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

July 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

93

75

102 - 1980

66 - 1985

78 - 1903

80 - 1983

0.16 - 24.48

1.40 - 1941

2

93

75

104 - 1894

66 - 1924

78 - 1936

81 - 1992

0.32 - 24.64

5.43 - 2010

3

93

75

100 - 200

66 - 1977

80 - 1942

80 - 2016

0.48 - 24.80

1.29 - 1942

4

93

75

101 - 2009

66 - 1910

75 - 1985

82 - 2016

0.63 - 24.95

4.19 - 2018

5

93

75

102 - 2009

66 - 1924

74 - 1891

83 - 2016

0.79 - 25.11

3.04 - 1973

6

93

75

101 - 2005

63 - 1970

75 - 1942

82 - 2016

0.94 - 25.26

1.73 - 1942

7

93

75

100 - 1980

62 - 1972

81 - 1892

81 - 2016

1.09 - 25.41

2.32 - 2010

8

93

75

104 - 1980

68 - 1892

81 - 1906

80 - 2015

1.24 - 25.56

1.49 - 1938

9

93

75

102 - 1980

64 - 1905

78 - 1976

80 - 2011

1.38 - 25.70

2.39 - 1961

10

93

75

101 - 1998

65 - 1905

74 - 1961

81 - 2009

1.52 - 25.84

1.75 - 1925

11

93

 75 

103 - 1980

64 - 1905

77 - 1939

80 - 1935

1.65 - 25.97

3.08 - 1939

12

93

75

104 - 1980

65 - 1896

76 - 1939

82 - 1988

1.77 - 26.09

5.19 - 1939

13

94

 75 

102 - 1980

66 - 1895

76 - 1983

80 - 2010

1.90 - 26.22

5.40 - 2002

14

94

 75 

103 - 1980

62 - 1990

76 - 1900

81 - 2011

2.02 - 26.34

2.94 - 1949

15

94

 75 

103 - 2000

64 - 1990

80 - 1949

82 - 2011

2.14 - 26.46

4.32 - 1900

16

94

 75 

104 - 1980

66 - 1895

78 - 1990

81 - 2011

2.26 - 26.58

2.04 - 1949

17

94

75

104 - 1980

67 - 1974

78 - 1952

80 - 2006

2.36 - 26.68

2.23 - 2010

18

94

 75 

102 - 1980

67 - 1974

84 - 1894

80 - 2015

2.47 - 26.79

2.85 - 1916

19

94

 75 

102 - 1980

68 - 1974

82 - 1926

80 - 2018

2.58 - 26.90

1.51 - 1907

20

94

 75 

102 - 2000

69 - 1976

82 - 1992

80 - 2018

2.69 - 27.01

2.08 - 1917

21

94

 75 

101 - 2000

65 - 1989

81 - 1916

81 - 2009

2.79 - 27.11

1.09 - 1919

22

94

 75 

101 - 2000

67 - 1988

76 - 1919

80 - 2018

2.89 - 27.21

2.78 - 1933

23

 94 

 75 

101 - 2018

64 - 1970

82 - 1967

80 - 2018

3.00 - 27.32

2.36 - 1935

24

94

75

101 - 1954

68 - 1972

78 - 1959

80 - 2017

3.10 - 27.42

2.09 - 1904

25

 94 

 75 

102 - 1964

65 - 1894

76 - 1959

81 - 2011

3.20 - 27.52

3.74 - 1959

26

 94 

75

105 - 1954

68 - 1972

78 - 1989

81 - 2011

3.31 - 27.63

2.35 - 1951

27

95

75

101 - 1995

66 - 1902

79 - 1943

80 - 2015

3.41 - 27.73

5.22 - 1943

28

95

75

103 - 1995

66 - 1891

75 - 1933

81 - 2009

3.51 - 27.83

2.52 - 1904

29

95

75

101 - 1907

64 - 1994

80 - 1933

81 - 2009

3.61 - 27.93

4.70 - 1943

30

95

75

102 - 2014

68 - 1994

83 - 1995

83 - 2009

3.70 - 28.01

2.11 - 1954

31

95

75

103 - 1998

67 - 1891

80 - 1894

79 - 1962

3.79 - 28.11

3.91 - 2014

Month

93.7

75.1

105 - 1954

62 - 1990

74 - 1961

83 - 2016

         3.79 inches

5.43 - 2010