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Statistics · City
Average annual temperature in Boise
1931 – 2025 · 92 data points
Updated Oct 21, 2026
Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1931 – 2025
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Latest value · 2025
55 °F
+0.0 °F
since 2024
First value · 1931
53 °F
since 2015
+0.1 °F
Average annual temperature, 1931 – 2025 °F
+0.1 °F since 2015
45 °F
48 °F
50 °F
52 °F
55 °F
58 °F
1931
1980
2025
Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1931 – 2025
Compared with Average annual temperature · °F
Boise
55 °F
United States 55 °F
Sources: NOAA National Centers for Environmental Information — GHCN-Daily · NOAA National Centers for Environmental Information, Climate at a Glance
The series at a glance Boise · 1931 – 2025
Latest value
55 °F · 2025
First value
53 °F · 1931
Highest
55 °F · 2025
Lowest
46 °F · 1985
Data points
92
By year
All years · 1931 – 2025
| Year | Boise | Change | United States |
|---|---|---|---|
| 2025 | 55 °F | +0.0 °F | 55 °F |
| 2024 | 55 °F | +0.8 °F | 55 °F |
| 2023 | 55 °F | +1.9 °F | 54 °F |
| 2022 | 53 °F | −2.6 °F | 53 °F |
| 2021 | 55 °F | +1.2 °F | 54 °F |
| 2020 | 54 °F | +1.1 °F | 54 °F |
| 2019 | 53 °F | −1.2 °F | 53 °F |
| 2018 | 54 °F | +1.2 °F | 54 °F |
| 2017 | 53 °F | −1.5 °F | 55 °F |
| 2016 | 54 °F | −1.0 °F | 55 °F |
| 2015 | 55 °F | +1.2 °F | 54 °F |
| 2014 | 54 °F | +2.4 °F | 53 °F |
| 2013 | 52 °F | −3.5 °F | 52 °F |
| 2012 | 55 °F | +2.9 °F | 55 °F |
| 2011 | 52 °F | −0.9 °F | 53 °F |
| 2010 | 53 °F | +0.7 °F | 53 °F |
| 2009 | 53 °F | +0.2 °F | 52 °F |
| 2008 | 52 °F | −1.8 °F | 52 °F |
| 2007 | 54 °F | +0.4 °F | 54 °F |
| 2006 | 54 °F | +1.2 °F | 54 °F |
| 2005 | 53 °F | −0.8 °F | 54 °F |
| 2004 | 53 °F | −1.7 °F | 53 °F |
| 2003 | 55 °F | +2.4 °F | 53 °F |
| 2002 | 53 °F | −0.4 °F | 53 °F |
| 2001 | 53 °F | +0.0 °F | 54 °F |
| 2000 | 53 °F | +0.1 °F | 53 °F |
| 1999 | 53 °F | −1.0 °F | 54 °F |
| 1998 | 54 °F | +1.0 °F | 54 °F |
| 1997 | 53 °F | +0.6 °F | 52 °F |
| 1996 | 52 °F | +0.0 °F | 52 °F |
| 1995 | 52 °F | −0.1 °F | 53 °F |
| 1994 | 52 °F | +3.7 °F | 53 °F |
| 1993 | 49 °F | −4.6 °F | 51 °F |
| 1992 | 53 °F | +2.1 °F | 53 °F |
| 1991 | 51 °F | −0.6 °F | 53 °F |
| 1990 | 52 °F | +1.6 °F | 53 °F |
| 1989 | 50 °F | −1.9 °F | 52 °F |
| 1988 | 52 °F | −0.8 °F | 53 °F |
| 1987 | 53 °F | +1.0 °F | 53 °F |
| 1986 | 52 °F | +6.0 °F | 53 °F |
| 1985 | 46 °F | −2.0 °F | 51 °F |
| 1984 | 48 °F | −3.3 °F | 52 °F |
| 1983 | 51 °F | +2.5 °F | 52 °F |
| 1982 | 49 °F | −3.0 °F | 51 °F |
| 1981 | 52 °F | +0.8 °F | 53 °F |
| 1980 | 51 °F | +0.5 °F | 52 °F |
| 1979 | 50 °F | −0.6 °F | 51 °F |
| 1978 | 51 °F | +0.3 °F | 51 °F |
| 1977 | 51 °F | +0.9 °F | 53 °F |
| 1976 | 50 °F | −0.8 °F | 51 °F |
| 1975 | 51 °F | −1.4 °F | 51 °F |
| 1974 | 52 °F | −0.8 °F | 52 °F |
| 1973 | 53 °F | +2.0 °F | 52 °F |
| 1972 | 51 °F | −0.5 °F | 51 °F |
| 1971 | 51 °F | −0.5 °F | 52 °F |
| 1970 | 52 °F | +0.2 °F | 52 °F |
| 1969 | 52 °F | −0.5 °F | 51 °F |
| 1968 | 52 °F | −0.0 °F | 51 °F |
| 1967 | 52 °F | +0.6 °F | 52 °F |
| 1966 | 52 °F | +0.6 °F | 51 °F |
| 1965 | 51 °F | +2.6 °F | 52 °F |
| 1964 | 48 °F | −4.0 °F | 52 °F |
| 1963 | 52 °F | +2.2 °F | 52 °F |
| 1962 | 50 °F | −1.8 °F | 52 °F |
| 1961 | 52 °F | +1.1 °F | 52 °F |
| 1960 | 51 °F | +0.7 °F | 51 °F |
| 1959 | 50 °F | −2.7 °F | 52 °F |
| 1958 | 53 °F | +3.0 °F | 52 °F |
| 1957 | 50 °F | −0.1 °F | 52 °F |
| 1956 | 50 °F | +1.6 °F | 52 °F |
| 1955 | 49 °F | −2.7 °F | 52 °F |
| 1954 | 51 °F | −0.2 °F | 53 °F |
| 1953 | 52 °F | +1.0 °F | 53 °F |
| 1952 | 50 °F | +0.5 °F | 52 °F |
| 1951 | 50 °F | −0.9 °F | 51 °F |
| 1950 | 51 °F | +0.8 °F | 51 °F |
| 1949 | 50 °F | +0.8 °F | 52 °F |
| 1948 | 49 °F | −1.8 °F | 52 °F |
| 1947 | 51 °F | +0.2 °F | 52 °F |
| 1946 | 51 °F | +0.2 °F | 53 °F |
| 1945 | 51 °F | +0.8 °F | 52 °F |
| 1944 | 50 °F | −1.1 °F | 52 °F |
| 1943 | 51 °F | +1.3 °F | 52 °F |
| 1942 | 50 °F | −2.2 °F | 52 °F |
| 1941 | 52 °F | −1.2 °F | 53 °F |
| 1940 | 53 °F | +1.9 °F | 52 °F |
| 1937 | 51 °F | −0.2 °F | 52 °F |
| 1936 | 51 °F | +1.5 °F | 52 °F |
| 1935 | 50 °F | −5.3 °F | 52 °F |
| 1934 | 55 °F | +4.7 °F | 54 °F |
| 1932 | 50 °F | −2.1 °F | 52 °F |
| 1931 | 53 °F | 54 °F |
Sources: NOAA National Centers for Environmental Information — GHCN-Daily · NOAA National Centers for Environmental Information, Climate at a Glance, 1931 – 2025
What it means
The mean temperature over a whole year — the long-term trend shows warming or cooling.
How it is calculated
Mean of the daily average temperature over the year at the nearest weather station; years with incomplete months are left out.