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

October 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

86

65

99 - 1900

44 - 1984

64 - 1958

78 - 1927

0.15 - 36.14

4.62 - 1913

2

86

65

97 - 1938

47 - 1984

66 - 1958

79 - 1986

0.31 - 36.30

2.25 - 1995

3

85

65

95 - 1994

45 - 1975

72 - 1961

80 - 1986

0.48 - 36.47

3.24 - 1949

4

85

64

95 - 2002

43 - 1975

67 - 1965

78 - 2002

0.65 - 36.64

3.60 - 1919

5

85

64

94 - 2006

41 - 1975

63 - 1972

77 - 1951

0.82 - 36.81

2.90 - 1960

6

85

64

94 - 1928

44 - 1975

65 - 2001

78 - 2009

0.99 - 36.98

4.42 - 1930

7

84

63

95 - 1956

46 - 1889

65 - 2000

78 - 1962

1.16 - 37.15

5.76 - 1949

8

84

63

96 - 1962

42 - 1952

50 - 2000

82 - 2009

1.33 - 37.32

2.07 - 1909

9

84

63

94 - 2017

40 - 1976

53 - 2000

79 - 1962

1.50 - 37.49

3.60 - 2003

10

84

63

95 - 1962

43 - 1908

64 - 2000

78 - 1962

1.67 - 37.66

3.50 - 1899

11

83

 62 

94 - 1962

44 - 1990

64 - 2009

77 - 1962

1.85 - 37.84

3.02 - 2001

12

83

62

96 - 1991

42 - 1977

62 - 1982

77 - 1962

2.03 - 38.02

3.37 - 1982

13

83

 62 

95 - 2015

36 - 1977

58 - 1986

76 - 1985

2.21 - 38.20

2.55 - 1959

14

83

 61 

92 - 2015

40 - 1977

64 - 2002

78 - 2009

2.40 - 38.39

4.91 - 1906

15

82

 61 

92 - 2017

40 - 1978

65 - 1896

76 - 1962

 2.60 - 38.59 

4.87 - 2007

16

82

 61 

92 - 1989

41 - 1893

61 - 2018

74 - 1994

 2.81 - 38.80 

5.17 - 2006

17

82

61

93 - 1895

40 - 1977

64 - 2018

77 - 1998

 3.01 - 39.00 

4.31 - 1994

18

82

 60 

96 - 1895

39 - 1978

60 - 1989

79 - 2004

3.22 - 39.21

4.04 - 1998

19

81

 60 

94 - 2004

36 - 1989

61 - 1999

78 - 2004

 3.43 - 39.42 

1.23 - 1998

20

 81 

 60 

93 - 2004

32 - 1989

61 - 1976

77 - 2004

3.63 - 39.62

2.54 - 1993

21

81

 60 

93 - 2004

33 - 1976

65 - 1993

78 - 1897

3.84 - 39.83

2.40 - 1890

22

80

59

91 - 2004

41 - 1898

63 - 1911

75 - 2004

4.04 - 40.03

3.70 - 2008

23

 80 

 59 

91 - 1988

40 - 1996

59 - 1981

76 - 2015

4.24 - 40.23

3.79 - 1970

24

80

59

92 - 1931

39 - 1908

61 - 1981

74 - 1997

4.43 - 40.42

5.54 - 2015

25

 80 

 59 

91 - 1950

39 - 1980

61 - 1972

75 - 1939

 4.63 - 40.62 

9.25 - 1984

26

 79 

 58 

92 - 2010

39 - 1892

53 - 1957

78 - 2010

4.83 - 40.82

2.43 - 2009

27

 79 

 58 

94 - 2010

36 - 1898

52 - 1936

76 - 2010

5.01 - 41.00

2.72 - 1897

28

 79 

 58 

90 - 1991

36 - 1898

53 - 1976

76 - 1991

 5.19 - 41.18 

2.45 - 2009

29

 78 

 57 

90 - 1991

35 - 2017

54 - 1980

73 - 2004

 5.37 - 41.36 

2.38 - 1982

30

 78 

57

89 - 2004

33 - 1917

50 - 1993

76 - 1961

 5.54 - 41.53 

5.30 - 1907

31

 78 

 57 

88 - 2004

29 - 1993

47 - 1925

76 - 1972

 5.70 - 41.69 

5.14 - 2015

Month

82.0

60.9

99 - 1900

29 - 1993

47 - 1925

82 - 2009

 5.70 inches

9.25 - 1984