Waterloo December 15 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of December 15.
December 15 All-Time Records
1895–2024
Highest temperature 74 °F 2021
Lowest temperature -21 °F 1917
Lowest daily high 0 °F 1963
Highest daily low 44 °F 2014
Most precipitation 0.74 inches 2014
Most snow 4.5 inches 2010
December 15 Average Weather
1991–2020 1
Average high 32.8 °F
Average low 15.9 °F
Chance precipitation 28.4%
Chance snow 19.5%
Waterloo December 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 50 26 0.00 0.0
2022 33 23 0.06 1.2
2021 74 40 0.41 0.0
2020 24 13 0.00 0.0
2019 19 3 0.00 0.0
2018 48 17 0.00 0.0
2017 41 21 0.00 0.0
2016 10 -6 0.00 0.0
2015 39 34 0.00 0.0
2014 49 44 0.74 0.0
2013 10 5 0.05 0.7
2012 45 39 0.60 0.0
2011 42 23 0.00 0.0
2010 19 14 0.30 4.5
2009 4 -7 0.00 0.0
2008 3 -3 0.00 0.0
2007 22 7 0.00 0.0
2006 38 29 0.00 0.0
2005 34 18 0.04 0.5
2004 42 18 0.00 0.0
2003 37 25 0.00 0.0
2002 51 25 0.00 0.0
2001 48 34 0.00 0.0
2000 25 10 0.07 1.0
1999 35 16 0.00 0.1
1998 49 33 0.00 0.0
1997 43 28 0.00 0.0
1996 39 16 0.00 0.0
1995 34 17 0.00 0.0
1994 34 24 0.10 1.6
1993 46 27 0.00 0.0
1992 38 33 0.21 0.9
1991 28 11 0.00 0.0
1990 33 20 0.13 1.2
1989 3 -16 0.00 0.0
1988 15 -2 0.00 0.0
1987 25 21 0.21 4.0
1986 36 14 0.00 0.0
1985 31 5 0.00 0.0
1984 45 12 0.11 0.0
1983 27 3 0.06 0.4
1982 34 27 0.01 0.1
1981 15 7 0.00 0.0
1980 34 15 0.00 0.0
1979 52 17 0.00 0.0
1978 39 25 0.00 0.0
1977 41 33 0.00 0.0
1976 39 4 0.00 0.0
1975 19 7 0.00 0.0
1974 34 32 0.16 0.8
1973 22 14 0.06 0.8
1972 12 -11 0.00 0.0
1971 35 31 0.23 0.0
1970 31 -1 0.00 0.0
1969 16 -5 0.00 0.0
1968 17 -4 0.00 0.0
1967 28 8 0.00 0.0
1966 42 23 0.00 0.0
1965 28 19 0.00 0.0
1964 27 0 0.00 0.0
1963 0 -14 0.00 0.0
1962 29 18 0.00 0.0
1961 13 -17 0.00 0.0
1960 36 11 0.00 0.0
1959 46 31 0.00 0.0
1958 19 -13 0.00 0.0
1957 46 33 0.00 0.0
1956 27 22 0.01 0.1
1955 13 2 0.00 0.0
1954 33 28 0.06 n/a
1953 24 14 0.00 0.0
1952 39 8 0.00 n/a
1951 10 -9 0.05 1.5
1950 31 8 0.00 0.0
1949 39 4 0.00 0.0
1948 37 32 0.14 0.0
1947 34 22 0.00 0.0
1946 27 19 0.00 0.0
1945 15 -11 0.00 0.0
1944 35 18 0.00 0.0
1943 11 -6 0.00 0.0
1942 30 15 0.00 0.0
1941 37 25 0.00 0.0
1940 32 20 n/a n/a
1939 53 23 0.00 0.0
1938 38 15 0.00 0.0
1937 31 25 n/a n/a
1936 45 24 0.00 0.0
1935 34 31 0.00 0.0
1934 38 20 0.00 0.0
1933 41 29 0.02 0.0
1932 5 -15 0.00 0.0
1931 37 16 0.00 0.0
1930 30 13 0.00 0.0
1929 33 25 0.00 0.0
1928 42 37 0.00 0.0
1927 32 3 0.00 0.0
1926 8 -6 0.00 0.0
1925 24 13 n/a n/a
1924 32 18 0.00 0.0
1923 54 30 0.00 0.0
1922 13 -15 0.00 0.0
1921 39 28 n/a 0.0
1920 33 23 0.00 0.0
1919 5 -13 0.00 0.0
1918 49 25 0.00 0.0
1917 0 -21 n/a n/a
1916 1 -11 0.00 0.0
1915 18 -4 n/a n/a
1914 2 -13 0.00 0.0
1913 43 27 0.00 0.0
1912 42 23 0.00 0.0
1911 42 26 0.00 0.0
1910 54 24 0.00 0.0
1909 30 18 0.00 0.0
1908 45 27 n/a 0.0
1907 37 27 0.00 0.0
1906 36 9 0.00 0.0
1905 35 13 0.00 0.0
1904 15 -11 n/a n/a
1903 13 -5 0.00 0.0
1902 31 21 n/a n/a
1901 2 -18 n/a n/a
1900 30 21 n/a n/a
1899 23 -2 0.00 0.0
1898 29 -3 0.00 0.0
1897 35 13 0.00 0.0
1896 35 31 0.00 0.0
1895 44 20 0.00 0.0
What's the all-time high for Waterloo on 12/15?
For the date of Dec 15, the highest temperature ever reached in Waterloo history is 74 °F which happened in 2021.
Highest Temperatures in Waterloo on December 15
Rank Temperature Year
1 74 °F 2021
2 54 °F 1923
2 54 °F 1910
4 53 °F 1939
5 52 °F 1979
6 51 °F 2002
7 50 °F 2023
8 49 °F 1918
8 49 °F 1998
8 49 °F 2014
What's the all-time low for Waterloo on 12/15?
For the date of Dec 15, the lowest temperature ever reached in Waterloo history is -21 °F which happened in 1917.
Lowest Temperatures in Waterloo on December 15
Rank Temperature Year
1 -21 °F 1917
2 -18 °F 1901
3 -17 °F 1961
4 -16 °F 1989
5 -15 °F 1932
5 -15 °F 1922
7 -14 °F 1963
8 -13 °F 1914
8 -13 °F 1958
8 -13 °F 1919
Lowest High Temperatures in Waterloo on December 15
Rank Temperature Year
1 0 °F 1963
1 0 °F 1917
3 1 °F 1916
4 2 °F 1901
4 2 °F 1914
6 3 °F 1989
6 3 °F 2008
8 4 °F 2009
9 5 °F 1932
9 5 °F 1919
What's the most it has ever rained in Waterloo on 12/15?
For the date of Dec 15, the most precipitation ever recorded in Waterloo history is 0.74 inches which happened in 2014.
All-Time Most Precipitation in Waterloo on December 15
Rank Precipitation Year
1 0.74 inches 2014
2 0.60 inches 2012
3 0.41 inches 2021
4 0.30 inches 2010
5 0.23 inches 1971
6 0.21 inches 1987
6 0.21 inches 1992
8 0.16 inches 1974
9 0.14 inches 1948
10 0.13 inches 1990
All-Time Most Snow in Waterloo on December 15
Rank Precipitation Year
1 4.5 inches 2010
2 4.0 inches 1987
3 1.6 inches 1994
4 1.5 inches 1951
5 1.2 inches 2022
5 1.2 inches 1990
7 1.0 inches 2000
8 0.9 inches 1992
9 0.8 inches 1973
9 0.8 inches 1974
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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