Weather on May 16
Boise, ID
55 Years of Data
Avg High
72°F
Avg Low
46°F
Warmest
2006
75°F avg
Coldest
1974
42°F avg
About This Date
May 16th in Boise, ID typically brings pleasant spring weather, with average highs around 72°F and lows near 46°F — a 26°F daily swing. Over 55 years of records, the warmest May 16th was in 2006 (75°F average), while the coldest was 1974 (42°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 16th dates historically, with the wettest May 16th recording 2.06" of rain. The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
Planning for May 16th in Boise, ID? Great weather for outdoor activities.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 49° | 57° | — | — |
| 2024 | 86° | 51° | 69° | — | — |
| 2023 | 83° | 56° | 69° | — | — |
| 2022 | 78° | 54° | 66° | — | — |
| 2021 | 85° | 51° | 68° | — | — |
| 2020 | 73° | 45° | 59° | — | — |
| 2019 | 59° | 50° | 55° | 0.51" | — |
| 2018 | 76° | 55° | 65° | 1.17" | — |
| 2017 | 53° | 39° | 46° | 1.27" | — |
| 2016 | 70° | 47° | 58° | — | — |
| 2015 | 65° | 50° | 57° | 0.05" | — |
| 2014 | 82° | 58° | 70° | — | — |
| 2013 | 68° | 55° | 62° | — | — |
| 2012 | 87° | 55° | 71° | — | — |
| 2011 | 55° | 37° | 46° | 0.69" | — |
| 2010 | 84° | 59° | 72° | — | — |
| 2009 | 79° | 45° | 62° | — | — |
| 2008 | 88° | 58° | 73° | — | — |
| 2007 | 93° | 54° | 73° | — | — |
| 2006warmest | 94° | 57° | 75° | — | — |
| 2005 | 59° | 46° | 53° | 2.06" | — |
| 2004 | 65° | 45° | 55° | 0.18" | — |
| 2003 | 60° | 39° | 50° | — | — |
| 2002 | 71° | 40° | 55° | — | — |
| 2001 | 65° | 47° | 56° | 0.15" | — |
| 2000 | 73° | 53° | 63° | — | — |
| 1999 | 64° | 33° | 49° | — | — |
| 1998 | 58° | 44° | 51° | 0.46" | — |
| 1997 | 88° | 61° | 74° | — | — |
| 1996 | 60° | 51° | 56° | 1.09" | — |
| 1995 | 68° | 51° | 60° | 0.08" | — |
| 1994 | 66° | 45° | 55° | — | — |
| 1993 | 83° | 55° | 69° | — | — |
| 1992 | 79° | 39° | 59° | — | — |
| 1991 | 77° | 46° | 62° | — | — |
| 1990 | 73° | 38° | 55° | — | — |
| 1989 | 72° | 39° | 55° | — | — |
| 1988 | 84° | 50° | 67° | 0.23" | — |
| 1987 | 71° | 57° | 64° | 0.03" | — |
| 1986 | 65° | 30° | 47° | — | — |
| 1985 | 68° | 45° | 56° | 0.25" | — |
| 1984 | 57° | 31° | 44° | — | — |
| 1983 | 61° | 38° | 49° | — | — |
| 1982 | 73° | 37° | 55° | — | — |
| 1981 | 65° | 35° | 50° | — | — |
| 1980 | 59° | 41° | 50° | 0.33" | — |
| 1979 | 75° | 48° | 62° | — | — |
| 1978 | 60° | 37° | 49° | — | — |
| 1977 | 57° | 41° | 49° | — | — |
| 1976 | 83° | 48° | 65° | — | — |
| 1975 | 74° | 49° | 61° | — | — |
| 1974coldest | 56° | 28° | 42° | — | — |
| 1973 | 89° | 54° | 71° | — | — |
| 1972 | 87° | 47° | 67° | — | — |
| 1971 | 54° | 43° | 48° | — | — |
55 years of data from BOISE AIR TERMINAL