Temperature Data | Precipitation Data | Detailed Data

Annual Climatology: Chicago, IL (ORD)

Elev: 200.6 m   Lat: 41o 59'N    Long: 87o 55'W

Chicago 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

-1.3

-9.8

-5.6

18.3

-32.8

February

1.5

-7.1

-2.8

22.2

-28.3

March

7.8

-1.9

2.9

31.1

-22.2

April

14.4

3.1

8.8

32.8

-13.9

May

21.1

8.6

14.8

33.9

-4.4

June

26.2

14.0

20.1

40.0

2.2

July

28.6

17.3

22.9

40.0

4.4

August

27.3

16.8

22.1

38.3

5.0

September

23.3

12.1

17.7

37.2

-2.2

October

16.7

5.6

11.2

32.8

-8.3

November

8.4

-0.2

4.1

25.6

-17.2

December

1.3

-6.4

-2.6

21.7

-31.7

Annual

14.6

4.3

9.5

40.0

-32.8

 

Precipitation Data (mm):

Month

Mean

Median

Extreme

Year

Snow*

January

44.5

36.8

113.5

1999

274.3

February

41.4

35.3

141.2

1997

210.8

March

67.3

57.9

150.1

1976

152.4

April

93.5

95.3

195.3

1983

40.6

May

85.9

76.7

176.5

1996

0.0

June

92.2

89.4

253.0

1993

0.0

July

89.2

90.9

211.6

1982

0.0

August

117.3

99.6

434.3

1987

0.0

September

83.1

75.9

206.8

1972

0.0

October

68.8

54.4

186.9

1991

7.6

November

76.5

63.5

208.8

1985

45.7

December

61.7

53.8

217.4

1982

221.0

Annual

921.3

917.7

 

 

952.5

* Snowfall totals represent mean snowfall 1971-2000


 
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