Temperature Data | Precipitation Data | Detailed Data

Annual Climatology: St. Louis, MO (STL)

Elev: 173.1 m    Lat: 38o 45'N    Long: 90o 22'W

St Louis Metric Units

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

 

 


Temperature Data (oC) :

Month

Daily Max

Daily Min

Mean

Maximum Daily Temperature

Minimum Daily Temperature

January

3.3

-6.0

-1.3

25.0

-27.8

February

6.8

-3.1

1.9

29.4

-24.4

March

13.0

2.3

7.7

31.7

-20.6

April

19.3

8.1

13.7

33.9

-5.6

May

24.7

13.7

19.2

36.7

-0.6

June

29.6

18.8

24.2

40.6

6.1

July

32.1

21.4

26.8

46.1

10.6

August

31.1

20.3

25.7

41.7

8.3

September

26.7

15.7

21.2

40.0

2.2

October

20.2

9.0

14.6

34.4

-5.0

November

12.1

2.6

7.4

29.4

-17.2

December

5.6

-3.4

1.1

24.4

-26.7

Annual

18.7

8.3

13.5

46.1

-27.8

 

Precipitation Data (mm):

Month

Mean

Median

Extreme

Year

Snow*

January

54.4

46.5

136.7

1975

182.9

February

57.9

51.8

118.9

1986

119.4

March

91.4

82.8

169.4

1978

81.3

April

93.7

82.3

262.1

1994

20.3

May

104.4

96.0

328.2

1995

0.0

June

95.5

82.3

239.5

1985

0.0

July

99.1

91.9

272.0

1981

0.0

August

75.7

70.6

141.2

1987

0.0

September

75.2

65.0

232.7

1993

0.0

October

70.1

58.9

180.8

1984

             Tr

November

94.2

84.1

252.7

1985

38.1

December

72.6

52.3

198.6

1982

121.9

Annual

984.3

953.5

 

 

563.9

* Snowfall totals represent mean snowfall 1971-2000


 
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