MONTHLY HISTORICAL STATE CLIMATE SUMMARIES

Wisconsin State Climatology Office

 Southeast Wisconsin Divisional Average Temperature (degrees Fahrenheit)

Note: Data for the most recent 6 months are considered preliminary and subject to change.

Year

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

YEAR

1895

14.9

14.3

29.9

47.6

58.0

69.7

69.3

70.5

67.4

44.2

34.2

28.4

45.7

1896

23.4

23.8

27.4

48.3

63.3

67.8

71.3

70.7

58.6

46.6

33.3

31.8

47.2

1897

20.2

25.6

31.6

44.3

54.1

64.4

74.2

67.1

67.6

55.1

34.0

20.7

46.6

1898

23.9

24.2

37.0

44.0

55.8

68.3

72.4

69.4

65.4

47.8

34.7

19.5

46.9

1899

18.1

13.1

24.9

48.1

56.7

68.0

71.7

72.4

60.0

54.5

42.0

23.9

46.1

1900

25.0

16.0

27.1

47.6

58.5

66.4

70.2

75.9

64.9

57.6

34.3

26.9

47.5

1901

22.1

15.4

30.9

46.4

55.8

68.9

77.0

71.0

62.8

52.3

34.3

20.7

46.5

1902

21.1

18.1

37.9

45.1

58.9

62.6

72.6

67.2

59.5

51.8

43.1

21.6

46.6

1903

20.4

21.5

40.0

46.2

57.5

62.2

71.7

66.3

61.9

50.5

32.6

16.4

45.6

1904

11.7

12.8

31.6

40.2

56.2

65.1

69.2

66.3

62.7

50.5

39.2

22.1

44.0

1905

11.7

13.4

36.1

44.6

54.5

65.8

69.9

70.7

65.0

49.2

36.8

26.9

45.4

1906

26.1

21.3

26.5

48.0

56.0

66.0

70.4

72.6

67.1

49.6

36.6

26.8

47.3

1907

20.5

23.1

38.2

37.8

48.4

64.3

70.5

67.8

62.3

47.8

35.8

27.5

45.3

1908

23.7

23.1

35.6

45.9

56.5

65.5

72.3

69.1

67.8

51.4

38.3

25.2

47.9

1909

23.0

26.2

31.5

40.2

53.7

66.6

69.7

72.9

60.5

47.0

43.6

17.8

46.1

1910

18.6

18.7

44.1

48.0

51.5

67.0

73.2

70.0

61.2

53.1

31.4

20.7

46.5

1911

22.4

27.7

35.1

43.2

61.1

70.5

72.0

68.5

63.1

48.6

30.4

30.3

47.7

1912

2.3

15.9

24.0

45.8

57.0

63.7

70.6

66.5

63.7

51.4

37.7

28.6

43.9

1913

23.0

21.5

29.7

45.8

54.8

68.5

71.3

71.5

62.5

49.3

41.7

32.5

47.7

1914

27.4

14.3

30.9

43.6

58.5

66.5

73.3

70.0

62.4

54.6

37.6

18.0

46.4

1915

17.0

29.1

29.6

52.3

51.6

61.1

67.6

64.0

63.6

51.3

38.8

24.4

45.9

1916

23.8

18.6

28.8

44.1

55.3

60.6

77.1

72.3

60.8

50.0

35.5

19.4

45.5

1917

16.4

13.2

32.2

41.5

50.4

61.2

70.8

66.8

60.1

41.6

38.1

15.6

42.3

1918

6.5

20.7

37.9

41.0

59.2

65.1

69.2

72.4

56.0

52.4

38.9

32.7

46.0

1919

25.8

25.5

35.2

44.2

53.9

71.7

73.5

68.8

65.0

51.2

34.0

14.6

47.0

1920

11.5

20.3

34.2

39.6

54.5

66.9

68.2

67.9

65.3

56.6

35.3

28.0

45.7

1921

27.3

28.3

39.6

49.8

59.0

71.9

78.2

70.1

67.4

51.1

34.0

26.3

50.3

1922

17.5

22.7

36.9

44.7

60.7

67.7

69.3

70.4

65.1

52.8

41.3

23.8

47.7

1923

23.8

16.2

26.5

42.4

54.6

69.5

72.0

67.5

61.8

48.0

39.2

34.7

46.4

1924

11.6

23.3

29.8

43.8

49.7

62.9

67.6

68.2

57.5

55.2

37.1

16.9

43.6

1925

19.5

26.5

35.8

50.0

52.6

68.1

70.4

70.6

66.6

41.5

34.5

20.1

46.4

1926

20.5

25.7

26.0

40.3

57.4

61.5

70.4

70.0

61.3

48.3

31.8

21.0

44.5

1927

17.5

29.2

38.0

44.5

53.4

62.3

69.2

64.2

66.2

53.1

37.7

20.9

46.4

1928

22.6

24.9

32.8

39.7

57.3

60.9

72.0

70.4

58.5

52.5

38.4

28.1

46.5

1929

10.3

14.9

37.0

47.0

53.1

63.3

71.4

68.2

62.6

49.5

32.5

24.5

44.5

1930

13.8

30.1

33.3

46.3

57.5

67.4

72.5

71.8

64.9

49.1

39.4

25.3

47.6

1931

27.0

31.8

32.2

46.6

53.8

70.3

75.2

70.8

68.5

54.9

44.7

33.2

50.8

1932

28.7

28.9

25.4

43.1

57.5

69.3

72.8

71.5

61.4

48.5

33.0

23.5

47.0

1933

31.5

20.3

31.8

43.4

56.5

74.2

73.3

68.6

67.3

48.9

34.3

25.3

48.0

1934

27.9

19.6

29.7

45.0

63.2

71.6

74.8

69.6

60.6

52.6

41.1

21.6

48.1

1935

18.6

24.2

36.1

42.1

50.3

61.8

75.3

70.9

62.6

50.6

35.3

21.7

45.8

1936

13.0

8.2

35.2

40.4

61.7

63.7

76.1

73.3

64.6

48.5

33.5

28.3

45.5

1937

20.9

21.5

29.5

42.5

56.6

64.5

72.7

74.1

61.9

46.9

33.3

21.1

45.5

1938

19.2

28.6

39.9

46.3

55.7

64.9

71.1

71.8

60.5

54.1

38.5

25.5

48.0

1939

26.5

20.5

33.2

41.8

59.0

68.3

72.8

70.3

66.6

51.8

38.3

31.6

48.4

1940

11.3

23.8

26.5

42.1

53.0

65.9

72.6

68.6

62.0

53.1

34.1

27.2

45.0

1941

23.6

20.3

28.2

50.4

60.8

67.6

73.0

71.6

65.2

52.6

39.5

31.4

48.7

1942

19.5

21.6

36.2

50.4

55.7

65.7

71.6

69.3

59.4

50.1

37.2

18.9

46.3

1943

17.5

22.2

28.4

43.0

54.0

69.0

72.9

71.6

58.0

49.6

32.8

24.9

45.3

1944

27.3

24.4

29.5

41.3

60.2

69.5

71.1

71.7

63.7

51.0

40.7

18.9

47.4

1945

15.8

23.2

44.9

46.8

51.4

61.6

68.8

69.6

61.1

48.4

37.0

19.1

45.6

1946

22.7

23.7

42.1

48.5

54.0

65.0

71.3

67.4

62.0

55.1

39.0

27.9

48.2

1947

24.5

16.9

29.1

43.7

51.2

62.4

69.5

76.5

64.2

59.2

30.9

25.6

46.1

1948

14.8

22.1

31.9

49.5

53.2

65.1

72.6

71.5

65.7

49.6

40.5

26.6

46.9

1949

23.9

22.8

33.1

45.0

57.7

69.9

74.5

71.6

57.9

53.9

37.4

27.4

47.9

1950

24.4

22.6

28.1

39.2

55.3

65.8

68.3

65.6

60.3

55.4

32.3

16.7

44.5

1951

17.6

22.1

30.4

43.1

58.9

62.4

69.8

66.4

59.2

51.2

29.2

22.6

44.4

1952

22.3

28.0

29.9

48.1

55.7

68.9

73.6

69.0

62.6

46.0

39.3

28.9

47.7

1953

25.1

27.1

34.6

42.5

57.1

69.0

72.8

72.0

62.9

56.0

41.2

28.0

49.0

1954

21.8

32.5

31.4

48.6

52.3

69.7

71.4

68.5

63.6

51.1

38.8

26.4

48.0

1955

20.3

23.1

32.0

51.8

59.2

64.9

76.5

75.2

63.3

52.6

32.4

21.1

47.7

1956

23.3

23.9

30.7

43.7

55.4

69.3

68.7

69.9

59.7

55.9

36.8

27.6

47.1

1957

14.1

27.6

33.1

46.2

54.5

66.5

71.8

69.6

60.0

48.5

36.4

29.4

46.5

1958

21.2

16.2

33.4

46.6

57.8

61.5

69.7

71.1

62.5

53.6

38.5

18.1

45.9

1959

12.8

18.6

30.8

45.6

61.4

68.2

70.4

74.3

64.3

47.6

29.1

32.0

46.3

1960

23.7

22.8

21.9

48.3

53.7

63.6

69.1

70.2

64.6

50.5

39.1

22.3

45.8

1961

19.5

30.2

35.5

41.4

53.1

66.5

70.7

70.3

64.2

52.0

37.0

22.3

46.9

1962

14.2

20.6

30.8

45.1

60.8

65.6

67.6

70.0

58.8

53.1

37.8

21.7

45.5

1963

9.0

15.7

35.0

47.2

54.1

67.5

71.8

67.6

61.4

59.5

41.6

14.5

45.4

1964

26.1

25.4

32.0

45.8

61.5

67.1

72.5

67.6

61.2

48.1

40.3

22.2

47.5

1965

18.5

20.4

25.2

42.4

59.7

64.3

69.6

67.5

60.9

50.8

38.2

32.0

45.8

1966

13.4

22.5

35.7

42.3

51.3

67.5

73.9

68.0

60.8

49.8

38.2

24.1

45.6

1967

23.5

17.2

33.3

45.5

51.3

67.1

68.4

65.0

60.3

49.7

34.1

27.5

45.2

1968

21.1

19.6

39.6

47.4

53.6

66.3

69.9

70.4

62.4

51.7

37.4

24.5

47.0

1969

17.3

25.5

29.7

46.0

56.4

60.4

69.8

71.8

62.3

48.1

34.6

24.8

45.6

1970

12.5

21.6

30.5

46.2

57.3

66.5

72.6

70.7

61.8

52.1

36.4

24.4

46.1

1971

13.2

21.3

29.2

44.0

53.9

69.3

69.0

67.8

65.4

57.4

37.3

29.3

46.4

1972

16.0

19.6

28.6

40.9

58.1

63.0

69.6

69.4

61.2

47.2

35.9

21.4

44.2

1973

25.5

25.5

40.3

43.8

53.1

69.0

72.5

72.3

62.4

55.3

37.7

24.4

48.5

1974

20.7

21.5

33.3

47.1

52.4

63.3

72.5

67.8

58.0

50.2

38.6

28.3

46.1

1975

23.3

23.0

28.5

39.4

59.9

66.6

71.5

70.9

58.0

53.4

43.1

26.7

47.0

1976

16.8

29.5

37.4

47.8

53.0

68.2

72.4

68.8

60.2

45.4

29.3

14.8

45.3

1977

6.0

22.5

39.6

50.4

63.4

63.9

73.6

66.6

61.7

48.9

36.7

21.5

46.2

1978

13.7

15.1

29.5

43.5

56.5

65.9

69.0

69.5

65.5

49.3

37.0

21.9

44.7

1979

8.9

13.8

32.2

41.7

55.4

65.2

69.9

67.3

62.6

48.8

36.5

29.9

44.4

1980

19.8

19.7

29.8

45.5

58.3

63.6

72.5

70.8

61.6

45.9

37.8

24.2

45.8

1981

19.6

25.6

36.0

48.3

53.4

66.8

69.5

69.3

59.6

46.8

38.3

24.0

46.4

1982

9.9

19.7

31.2

41.2

59.8

60.7

71.0

67.1

59.9

51.5

36.5

31.8

45.0

1983

24.8

28.7

34.5

41.4

51.0

66.1

75.2

73.4

61.7

51.1

38.9

13.2

46.7

1984

16.5

31.6

27.6

44.4

53.6

67.4

69.6

71.7

60.0

51.9

37.1

28.0

46.6

1985

13.4

19.5

37.3

50.4

60.1

64.2

71.4

67.2

63.3

50.1

34.9

14.2

45.5

1986

20.5

22.2

37.5

48.8

57.5

64.9

72.6

66.8

63.0

50.7

34.1

27.7

47.2

1987

23.5

31.1

37.1

48.1

59.8

70.7

74.0

69.0

61.8

44.8

40.8

29.7

49.2

1988

16.0

19.5

34.8

45.5

58.9

70.0

74.2

74.3

62.3

44.2

39.5

25.4

47.1

1989

28.9

16.8

31.1

43.4

55.1

64.7

70.8

69.3

59.5

50.7

33.7

14.4

44.9

1990

29.7

27.2

37.3

47.3

52.0

65.7

69.5

69.3

63.8

48.7

42.0

25.0

48.1

1991

17.1

28.0

36.8

48.6

61.3

69.1

71.9

70.7

60.6

49.5

32.7

28.6

47.9

1992

25.9

30.0

34.3

42.0

55.6

62.5

66.4

64.6

59.6

47.7

35.5

26.4

45.9

1993

23.0

22.1

31.1

42.1

56.3

63.3

70.6

71.1

56.5

47.8

39.4

28.8

46.0

1994

11.4

17.1

34.3

47.4

55.5

67.8

70.2

66.6

64.0

52.3

41.0

31.3

46.6

1995

21.4

23.0

36.4

42.2

55.5

69.4

73.2

75.4

59.2

50.7

28.8

21.9

46.4

1996

18.5

21.8

28.4

41.9

51.8

65.1

67.8

69.8

61.6

50.2

30.3

24.7

44.3

1997

17.1

26.3

34.7

43.2

50.5

66.0

69.7

66.0

61.5

50.5

34.5

29.5

45.8

1998

26.8

35.7

36.1

46.8

60.9

65.9

71.2

71.5

65.7

52.1

41.8

31.5

50.5

1999

17.8

32.1

34.3

47.4

58.7

67.4

75.9

68.1

61.2

49.5

43.8

27.6

48.7

2000

22.5

30.9

41.1

44.8

58.0

65.6

68.5

69.3

61.6

53.6

36.0

14.1

47.2

2001

22.6

22.5

32.0

49.5

57.6

65.1

72.6

71.9

59.8

49.4

46.5

31.8

48.4

2002

28.7

30.3

30.5

46.4

52.4

68.0

74.8

70.5

64.7

46.7

35.8

28.2

48.1

2003

18.6

20.7

33.8

44.6

53.8

63.4

69.9

71.9

61.5

49.0

38.9

30.0

46.3

2004

16.9

25.5

39.1

47.3

54.9

63.6

68.6

65.0

64.6

50.9

41.2

25.8

47.0

2005

20.9

29.7

31.5

48.3

53.1

70.7

71.5

72.6

68.4

53.5

40.7

22.8

48.6

111-yr Period of Record (1895-2005)

AVE

19.6

22.7

32.9

45.1

56.0

66.1

71.5

69.8

62.4

50.7

36.9

24.6

46.5

MEDIAN

20.4

22.5

32.2

45.1

55.7

66.0

71.4

70.0

62.0

50.6

37.1

25.0

46.4

STD

5.7

5.2

4.4

3.1

3.3

2.9

2.3

2.5

2.7

3.3

3.6

5.0

1.4

MAX

31.5

35.7

44.9

52.3

63.4

74.2

78.2

76.5

68.5

59.5

46.5

34.7

50.8

MIN

2.3

8.2

21.9

37.8

48.4

60.4

66.4

64.0

56.0

41.5

28.8

13.2

42.3

30-yr normals (1971-2000)

AVE

18.9

24.0

34.0

45.0

56.3

66.0

71.2

69.4

61.4

49.9

37.0

24.7

46.5

MEDIAN

19.1

22.8

34.4

44.6

56.0

65.9

71.1

69.3

61.6

50.2

37.1

25.9

46.4

STD

5.83

5.45

3.75

3.01

3.34

2.41

2.17

2.46

2.18

2.93

3.69

5.52

1.47

MAX

29.7

35.7

41.1

50.4

63.4

70.7

75.9

75.4

65.7

57.4

43.8

31.8

50.5

MIN

6.0

13.8

27.6

39.4

50.5

60.7

66.4

64.6

56.5

44.2

28.8

13.2

44.2

Note: Data for the most recent 6 months are considered preliminary and subject to change.


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Latest revision: 8 January 2006

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