January February March April May June July August September October November December

December Normals, Means and Extremes for Houston (IAH)
Normals 1981-2010.  Temperature Records 1892-Present.  Rainfall Records 1889-Present.

Date Normal
High
Normal
Low
Record High Record Low Record
Low Max
Record
High Min
Normal Cumulative Precip
Monthly - Yearly
Record
Precipitation

1

67

47

83 - 2012

26 - 1979

40 - 1896

68 - 1982

0.15 - 46.18

5.80 - 1914

2

67

47

84 - 2012

28 - 1979

45 - 1931

74 - 1982

0.28 - 46.31

3.28 - 1971

3

67

47

85 - 1995

25 - 1929

46 - 1971

70 - 1913

0.42 - 46.45

2.50 - 1949

4

67

47

83 - 2012

27 - 1897

38 - 1897

70 - 1998

0.55 - 46.58

1.96 - 1930

5

66

46

83 - 1998

26 - 2009

42 - 2002

68 - 1998

0.68 - 46.71

2.02 - 1944

6

66

46

82 - 1951

20 - 1950

35 - 1950

69 - 1951

0.81 - 46.84

3.08 - 1915

7

66

46

84 - 1998

24 - 1950

38 - 2013

71 - 1924

0.94 - 46.97

4.95 - 1935

8

66

46

83 - 2012

25 - 1927

37 - 2005

72 - 2007

1.07 - 47.10

1.95 - 1896

9

65

45

82 - 2007

25 - 1917

41 - 1937

70 - 1923

1.20 - 47.23

1.69 - 1899

10

65

45

83 - 1939

20 - 1978

40 - 1898

67 - 1983

1.32 - 47.35

4.41 - 1923

11

65

 45 

83 - 2007

26 - 1898

39 - 1945

72 - 2007

1.44 - 47.47

2.85 - 1985

12

65

45

82 - 1939

25 - 1989

39 - 2000

71 - 2015

1.57 - 47.60

2.57 - 2002

13

65

 45 

82 - 1921

19 - 1989

40 - 1932

69 - 1948

1.69 - 47.72

2.85 - 1907

14

64

 45 

83 - 1995

25 - 1985

41 - 1926

70 - 1948

1.81 - 47.84

5.64 - 2005

15

64

 44 

82 - 1995

21 - 1901

39 - 1926

71 - 1948

 1.93 - 47.96 

2.19 - 1996

16

64

 44 

82 - 1971

19 - 1989

35 - 1932

69 - 1933

 2.05 - 48.08 

3.05 - 1937

17

64

44

81 - 2016

20 - 1932

37 - 1989

72 - 1990

 2.17 - 48.20 

2.28 - 1949

18

64

 44 

82 - 1980

24 - 1996

39 - 1989

68 - 2002

2.28 - 48.31

2.14 - 1965

19

64

 44 

81 - 2012

20 - 1929

32 - 1909

69 - 2008

 2.40 - 48.43 

3.06 - 2014

20

 63 

 44 

81 - 1921

21 - 1996

27 - 1924

70 - 1967

2.52 - 48.55

2.02 - 1997

21

63

 44 

82 - 2010

21 - 1973

31 - 1924

67 - 2010

2.64 - 48.67

3.41 - 1991

22

63

 44 

81 - 2017

13 - 1989

33 - 1990

68 - 1970

2.75 - 48.78

2.21 - 1910

23

 63 

 44 

81 - 2015

  7 - 1989

28 - 1989

68 - 1931

2.88 - 48.91

1.01 - 1938

24

63

43

82 - 1955

11 - 1989

27 - 1983

71 - 1982

2.99 - 49.02

2.04 - 1975

25

 63 

 43 

83 - 2015

11 - 1983

28 - 1983

73 - 2015

 3.11 - 49.14 

2.09 - 1916

26

 63 

 43 

84 - 2016

18 - 1983

30 - 1892

73 - 2015

3.22 - 49.25

2.06 - 1904

27

 63 

 43 

83 - 2016

19 - 1892

40 - 1987

67 - 2016

 3.33 - 49.36 

1.38 - 1934

28

 63 

 43 

82 - 2016

15 - 1894

31 - 1894

70 - 2016

 3.44 - 49.47 

2.70 - 1900

29

63

43

81 - 1984

15 - 1894

33 - 1925

69 - 1984

 3.54 - 49.57 

2.15 - 1888

30

 63 

43

83 - 1974

19 - 1983

37 - 1946

69 - 1964

 3.64 - 49.67 

1.36 - 1911

31

 63 

43

82 - 1974

18 - 1983

33 - 1990

69 - 1951

 3.74 - 49.77 

3.35 - 1896

Month

64.3

44.6

85 - 1995

  7 - 1989

27 - 1983

74 - 1982

         3.74 inches

5.80 - 1914