Temperature Data | Precipitation Data | Detailed Data

Annual Climatology: Chicago, IL (ORD)

Elev: 658 ft    Lat: 41o 59'N    Long: 87o 55'W

Chicago 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

29.6

14.3

22.0

65

-27

February

34.7

19.2

27.0

72

-19

March

46.1

28.5

37.3

88

-8

April

58.0

37.6

47.8

91

7

May

69.9

47.5

58.7

93

24

June

79.2

57.2

68.2

104

36

July

83.5

63.2

73.3

104

40

August

81.2

62.2

71.7

101

41

September

73.9

53.7

63.8

99

28

October

62.1

42.1

52.1

91

17

November

47.1

31.6

39.3

78

1

December

34.4

20.4

27.4

71

-25

Annual

58.3

39.8

49.1

104

-27

 

Precipitation Data (in):

Month

Mean

Median

Extreme

Year

Snow*

January

1.75

1.45

4.47

1999

10.8

February

1.63

1.39

5.56

1997

8.3

March

2.65

2.28

5.91

1976

6.0

April

3.68

3.75

7.69

1983

1.6

May

3.38

3.02

6.95

1996

0.0

June

3.63

3.52

9.96

1993

0.0

July

3.51

3.58

8.33

1982

0.0

August

4.62

3.92

17.10

1987

0.0

September

3.27

2.99

8.14

1972

0.0

October

2.71

2.14

7.36

1991

0.3

November

3.01

2.50

8.22

1985

1.8

December

2.43

2.12

8.56

1982

8.7

Annual

36.27

36.13

 

 

37.5

* Snowfall totals represent mean snowfall 1971-2000


 
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