoffs.