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4. December

Temperature

4.5°C

40.1°F

High temperature

7.2°C

44.9°F

Low temperature

1.8°C

35.2°F

Feels like

1.8°C

35.2°F

Rainy days

12 days

Rainfall level

2.16mm

0.08 inch

Cloud coverage

79%

Wind speed

21.7km/h

13.5mph

Daylight time

9:11:19

UV index

1.3

1

6.4°C

44.0°F

2

5.6°C

42.0°F

3

4.2°C

40.0°F

4

3.3°C

38.0°F

5

2.8°C

37.0°F

6

2.5°C

37.0°F

7

7.0°C

45.0°F

8

10.6°C

51.0°F

9

8.7°C

48.0°F

10

1.2°C

34.0°F

11

0.2°C

32.0°F

12

1.1°C

34.0°F

13

0.3°C

33.0°F

14

4.6°C

40.0°F

15

7.0°C

45.0°F

16

6.9°C

44.0°F

17

5.7°C

42.0°F

18

-0.8°C

31.0°F

19

-3.1°C

26.0°F

20

2.7°C

37.0°F

21

5.8°C

42.0°F

22

7.0°C

45.0°F

23

8.1°C

47.0°F

24

11.1°C

52.0°F

25

12.6°C

55.0°F

26

4.9°C

41.0°F

27

3.5°C

38.0°F

28

4.4°C

40.0°F

29

4.2°C

40.0°F

30

0.6°C

33.0°F

31

1.2°C

34.0°F

In December, Chicago experiences very cold weather, with average temperatures ranging from 1.8°C (35.2°F) to 7.2°C (44.9°F). The city sees occasional drops in temperature, with average lows around freezing at -6.7°C (19.9°F) and average highs around 10°C (50°F). The average daily temperature is 1.8°C (35.2°F). Chicago sees precipitation of approximately 2.16mm (0.09 in) with a 38.7% chance of rain. Snowfall is common, with an average of 0.12 inches of snow. The city is windy, with average wind speeds of 21.7 km/h (13.5 mph) and gusts up to 37.4 km/h (23.2 mph).

How hot is Chicago in December?

The hot temperature in December in Chicago rises to 15.3°C (59.5°F) on sunny days with low cloud coverage and 74.1% humidity. During hottest days of December it feels like 15.3 °C (59.5°F). The average maximum temp in Chicago is 7.2°C (59.5°F) during day time in December.

How cold is Chicago in December?

The coldest temp in Chicago in December drops to -7.4°C (18.7°F) during the cold nights. With 21.7km/h (13.5mph) winds and 74.1% humidity it feels like -12.2°C (10°F) on the coldest nights. The average minimum temperature is 1.8°C (35.2°F) during night time in December.

Does it rain in Chicago in December?

Yes, it rains for 12 days in Chicago, United States in December averaging 2.16 mm of precipitation. Chicago has a 38.7% chance for rain throughout the entire month of December.

How much does it rain in Chicago throughout December?

Chicago has 2.16 mm (0.08 inch) of rain per day on average in December. It rains for an average of 12 days out of the entire month.

Does it snow in Chicago in December?

Yes, it snows in Chicago during December. The average snowfall is 0.12 cm (0.05 inch) per day. And there is 0 cm (0 inch) of snow on the ground.

What is the direction of the wind in Chicago in December?

Most days of December the wind is blowing from South-Southwest direction in Chicago.

What are the humidity levels in Chicago in December?

The average humidity levels in Chicago in December are 74.1%. Daily humidity levels in Chicago range from 49.5% to 93.5% during December.

How many hours of daylight are in Chicago in December?

Chicago has 9 hours 11 minutes of daylight in December on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Chicago in December is at 7:10:37 and the sunset is at 16:21:57.

What is the cloud coverage in Chicago in December?

Clouds cover 79% of the sky on average throughout December in Chicago. The cloud coverage ranges from 10.1% to 100% depending on the day of the month.

What is the UV level in December in Chicago?

The average UV index in Chicago is 1.3 in December. UV levels change throughout the month and range from 0 to 3.

What is the solar radiation in Chicago in December?

The average solar radiation is 21.4 W/m2 (Watts per square meter) in Chicago during December. However solar radiation levels change throughout the month and range from 5.6 W/m2 to 45.9 W/m2.

What is the solar energy during December in Chicago?

The average solar energy during December in Chicago is 1.8 MJ/m2 (megajoules per square metre). Solar energy ranges from 0.5 MJ/m2, to 4 MJ/m2 during December.

Are there severe weather risks in Chicago in December?

Yes, there is a 10% risk for severe weather in Chicago, United States in December.

What is the air pressure in Chicago in December?

On average the air pressure in Chicago in December is 1018.2 mb (millibars). Throughout the month the sea level pressure ranges from 1006 mb to 1038.8 mb.

What is the visibility in Chicago in December?

The average daylight visibility in Chicago in December is 13.8 km (8.6 miles). Depending on the precipitation the visibility ranges from 3.5 km (2.2 miles) to 16 km (9.9 miles) throughout December.

What is the dew point in Chicago in December?

The average dew point in Chicago during December is 0.1°C (32.1°F).

Where is the data for Chicago climate in December coming from?

The climate data for Chicago, Illinois, United States in December is collected from the following weather stations.

• CHICAGO OHARE INTERNATIONAL AIRPORT, IL US
• CHICAGO MIDWAY AIRPORT, IL US
• CHICAGO PALWAUKEE AIRPORT, IL US
• FW1983 Skokie IL US
• KMDW
• KORD
• KPWK