Boise January 21 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of January 21.
January 21 All-Time Records
1911–2024
Highest temperature 53 °F 1943
Lowest temperature -24 °F 1930
Lowest daily high 0 °F 1962
Highest daily low 44 °F 1970
Most precipitation 0.60 inches 1969
Most snow 3.6 inches 1965
January 21 Average Weather
1991–2020 1
Average high 39.9 °F
Average low 26.0 °F
Chance precipitation 36.2%
Chance snow 15.9%
Boise January 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 47 36 0.04 0.0
2023 32 15 0.00 0.1
2022 39 27 0.00 0.0
2021 42 29 0.02 0.0
2020 48 33 0.02 0.0
2019 42 28 0.00 0.0
2018 44 25 0.02 0.0
2017 40 31 0.10 0.9
2016 47 37 0.00 0.0
2015 33 23 0.00 0.0
2014 29 24 0.00 0.0
2013 17 -3 0.00 0.0
2012 49 35 0.03 0.0
2011 41 29 0.07 0.0
2010 50 35 0.01 0.0
2009 29 25 0.00 0.0
2008 25 21 0.00 0.1
2007 39 21 0.00 0.0
2006 40 28 0.00 0.0
2005 34 29 0.00 0.0
2004 30 27 0.00 0.0
2003 34 31 0.03 0.0
2002 43 28 0.07 1.3
2001 34 24 0.00 0.0
2000 41 30 0.00 0.0
1999 45 35 0.00 0.0
1998 44 28 0.00 0.0
1997 42 31 0.10 0.0
1996 40 28 0.11 0.4
1995 41 23 0.00 0.0
1994 32 23 0.00 0.0
1993 43 29 0.08 0.0
1992 30 20 0.00 0.0
1991 36 19 0.00 0.0
1990 39 19 0.00 0.0
1989 39 19 0.00 0.0
1988 29 8 0.00 0.0
1987 31 5 0.00 0.0
1986 36 21 0.00 0.0
1985 34 15 0.00 0.0
1984 12 -2 0.03 0.3
1983 44 35 0.00 0.0
1982 27 10 0.15 2.0
1981 46 27 0.00 0.0
1980 38 24 0.00 0.0
1979 35 20 0.01 0.5
1978 49 38 0.03 0.0
1977 27 23 0.00 0.0
1976 36 19 0.00 0.0
1975 38 21 0.00 0.0
1974 36 25 0.00 0.0
1973 38 26 0.00 0.0
1972 48 37 0.28 0.0
1971 41 29 0.00 0.0
1970 48 44 0.40 0.0
1969 51 40 0.60 0.0
1968 40 25 0.00 0.0
1967 49 39 0.40 0.0
1966 37 19 0.00 0.0
1965 36 18 0.23 3.6
1964 42 21 0.23 3.0
1963 32 12 0.00 0.0
1962 0 -12 0.00 0.0
1961 42 19 0.00 0.0
1960 28 7 0.00 0.0
1959 32 18 0.05 0.5
1958 34 22 0.00 0.0
1957 28 14 0.00 0.0
1956 40 30 0.05 0.9
1955 28 9 0.00 0.0
1954 46 22 0.00 0.0
1953 44 30 0.00 0.0
1952 30 21 0.03 0.3
1951 43 29 0.04 0.5
1950 48 38 0.24 0.0
1949 22 0 0.07 1.8
1948 44 18 0.00 0.0
1947 36 13 0.00 0.0
1946 37 23 0.02 0.0
1945 31 21 0.00 0.0
1944 37 17 0.00 0.0
1943 53 36 0.09 0.0
1942 21 3 0.00 0.0
1941 43 32 0.00 0.0
1940 32 20 0.00 0.0
1939 29 20 0.00 0.0
1938 39 33 0.06 0.0
1937 7 -23 0.00 0.0
1936 31 24 0.00 0.0
1935 21 3 0.00 n/a
1934 44 31 0.00 0.0
1933 34 23 0.11 n/a
1932 43 27 0.00 0.0
1931 36 14 0.00 0.0
1930 20 -24 0.00 0.0
1929 30 -2 0.00 0.0
1928 35 18 0.00 0.0
1927 18 -1 0.00 0.0
1926 37 29 0.14 1.4
1925 37 17 0.00 0.0
1924 30 6 0.00 0.0
1923 47 21 0.00 0.0
1922 20 9 0.00 0.0
1921 34 20 0.00 0.0
1920 34 21 0.00 0.0
1919 40 33 0.18 0.0
1918 36 24 0.00 0.0
1917 29 15 0.18 2.0
1916 33 -2 0.00 0.0
1915 30 10 0.00 0.0
1914 40 36 0.22 0.0
1913 33 25 0.12 1.2
1912 38 17 0.00 0.0
1911 36 17 0.00 0.0
What's the all-time high for Boise on 1/21?
For the date of Jan 21, the highest temperature ever reached in Boise history is 53 °F which happened in 1943.
Highest Temperatures in Boise on January 21
Rank Temperature Year
1 53 °F 1943
2 51 °F 1969
3 50 °F 2010
4 49 °F 1967
4 49 °F 1978
4 49 °F 2012
7 48 °F 1970
7 48 °F 1950
7 48 °F 1972
7 48 °F 2020
What's the all-time low for Boise on 1/21?
For the date of Jan 21, the lowest temperature ever reached in Boise history is -24 °F which happened in 1930.
Lowest Temperatures in Boise on January 21
Rank Temperature Year
1 -24 °F 1930
2 -23 °F 1937
3 -12 °F 1962
4 -3 °F 2013
5 -2 °F 1929
5 -2 °F 1916
5 -2 °F 1984
8 -1 °F 1927
9 0 °F 1949
10 3 °F 1935
10 3 °F 1942
Lowest High Temperatures in Boise on January 21
Rank Temperature Year
1 0 °F 1962
2 7 °F 1937
3 12 °F 1984
4 17 °F 2013
5 18 °F 1927
6 20 °F 1922
6 20 °F 1930
8 21 °F 1935
8 21 °F 1942
10 22 °F 1949
What's the most it has ever rained in Boise on 1/21?
For the date of Jan 21, the most precipitation ever recorded in Boise history is 0.60 inches which happened in 1969.
All-Time Most Precipitation in Boise on January 21
Rank Precipitation Year
1 0.60 inches 1969
2 0.40 inches 1970
2 0.40 inches 1967
4 0.28 inches 1972
5 0.24 inches 1950
6 0.23 inches 1965
6 0.23 inches 1964
8 0.22 inches 1914
9 0.18 inches 1919
9 0.18 inches 1917
All-Time Most Snow in Boise on January 21
Rank Precipitation Year
1 3.6 inches 1965
2 3.0 inches 1964
3 2.0 inches 1982
3 2.0 inches 1917
5 1.8 inches 1949
6 1.4 inches 1926
7 1.3 inches 2002
8 1.2 inches 1913
9 0.9 inches 1956
9 0.9 inches 2017
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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