Temperature Data | Precipitation Data | Detailed Data

Annual Climatology: St. Louis, MO (STL)

Elev: 586 ft    Lat: 38o 45'N    Long: 90o 22'W

St Louis English Units

Figure 1: Average Temperatures and Precipitation 1971-2000. (NCDC Data)

 

 


Temperature Data (oF) :

Month

Daily Max

Daily Min

Mean

Maximum Daily Temperature

Minimum Daily Temperature

January

37.9

21.2

29.6

77

-18

February

44.3

26.5

35.4

85

-12

March

55.4

36.2

45.8

89

-5

April

66.7

46.5

56.6

93

22

May

76.5

56.6

66.5

98

31

June

85.3

65.9

75.6

105

43

July

89.8

70.6

80.2

115

51

August

87.9

68.6

78.2

107

47

September

80.1

60.3

70.2

104

36

October

68.3

48.2

58.3

94

23

November

53.8

36.7

45.3

85

1

December

42.0

25.8

33.9

76

-16

Annual

65.7

46.9

56.3

115

-18

 

Precipitation Data (in):

Month

Mean

Median

Extreme

Year

Snow*

January

2.14

1.83

5.38

1975

7.2

February

2.28

2.04

4.68

1986

4.7

March

3.60

3.26

6.67

1978

3.2

April

3.69

3.24

10.32

1994

0.8

May

4.11

3.78

12.92

1995

0.0

June

3.76

3.24

9.43

1985

0.0

July

3.90

3.62

10.71

1981

0.0

August

2.98

2.78

5.56

1987

0.0

September

2.96

2.56

9.16

1993

0.0

October

2.76

2.32

7.12

1984

Tr

November

3.71

3.31

9.95

1985

1.5

December

2.86

2.06

7.82

1982

4.8

Annual

38.75

37.54

 

 

22.2

* Snowfall totals represent mean snowfall 1971-2000


 
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