Waterloo Record Low by Day of the Year
Data for the record low temperature for each day of the year in
Waterloo, Iowa , as well as the year that the record was set. It is based on NOAA data for the years 1895–2024.
Change city
Day
Record Low
Year Set or Tied
January 1 -21
2018
January 2 -21
2018
January 3 -21
1904, 2014
January 4 -28
1919
January 5 -26
1924, 1942
January 6 -26
1970
January 7 -27
1912
January 8 -25
1942
January 9 -27
1977
January 10 -27
1982
January 11 -26
1977
January 12 -32
1912
January 13 -32
1912
January 14 -26
1916, 1963
January 15 -28
1963
January 16 -34
2009
January 17 -28
1977
January 18 -28
1930
January 19 -28
1970
January 20 -33
1994
January 21 -31
1970
January 22 -33
1930
January 23 -27
1936
January 24 -29
2008
January 25 -29
1936
January 26 -25
1930
January 27 -23
1904
January 28 -29
1915
January 29 -26
1966
January 30 -29
2019
January 31 -31
2019
February 1 -30
1918
February 2 -31
1996
February 3 -31
1996
February 4 -25
1996
February 5 -27
1936
February 6 -19
1982
February 7 -21
1905
February 8 -27
1971
February 9 -27
1899, 1951
February 10 -22
1994
February 11 -25
2014
February 12 -22
1986
February 13 -27
1905
February 14 -20
1951
February 15 -22
1930
February 16 -19
2021
February 17 -18
1958, 2021
February 18 -19
2006
February 19 -23
1936
February 20 -25
1929
February 21 -17
1936
February 22 -16
1929
February 23 -12
1910, 1989
February 24 -16
1993
February 25 -19
1940
February 26 -14
1897
February 27 -24
2015
February 28 -29
1962
March 1 -34
1962
March 2 -15
2014
March 3 -19
2014
March 4 -12
1978
March 5 -15
1960
March 6 -11
1960
March 7 -19
1960
March 8 -9
1975
March 9 -12
1984
March 10 -9
1984
March 11 -18
1948
March 12 -13
1948
March 13 -11
1975
March 14 -10
1960
March 15 -5
2017
March 16 -8
1951
March 17 -4
1902
March 18 -2
1909, 1960
March 19 -17
1923
March 20 2
1951
March 21 -5
1951
March 22 5
1940
March 23 0
1965
March 24 -5
1974
March 25 3
1960
March 26 4
1955, 1964
March 27 -5
1964
March 28 3
1970
March 29 4
1969
March 30 1
1964
March 31 6
1923
April 1 15
2021
April 2 13
1895
April 3 9
1975
April 4 4
1975
April 5 9
1982
April 6 -4
1982
April 7 12
1972, 2018
April 8 9
1972
April 9 11
2003
April 10 17
2018
April 11 16
2004
April 12 18
1939, 1940
April 13 18
1950
April 14 18
1928
April 15 15
1928
April 16 19
1904, 1949, 2020
April 17 14
1921
April 18 20
1983
April 19 20
1988
April 20 21
2018
April 21 20
2021
April 22 20
1986
April 23 19
1927
April 24 20
1956
April 25 21
1934
April 26 23
1907
April 27 24
1928
April 28 25
1950, 2019
April 29 25
1958, 2008, 2011
April 30 26
1956
May 1 27
1918
May 2 24
2005
May 3 22
2005
May 4 22
1907
May 5 29
1944, 1958, 1968
May 6 28
1974, 1989
May 7 25
1925
May 8 28
1976
May 9 25
2020
May 10 29
1966
May 11 27
1925
May 12 30
1895, 1928
May 13 30
1953
May 14 28
1895
May 15 32
2004, 2016
May 16 30
1921, 1929
May 17 32
1915, 1925, 2014
May 18 32
2002
May 19 29
1929
May 20 31
1924, 1954
May 21 33
1931
May 22 32
1963
May 23 31
1917, 1931, 1963
May 24 34
1924
May 25 29
1925
May 26 33
1961
May 27 32
1971
May 28 32
1965
May 29 29
1965
May 30 35
1930
May 31 32
1897
June 1 33
1897
June 2 40
1969
June 3 38
1946
June 4 36
1945
June 5 39
1926
June 6 39
1983
June 7 37
1935
June 8 38
1901
June 9 39
1915, 1977
June 10 39
1913, 1928
June 11 43
1903
June 12 37
1903
June 13 40
1969
June 14 40
1933
June 15 39
1917
June 16 43
1961, 1989
June 17 40
1915
June 18 44
1965
June 19 43
1926, 1970
June 20 44
1961
June 21 41
1992
June 22 40
1902
June 23 42
1902
June 24 43
1972
June 25 42
2004
June 26 40
1926
June 27 43
1926
June 28 42
1925
June 29 44
1923
June 30 45
1943
July 1 45
1924
July 2 45
1924
July 3 45
1917
July 4 43
1922, 1967
July 5 45
1967, 1972
July 6 47
1967
July 7 42
1984
July 8 46
1922
July 9 44
1895
July 10 45
1895
July 11 46
1898
July 12 46
1975
July 13 43
1975
July 14 44
1926
July 15 44
1967
July 16 48
1912
July 17 48
1911, 1976
July 18 49
1914
July 19 47
1912
July 20 47
1970
July 21 46
1944
July 22 45
1947
July 23 46
1925
July 24 49
1904
July 25 46
2004
July 26 46
1911
July 27 45
1971
July 28 45
1925
July 29 44
1925
July 30 45
1899
July 31 43
1971
August 1 46
1920
August 2 44
1927
August 3 44
1927
August 4 45
1978
August 5 44
1994
August 6 45
2012
August 7 46
1989
August 8 43
1904
August 9 41
1927
August 10 44
1917
August 11 43
1982
August 12 45
1964, 1967
August 13 41
1964
August 14 39
1964, 2004
August 15 42
1929, 2004
August 16 43
1976, 1992
August 17 46
1962
August 18 43
1977, 2012
August 19 42
1963
August 20 33
1950
August 21 39
2004
August 22 40
1923
August 23 43
1920
August 24 41
1934, 1942
August 25 39
1915
August 26 40
1934
August 27 41
1916, 1971
August 28 39
1935
August 29 37
1946
August 30 34
1915
August 31 36
1915
September 1 36
1949, 1967
September 2 38
1946, 1967
September 3 36
1974
September 4 34
1974
September 5 37
1974
September 6 35
1988
September 7 37
1956, 1986
September 8 35
1986
September 9 35
1924
September 10 35
1976
September 11 32
1917
September 12 32
1955
September 13 31
1975
September 14 30
1923
September 15 30
2007
September 16 31
1984
September 17 32
1916
September 18 28
1929
September 19 32
1991
September 20 27
1991
September 21 27
1918
September 22 26
1974
September 23 28
1983
September 24 29
1989, 2012
September 25 27
1942
September 26 26
1926, 1984
September 27 28
1928
September 28 21
1942
September 29 22
1967
September 30 19
1899
October 1 23
2003
October 2 19
2003
October 3 26
1987
October 4 22
1935
October 5 24
1988
October 6 18
1935
October 7 24
1988, 2012
October 8 21
1976
October 9 19
2000
October 10 18
1964
October 11 16
1987
October 12 22
1988
October 13 15
1917
October 14 20
1917, 1937
October 15 21
1937
October 16 22
1952
October 17 21
1943
October 18 18
1952
October 19 14
1972
October 20 17
1930, 1952
October 21 13
1930
October 22 14
1976
October 23 17
1895, 1936
October 24 19
1896, 2006
October 25 19
1987
October 26 16
1942
October 27 15
1997
October 28 6
1925
October 29 6
1925
October 30 0
1925
October 31 15
1917
November 1 13
1895, 2006
November 2 10
1951, 1966
November 3 9
1991
November 4 4
1991
November 5 1
1951
November 6 5
1991
November 7 -1
1991
November 8 3
1991
November 9 12
2003
November 10 9
1926, 1986, 2018
November 11 0
1986
November 12 0
1921
November 13 -1
1986
November 14 -3
1916
November 15 -1
1916
November 16 0
1959
November 17 -3
1959
November 18 1
2018
November 19 1
1914
November 20 0
2014
November 21 -5
2015
November 22 -4
1937
November 23 -4
1898
November 24 -2
1898, 1951
November 25 -9
1977
November 26 -17
1977
November 27 -6
1898
November 28 -9
1977
November 29 -8
1929
November 30 -9
1929
December 1 -5
1971
December 2 -16
1985
December 3 -18
1919
December 4 -7
1991
December 5 -16
2005
December 6 -14
2005
December 7 -19
1976
December 8 -18
1917
December 9 -16
1917
December 10 -29
1919
December 11 -18
1976
December 12 -15
2000
December 13 -26
1961
December 14 -21
1901
December 15 -21
1917
December 16 -20
1932
December 17 -16
1914
December 18 -23
1983
December 19 -25
1985
December 20 -20
1983
December 21 -27
1963
December 22 -23
1983
December 23 -25
1989
December 24 -27
2000
December 25 -29
2000
December 26 -28
1914
December 27 -28
1933
December 28 -22
1924
December 29 -23
1925
December 30 -19
1976
December 31 -23
1976
Years with the Most Daily Records
Which years set the greatest number of daily low temperature records in Waterloo history?
Rank
Year
Records Set
1
1925
12
2
1917
11
3
1976
10
4
1991
8
5
1977
8
6
1967
8
7
1951
8
8
1929
8
9
2018
7
10
2004
7
Daily Records by Decade
This table shows the number of daily low temperature records in Waterloo that were set in each decade since 1895.
Decade
Records Set
1890s
18
1900s
17
1910s
42
1920s
56
1930s
29
1940s
22
1950s
26
1960s
45
1970s
50
1980s
39
1990s
18
2000s
27
2010s
25
2020s
6
Weather Station Details
Years
Station
Coordinates
1950–2024
Waterloo Municipal Airport
location
1895–1950
Waterloo
location