Waterloo January 21 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of January 21.
January 21 All-Time Records
1895–2024
Highest temperature 54 °F 1921
Lowest temperature -31 °F 1970
Lowest daily high -7 °F 1970
Highest daily low 34 °F 1921
Most precipitation 0.31 inches 2007
Most snow 5.6 inches 2008
January 21 Average Weather
1991–2020 1
Average high 27.1 °F
Average low 9.3 °F
Chance precipitation 28.6%
Chance snow 23.0%
Waterloo January 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 23 -10 0.00 0.0
2023 30 19 0.00 0.0
2022 18 -18 0.02 0.1
2021 38 15 0.00 0.0
2020 23 -10 0.00 0.0
2019 16 -4 0.00 0.0
2018 39 25 0.08 0.0
2017 45 30 0.08 0.0
2016 24 9 0.00 0.0
2015 34 29 0.01 0.2
2014 7 -10 0.00 0.0
2013 8 -6 0.00 0.0
2012 20 -17 0.00 0.0
2011 7 -21 0.02 0.1
2010 31 29 0.00 0.0
2009 25 8 0.00 0.0
2008 13 5 0.28 5.6
2007 26 20 0.31 5.6
2006 29 -1 0.00 0.0
2005 37 22 0.14 1.5
2004 37 4 0.00 0.0
2003 19 -1 0.00 0.0
2002 49 17 0.00 0.0
2001 15 0 0.00 0.0
2000 12 -14 0.00 0.0
1999 34 28 0.17 0.0
1998 30 24 0.21 2.8
1997 46 28 0.11 0.0
1996 32 8 0.00 0.0
1995 21 13 0.00 0.0
1994 27 -13 0.00 0.0
1993 37 30 0.04 1.4
1992 43 18 0.00 0.0
1991 7 -17 0.00 0.0
1990 30 14 0.00 0.0
1989 42 19 0.00 0.0
1988 26 16 0.00 0.0
1987 32 19 0.01 0.3
1986 36 29 0.02 0.0
1985 25 2 0.00 0.0
1984 14 -13 0.00 0.0
1983 41 24 0.00 0.0
1982 21 15 0.00 0.0
1981 40 15 0.00 0.0
1980 32 18 0.00 0.0
1979 23 12 0.00 0.0
1978 5 -19 0.00 0.0
1977 24 -10 0.00 0.0
1976 32 24 0.00 0.0
1975 36 -2 0.00 0.0
1974 33 31 0.00 0.0
1973 32 28 0.15 0.9
1972 29 5 0.00 0.0
1971 32 20 0.00 0.0
1970 -7 -31 0.00 0.0
1969 34 31 0.00 0.0
1968 45 20 0.00 0.0
1967 45 22 0.00 0.0
1966 19 -3 0.01 0.1
1965 39 5 0.00 0.0
1964 51 24 0.00 0.0
1963 10 -23 0.04 0.4
1962 11 3 0.01 0.5
1961 9 -10 0.00 0.0
1960 15 -13 0.00 0.0
1959 15 0 0.10 1.7
1958 24 13 0.00 0.0
1957 47 22 0.00 0.0
1956 2 -21 0.00 0.0
1955 30 17 0.09 n/a
1954 10 -12 0.00 0.0
1953 34 25 0.00 n/a
1952 25 9 0.00 0.0
1951 22 -9 n/a 0.0
1950 37 14 0.00 0.0
1949 23 3 0.13 1.3
1948 23 2 0.00 0.0
1947 28 -5 0.00 0.0
1946 8 -4 0.00 0.0
1945 36 26 0.00 0.0
1944 44 32 0.00 0.0
1943 27 0 0.00 0.0
1942 38 23 0.00 0.0
1941 35 23 n/a n/a
1940 20 1 0.00 0.0
1939 42 25 0.00 0.0
1938 38 32 n/a 0.0
1937 20 -10 0.00 0.0
1936 8 -3 n/a n/a
1935 0 -16 0.00 0.0
1934 39 32 n/a 0.0
1933 41 28 0.00 0.0
1932 38 30 0.00 0.0
1931 18 -11 0.00 0.0
1930 -2 -17 0.00 0.0
1929 23 3 n/a 0.0
1928 29 3 0.00 0.0
1927 13 4 n/a n/a
1926 20 -1 0.00 0.0
1925 43 13 0.00 0.0
1924 9 -18 0.00 0.0
1923 31 11 0.00 0.0
1922 29 1 0.00 0.0
1921 54 34 0.00 0.0
1920 11 -7 0.00 0.0
1919 43 33 0.00 0.0
1918 20 2 0.00 0.0
1917 27 11 n/a n/a
1916 39 33 0.08 0.0
1915 18 -5 n/a n/a
1914 33 11 0.00 0.0
1913 11 -1 0.00 0.0
1912 11 -10 0.00 0.0
1911 38 3 0.00 0.0
1910 35 12 0.00 0.0
1909 37 31 0.00 0.0
1908 49 32 n/a n/a
1907 9 1 0.00 0.0
1906 46 9 n/a n/a
1905 36 3 0.00 0.0
1904 29 14 0.10 1.0
1903 24 0 0.00 0.0
1902 31 21 0.10 1.0
1901 38 25 0.00 0.0
1900 45 15 0.00 0.0
1899 41 27 0.00 0.0
1898 43 25 n/a n/a
1897 30 5 0.00 0.0
1896 41 20 0.00 0.0
1895 22 15 n/a 2.5
What's the all-time high for Waterloo on 1/21?
For the date of Jan 21, the highest temperature ever reached in Waterloo history is 54 °F which happened in 1921.
Highest Temperatures in Waterloo on January 21
Rank Temperature Year
1 54 °F 1921
2 51 °F 1964
3 49 °F 1908
3 49 °F 2002
5 47 °F 1957
6 46 °F 1997
6 46 °F 1906
8 45 °F 2017
8 45 °F 1967
8 45 °F 1900
8 45 °F 1968
What's the all-time low for Waterloo on 1/21?
For the date of Jan 21, the lowest temperature ever reached in Waterloo history is -31 °F which happened in 1970.
Lowest Temperatures in Waterloo on January 21
Rank Temperature Year
1 -31 °F 1970
2 -23 °F 1963
3 -21 °F 2011
3 -21 °F 1956
5 -19 °F 1978
6 -18 °F 2022
6 -18 °F 1924
8 -17 °F 2012
8 -17 °F 1991
8 -17 °F 1930
Lowest High Temperatures in Waterloo on January 21
Rank Temperature Year
1 -7 °F 1970
2 -2 °F 1930
3 0 °F 1935
4 2 °F 1956
5 5 °F 1978
6 7 °F 2011
6 7 °F 2014
6 7 °F 1991
9 8 °F 1936
9 8 °F 1946
9 8 °F 2013
What's the most it has ever rained in Waterloo on 1/21?
For the date of Jan 21, the most precipitation ever recorded in Waterloo history is 0.31 inches which happened in 2007.
All-Time Most Precipitation in Waterloo on January 21
Rank Precipitation Year
1 0.31 inches 2007
2 0.28 inches 2008
3 0.21 inches 1998
4 0.17 inches 1999
5 0.15 inches 1973
6 0.14 inches 2005
7 0.13 inches 1949
8 0.11 inches 1997
9 0.10 inches 1902
9 0.10 inches 1904
9 0.10 inches 1959
All-Time Most Snow in Waterloo on January 21
Rank Precipitation Year
1 5.6 inches 2008
1 5.6 inches 2007
3 2.8 inches 1998
4 2.5 inches 1895
5 1.7 inches 1959
6 1.5 inches 2005
7 1.4 inches 1993
8 1.3 inches 1949
9 1.0 inches 1904
9 1.0 inches 1902
Weather Station Details
Years Station Coordinates
1950–2024 Waterloo Municipal Airport location
1895–1950 Waterloo location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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