National Weather Service United States Department of Commerce
***   With the availability of the new climate normals (1991-2020),   ***
this webpage will no longer be updated.

Access climate information at
Climate and Past Weather, NOWData, or U.S. Climate Normals (NCEI).

 

 

Jan Feb Mar Apr MAY Jun Jul Aug Sep Oct Nov Dec

 

May
Normals, Means and Extremes for Houston

Normals (High/Low) 1991-2020.  Temperature Records 1889-Present.  Rainfall Records 1889-Present.

Date Normal
High
(F)
Normal
Low
(F)
Record High
(F)
Record Low
(F)
Rec Low Max
(F)
Rec High Min
(F)
Normal Cumulative Precip
Monthly - Yearly (in)
Record
Precipitation
(inches)

1

83

64

94 - 1947

45 - 1908

63 - 1907

76 - 2019

0.15 - 13.45

4.11 - 1970

2

83

64

96 - 1964

45 - 1976

65 - 1911

76 - 2009

0.30 - 13.60

3.48 - 1944

3

84

64

93 - 1890

47 - 2013

60 - 1978

77 - 2002

0.46 - 13.76

5.10 - 1981

4

84

65

94 - 1890

42 - 2013

70 - 1966

76 - 2003

0.62 - 13.92

1.72 - 1953

5

84

65

94 - 1906

49 - 1970

66 - 1935

76 - 2007

0.79 - 14.09

3.60 - 1912

6

84

65

94 - 1906

49 - 2013

63 - 1917

76 - 2007

0.96 - 14.26

5.00 - 1938

7

85

66

94 - 1998

47 - 1891

64 - 1917

77 - 2021

1.13 - 14.43

2.61 - 1938

8

85

66

96 - 1967

45 - 1906

69 - 1917

78 - 2002

1.30 - 14.60

2.34 - 2005

9

85

66

94 - 2011

46 - 1984

67 - 1924

77 - 2002

1.47 - 14.77

2.53 - 2019

10

85

66

94 - 1927

51 - 1984

69 - 1898

77 - 2015

1.64 - 14.94

5.89 - 1968

11

86

67

94 - 1890

47 - 1981

68 - 1898

76 - 2011

1.81 - 15.11

2.16 - 1959

12

86

67

92 - 1967

50 - 1895

68 - 1917

80 - 1893

1.97 - 15.27

5.27 - 1914

13

86

67

94 - 1907

50 - 1895

70 - 1914

78 - 1995

2.13 - 15.43

3.44 - 2014

14

86

67

93 - 2018

47 - 1971

66 - 1953

80 - 1995

2.29 - 15.59

2.44 - 2010

15

87

68

94 - 2018

49 - 2014

72 - 1934

78 - 1995

2.47 - 15.77

4.64 - 1970

16

87

68

94 - 2018

47 - 1973

68 - 1945

78 - 1974

2.64 - 15.94

2.80 - 1992

17

87

68

96 - 2018

52 - 1970

68 - 1895

79 - 1995

2.81 - 16.11

4.20 - 1989

18

88

68

95 - 1890

50 - 1976

72 - 1916

78 - 2017

2.96 - 16.26

6.16 - 1989

19

88

69

95 - 2003

50 - 1976

70 - 2016

78 - 2019

3.12 - 16.42

6.87 - 2000

20

88

69

95 - 2020

48 - 1894

74 - 1958

79 - 2011

3.28 - 16.58

4.17 - 1947

21

88

69

96 - 2005

53 - 1892

71 - 1967

79 - 2019

3.42 - 16.73

5.45 - 1945

22

89

69

96 - 2005

48 - 1892

65 - 1895

80 - 2019

3.59 - 16.89

3.10 - 1963

23

89

70

95 - 1996

45 - 1892

72 - 1947

79 - 2020

3.75 - 17.05

3.99 - 1959

24

89

70

95 - 1955

54 - 1892

74 - 1919

78 - 2011

3.91 - 17.21

3.96 - 1936

25

89

70

95 - 2011

56 - 1979

74 - 1936

79 - 2011

4.07 - 17.37

4.34 - 2015

26

89

70

98 - 2011

57 - 1979

76 - 1919

79 - 1996

4.24 - 17.54

2.91 - 2014

27

90

71

98 - 1928

50 - 1901

74 - 1901

80 - 2017

4.41 - 17.71

3.99 - 1914

28

90

71

98 - 1906

54 - 1901

73 - 1936

81 - 1996

4.58 - 17.88

2.83 - 1914

29

90

71

99 - 1996

58 - 1984

69 - 1992

77 - 2018

4.75 - 18.05

4.33 - 2006

30

90

71

97 - 2003

53 - 1984

73 - 1947

80 - 2004

4.92 - 18.22

5.01 - 1907

31

90

71

98 - 1998

50 - 1889

73 - 1992

80 - 2004

5.09 - 18.39

3.45 - 1976

Month

86.9

67.8

99 - 1996

42 - 2013

60 - 1978

81 - 1996

        5.09 inches

  6.87 - 2000