Boise January 18 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of January 18.
January 18 All-Time Records
1911–2024
Highest temperature 58 °F 2018
Lowest temperature -13 °F 1984
Lowest daily high 7 °F 1984
Highest daily low 43 °F 1970
Most precipitation 1.13 inches 1953
Most snow 5.5 inches 1950
January 18 Average Weather
1991–2020 1
Average high 39.2 °F
Average low 25.5 °F
Chance precipitation 36.9%
Chance snow 16.8%
Boise January 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 35 20 0.02 0.0
2023 43 25 0.00 0.0
2022 32 28 0.00 0.0
2021 45 26 0.00 0.0
2020 42 30 0.00 0.0
2019 45 37 0.05 0.0
2018 58 39 0.24 0.0
2017 38 7 0.46 1.7
2016 47 34 0.07 0.0
2015 50 35 0.13 0.0
2014 32 22 0.00 0.0
2013 17 1 0.00 0.0
2012 40 32 0.82 4.8
2011 45 31 0.11 0.0
2010 53 42 0.00 0.0
2009 31 26 0.00 0.0
2008 36 19 0.00 0.0
2007 34 15 0.00 0.0
2006 44 34 0.00 0.0
2005 46 33 0.02 0.0
2004 28 21 0.00 0.0
2003 33 32 0.00 0.0
2002 35 23 0.01 0.2
2001 30 21 0.00 0.0
2000 39 29 0.12 0.8
1999 51 37 0.15 0.0
1998 57 39 0.00 0.0
1997 42 28 0.00 0.0
1996 33 24 0.08 0.8
1995 38 33 0.09 0.0
1994 29 22 0.00 0.0
1993 31 16 0.01 0.3
1992 40 23 0.00 0.0
1991 49 29 0.00 0.0
1990 41 21 0.00 0.0
1989 43 24 0.00 0.0
1988 24 -1 0.00 0.0
1987 29 13 0.00 0.0
1986 41 33 0.00 0.0
1985 28 9 0.00 0.0
1984 7 -13 0.00 0.0
1983 49 34 0.00 0.0
1982 40 31 0.01 0.2
1981 47 24 0.00 0.0
1980 40 25 0.00 0.0
1979 24 6 0.01 0.2
1978 46 31 0.00 0.0
1977 40 17 0.00 0.0
1976 45 30 0.00 0.0
1975 46 29 0.00 0.0
1974 50 38 0.14 0.0
1973 48 36 0.03 0.0
1972 43 38 0.49 0.0
1971 45 39 0.22 0.0
1970 46 43 0.36 0.0
1969 42 29 0.03 0.0
1968 44 28 0.00 0.0
1967 39 25 0.00 0.0
1966 34 18 0.00 0.0
1965 31 29 0.06 0.6
1964 35 23 0.01 0.3
1963 31 6 0.04 0.7
1962 26 21 0.07 1.0
1961 45 23 0.00 0.0
1960 19 -4 0.00 0.0
1959 43 30 0.00 0.0
1958 38 23 0.00 0.0
1957 25 11 0.00 0.0
1956 42 30 0.00 0.0
1955 32 24 0.03 0.3
1954 43 30 0.01 0.1
1953 45 40 1.13 0.0
1952 21 -2 0.00 0.0
1951 39 30 0.00 0.0
1950 31 18 0.48 5.5
1949 23 1 0.00 0.0
1948 40 18 0.00 0.0
1947 22 4 0.00 0.0
1946 34 18 0.00 0.0
1945 37 27 0.04 1.0
1944 45 24 0.00 0.0
1943 12 -10 0.00 0.0
1942 30 8 0.00 0.0
1941 46 33 0.01 0.0
1940 30 16 0.00 0.0
1939 44 24 0.00 0.0
1938 45 30 0.00 0.0
1937 31 17 0.00 0.0
1936 34 22 0.00 0.0
1935 30 24 0.27 2.6
1934 51 30 0.00 0.0
1933 30 12 0.05 n/a
1932 40 21 0.42 0.0
1931 43 16 0.00 0.0
1930 15 -5 0.03 1.0
1929 40 23 0.08 2.0
1928 32 11 0.00 0.0
1927 38 32 0.04 0.0
1926 39 25 0.00 0.0
1925 34 18 0.00 0.0
1924 41 19 0.00 0.0
1923 46 29 0.00 0.0
1922 12 -8 0.00 0.0
1921 51 35 0.15 0.0
1920 45 31 0.00 0.0
1919 54 38 0.00 0.0
1918 44 30 0.08 0.0
1917 12 -7 0.00 0.0
1916 22 14 0.00 0.0
1915 35 14 0.00 0.0
1914 51 37 0.00 0.0
1913 48 30 0.03 0.1
1912 37 28 0.02 0.1
1911 41 12 0.00 0.0
What's the all-time high for Boise on 1/18?
For the date of Jan 18, the highest temperature ever reached in Boise history is 58 °F which happened in 2018.
Highest Temperatures in Boise on January 18
Rank Temperature Year
1 58 °F 2018
2 57 °F 1998
3 54 °F 1919
4 53 °F 2010
5 51 °F 1999
5 51 °F 1914
5 51 °F 1921
5 51 °F 1934
9 50 °F 1974
9 50 °F 2015
What's the all-time low for Boise on 1/18?
For the date of Jan 18, the lowest temperature ever reached in Boise history is -13 °F which happened in 1984.
Lowest Temperatures in Boise on January 18
Rank Temperature Year
1 -13 °F 1984
2 -10 °F 1943
3 -8 °F 1922
4 -7 °F 1917
5 -5 °F 1930
6 -4 °F 1960
7 -2 °F 1952
8 -1 °F 1988
9 1 °F 2013
9 1 °F 1949
Lowest High Temperatures in Boise on January 18
Rank Temperature Year
1 7 °F 1984
2 12 °F 1922
2 12 °F 1917
2 12 °F 1943
5 15 °F 1930
6 17 °F 2013
7 19 °F 1960
8 21 °F 1952
9 22 °F 1947
9 22 °F 1916
What's the most it has ever rained in Boise on 1/18?
For the date of Jan 18, the most precipitation ever recorded in Boise history is 1.13 inches which happened in 1953.
All-Time Most Precipitation in Boise on January 18
Rank Precipitation Year
1 1.13 inches 1953
2 0.82 inches 2012
3 0.49 inches 1972
4 0.48 inches 1950
5 0.46 inches 2017
6 0.42 inches 1932
7 0.36 inches 1970
8 0.27 inches 1935
9 0.24 inches 2018
10 0.22 inches 1971
All-Time Most Snow in Boise on January 18
Rank Precipitation Year
1 5.5 inches 1950
2 4.8 inches 2012
3 2.6 inches 1935
4 2.0 inches 1929
5 1.7 inches 2017
6 1.0 inches 1945
6 1.0 inches 1930
6 1.0 inches 1962
9 0.8 inches 2000
9 0.8 inches 1996
Weather Station Details
Years Station Coordinates
1940–2024 location
1911–1939 Meridian 1 W location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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