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

March 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

69

50

84 - 2017

28 - 1980

39 - 1922

70 - 2012

0.11 - 6.69

3.32 - 1993

2

70

50

91 - 1909

22 - 1980

44 - 1980

66 - 2012

0.23 - 6.81

1.55 - 1934

3

70

50

86 - 1893

21 - 1943

41 - 1943

69 - 1976

0.34 - 6.92

1.03 - 1957

4

70

50

86 - 1893

22 - 2002

38 - 2014

69 - 1955

0.46 - 7.04

4.56 - 1992

5

70

50

84 - 1998

25 - 1989

38 - 1989

68 - 1974

0.58 - 7.16

2.20 - 1933

6

71

51

86 - 1991

25 - 1989

46 - 1960

69 - 2017

0.70 - 7.28

1.44 - 1896

7

71

51

90 - 1911

28 - 1989

43 - 1947

68 - 2009

0.82 - 7.40

1.58 - 1913

8

71

51

88 - 1911

27 - 1971

44 - 1915

70 - 1974

0.93 - 7.51

2.05 - 1905

9

71

51

88 - 2000

27 - 1932

38 - 1932

71 - 1974

1.04 - 7.62

1.96 - 2015

10

72

51

89 - 1980

27 - 1932

33 - 1932

71 - 2009

1.15 - 7.73

3.23 - 1926

11

72

52

87 - 1911

27 - 1948

36 - 1948

72 - 2006

1.26 - 7.84

2.81 - 2012

12

72

52

89 - 1904

24 - 1948

42 - 1932

72 - 2006

1.37 - 7.95

4.28 - 1997

13

72

52

88 - 1942

27 - 1932

46 - 2009

71 - 1973

1.47 - 8.05

1.96 - 2007

14

73

52

88 - 2008

29 - 1993

48 - 2009

70 - 1967

1.58 - 8.16

1.82 - 2001

15

73

52

89 - 2008

32 - 1999

47 - 1937

71 - 1955

1.69 - 8.27

2.06 - 1974

16

73

53

87 - 1908

34 - 1913

49 - 1969

72 - 1982

1.80 - 8.38

2.83 - 1896

17

73

53

88 - 1908

30 - 1900

38 - 1892

72 - 1945

1.90 - 8.48

2.57 - 1957

18

74

53

90 - 2013

27 - 1892

40 - 1941

71 - 2012

2.00 - 8.58

1.60 - 1904

19

74

53

89 - 1908

27 - 1923

36 - 1923

73 - 2012

2.09 - 8.67

4.20 - 1905

20

74

53

90 - 1907

24 - 1923

52 - 1965

71 - 1955

2.20 - 8.78

7.47 - 1972

21

74

54

87 - 1907

30 - 1996

48 - 1968

70 - 1952

2.30 - 8.88

1.38 - 1893

22

75

54

89 - 1916

32 - 1970

52 - 1989

70 - 1904

2.42 - 9.00

2.01 - 1918

23

75

54

89 - 1929

35 - 1989

54 - 2006

70 - 1995

2.53 - 9.11

2.27 - 1983

24

75

54

87 - 1907

32 - 1897

47 - 1974

70 - 2009

2.64 - 9.22

1.46 - 1943

25

75

54

93 - 1928

36 - 2006

48 - 1974

70 - 1949

2.76 - 9.34

7.36 - 1922

26

75

55

94 - 1928

30 - 1955

41 - 1955

72 - 1995

2.88 - 9.46

2.23 - 1951

27

76

55

89 - 1935

31 - 1955

47 - 1955

73 - 2018

2.99 - 9.57

3.00 - 1923

28

76

55

89 - 1972

33 - 1931

52 - 1923

72 - 1989

3.10 - 9.68

1.99 - 1966

29

76

55

90 - 1974

35 - 1894

48 - 1937

71 - 2007

3.20 - 9.78

1.75 - 1897

30

76

55

96 - 1946

33 - 1987

47 - 1937

71 - 1938

3.31 - 9.89

2.90 - 1907

31

77

56

88 - 1946

30 - 1987

50 - 1931

71 - 2006

3.41 - 9.99

1.44 - 2007

Month

73.0

52.5

96 - 1946

21 - 1943

33 - 1932

73 - 2018

          3.41 inches

  7.47 - 1972