Weather on May 11
Boise, ID
55 Years of Data
Avg High
71°F
Avg Low
44°F
Warmest
1993
74°F avg
Coldest
2000
44°F avg
About This Date
May 11th in Boise, ID typically brings pleasant spring weather, with average highs around 71°F and lows near 44°F — a 27°F daily swing. Over 55 years of records, the warmest May 11th was in 1993 (74°F average), while the coldest was 2000 (44°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 24% of May 11th dates historically, with the wettest May 11th recording 0.69" of rain. The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
Planning for May 11th in Boise, ID? Great weather for outdoor activities.
Warming Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 59° | 72° | — | — |
| 2024 | 82° | 50° | 66° | — | — |
| 2023 | 74° | 42° | 58° | — | — |
| 2022 | 61° | 35° | 48° | — | — |
| 2021 | 70° | 41° | 55° | — | — |
| 2020 | 82° | 56° | 69° | — | — |
| 2019 | 81° | 49° | 65° | — | — |
| 2018 | 59° | 43° | 51° | 0.48" | — |
| 2017 | 84° | 57° | 71° | — | — |
| 2016 | 71° | 41° | 56° | — | — |
| 2015 | 76° | 51° | 63° | — | — |
| 2014 | 67° | 41° | 54° | — | — |
| 2013 | 91° | 58° | 74° | — | — |
| 2012 | 66° | 35° | 51° | — | — |
| 2011 | 75° | 45° | 60° | — | — |
| 2010 | 69° | 42° | 56° | — | — |
| 2009 | 73° | 48° | 61° | — | — |
| 2008 | 67° | 45° | 56° | — | — |
| 2007 | 85° | 49° | 67° | — | — |
| 2006 | 82° | 49° | 65° | — | — |
| 2005 | 63° | 45° | 54° | 0.13" | — |
| 2004 | 58° | 43° | 50° | 0.13" | — |
| 2003 | 61° | 46° | 53° | 0.46" | — |
| 2002 | 69° | 36° | 52° | — | — |
| 2001 | 89° | 47° | 68° | — | — |
| 2000coldest | 51° | 37° | 44° | 0.18" | — |
| 1999 | 62° | 33° | 48° | — | — |
| 1998 | 64° | 48° | 56° | 0.08" | — |
| 1997 | 84° | 52° | 68° | — | — |
| 1996 | 80° | 49° | 64° | — | — |
| 1995 | 59° | 45° | 52° | 0.41" | — |
| 1994 | 89° | 49° | 69° | — | — |
| 1993warmest | 91° | 58° | 74° | — | — |
| 1992 | 68° | 42° | 55° | — | — |
| 1991 | 62° | 43° | 52° | 0.15" | — |
| 1990 | 70° | 46° | 58° | — | — |
| 1989 | 61° | 40° | 50° | — | — |
| 1988 | 85° | 48° | 66° | — | — |
| 1987 | 86° | 48° | 67° | — | — |
| 1986 | 54° | 36° | 45° | 0.13" | — |
| 1985 | 55° | 36° | 45° | — | — |
| 1984 | 66° | 49° | 57° | 0.46" | — |
| 1983 | 57° | 34° | 45° | — | — |
| 1982 | 63° | 36° | 49° | — | — |
| 1981 | 62° | 38° | 50° | — | — |
| 1980 | 56° | 43° | 49° | 0.69" | — |
| 1979 | 67° | 36° | 51° | — | — |
| 1978 | 57° | 41° | 49° | 0.1" | — |
| 1977 | 63° | 35° | 49° | — | — |
| 1976 | 64° | 43° | 53° | — | — |
| 1975 | 65° | 48° | 56° | 0.41" | — |
| 1974 | 70° | 38° | 54° | — | — |
| 1973 | 75° | 37° | 56° | — | — |
| 1972 | 71° | 35° | 53° | — | — |
| 1971 | 81° | 52° | 66° | — | — |
55 years of data from BOISE AIR TERMINAL