Weather on May 27
Boise, ID
55 Years of Data
Avg High
76°F
Avg Low
49°F
Warmest
1983
75°F avg
Coldest
2006
49°F avg
About This Date
May 27th in Boise, ID typically brings pleasant spring weather, with average highs around 76°F and lows near 49°F — a 27°F daily swing. Over 55 years of records, the warmest May 27th was in 1983 (75°F average), while the coldest was 2006 (49°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 27th dates historically, with the wettest May 27th recording 1.19" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 27th in Boise, ID? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 53° | 68° | — | — |
| 2024 | 85° | 50° | 67° | — | — |
| 2023 | 76° | 53° | 64° | — | — |
| 2022 | 78° | 56° | 67° | 0.3" | — |
| 2021 | 82° | 52° | 67° | — | — |
| 2020 | 83° | 53° | 68° | — | — |
| 2019 | 74° | 48° | 61° | 0.08" | — |
| 2018 | 83° | 50° | 66° | 0.48" | — |
| 2017 | 78° | 49° | 63° | — | — |
| 2016 | 69° | 50° | 60° | — | — |
| 2015 | 76° | 54° | 65° | 0.18" | — |
| 2014 | 86° | 50° | 68° | — | — |
| 2013 | 66° | 45° | 55° | 0.74" | — |
| 2012 | 65° | 49° | 57° | — | — |
| 2011 | 56° | 42° | 49° | 0.97" | — |
| 2010 | 63° | 48° | 55° | 0.3" | — |
| 2009 | 84° | 52° | 68° | — | — |
| 2008 | 72° | 55° | 63° | 0.1" | — |
| 2007 | 83° | 59° | 71° | — | — |
| 2006coldest | 55° | 42° | 49° | 1.19" | — |
| 2005 | 85° | 54° | 69° | — | — |
| 2004 | 68° | 53° | 61° | 1.17" | — |
| 2003 | 89° | 57° | 73° | — | — |
| 2002 | 87° | 53° | 70° | — | — |
| 2001 | 91° | 59° | 75° | — | — |
| 2000 | 81° | 58° | 69° | 0.05" | — |
| 1999 | 89° | 51° | 70° | — | — |
| 1998 | 60° | 43° | 51° | 0.25" | — |
| 1997 | 71° | 51° | 61° | — | — |
| 1996 | 73° | 47° | 60° | — | — |
| 1995 | 71° | 38° | 54° | — | — |
| 1994 | 68° | 49° | 58° | 0.1" | — |
| 1993 | 80° | 54° | 67° | — | — |
| 1992 | 78° | 47° | 62° | — | — |
| 1991 | 68° | 32° | 50° | — | — |
| 1990 | 73° | 54° | 63° | 0.66" | — |
| 1989 | 76° | 46° | 61° | — | — |
| 1988 | 76° | 55° | 65° | — | — |
| 1987 | 66° | 48° | 57° | — | — |
| 1986 | 93° | 55° | 74° | — | — |
| 1985 | 80° | 47° | 63° | 0.03" | — |
| 1984 | 70° | 38° | 54° | — | — |
| 1983warmest | 94° | 57° | 75° | — | — |
| 1982 | 60° | 43° | 51° | — | — |
| 1981 | 76° | 43° | 59° | — | — |
| 1980 | 60° | 44° | 52° | — | — |
| 1979 | 69° | 50° | 60° | — | — |
| 1978 | 72° | 49° | 60° | — | — |
| 1977 | 59° | 41° | 50° | — | — |
| 1976 | 90° | 55° | 72° | — | — |
| 1975 | 70° | 45° | 57° | — | — |
| 1974 | 79° | 53° | 66° | — | — |
| 1973 | 71° | 40° | 55° | — | — |
| 1972 | 84° | 49° | 66° | — | — |
| 1971 | 83° | 51° | 67° | — | — |
55 years of data from BOISE AIR TERMINAL