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Chicago US

Winter weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

Maximum Temperatures

Minimum Temperatures

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions

Sunny Weather

Period	Chicago
Dec 1	3.9 hours/day
Dec 8	3.4 hours/day
Dec 15	2.7 hours/day
Dec 22	1.9 hours/day
Jan 1	2.5 hours/day
Jan 8	2.4 hours/day
Jan 15	2.6 hours/day
Jan 22	1.8 hours/day
Feb 1	2.5 hours/day
Feb 8	2.9 hours/day
Feb 15	3.8 hours/day
Feb 22	3.3 hours/day
Average	2.8 hours/day

Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer.

Precipitation Levels

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Humidity

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Astronomy

Sunrise Time

Sunrise times are output in the local timezone of each place.

Sunset Time

Sunset times are output in the local timezone of each place.

Useful Day Length

Period	Chicago
Dec 1	9:18 hours
Dec 8	9:11 hours
Dec 15	9:08 hours
Dec 22	9:08 hours
Jan 1	9:14 hours
Jan 8	9:23 hours
Jan 15	9:34 hours
Jan 22	9:50 hours
Feb 1	10:10 hours
Feb 8	10:19 hours
Feb 15	10:28 hours
Feb 22	10:37 hours
Average	9:42 hours

Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone.

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Weather in Chicago

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Daily Forecast

Winter weather

Temperatures

Conditions

Astronomy

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	Chicago US
Today Sun May 18
Mon May 19
Tue May 20
Wed May 21
Thu May 22
Fri May 23
Sat May 24

Period	Chicago
Dec 1	40.5°F
Dec 8	39.2°F
Dec 15	38.3°F
Dec 22	36.9°F
Jan 1	32.9°F
Jan 8	32.9°F
Jan 15	28.0°F
Jan 22	30.2°F
Feb 1	32.5°F
Feb 8	30.7°F
Feb 15	35.2°F
Feb 22	40.3°F
Average	34.8°F

Period	Chicago
Dec 1	31.5°F
Dec 8	30.9°F
Dec 15	30.9°F
Dec 22	28.6°F
Jan 1	25.0°F
Jan 8	24.1°F
Jan 15	18.3°F
Jan 22	20.7°F
Feb 1	22.5°F
Feb 8	21.4°F
Feb 15	23.4°F
Feb 22	28.9°F
Average	25.5°F

Period	Chicago
Dec 1	0.1in
Dec 8	0.1in
Dec 15	0.0in
Dec 22	0.1in
Jan 1	0.1in
Jan 8	0.2in
Jan 15	0.1in
Jan 22	0.1in
Feb 1	0.1in
Feb 8	0.1in
Feb 15	0.2in
Feb 22	0.1in
Average	0.1in

Period	Chicago
Dec 1	14.6mph
Dec 8	15.1mph
Dec 15	14.0mph
Dec 22	14.8mph
Jan 1	13.8mph
Jan 8	15.2mph
Jan 15	15.3mph
Jan 22	13.9mph
Feb 1	14.8mph
Feb 8	13.1mph
Feb 15	14.5mph
Feb 22	15.1mph
Average	14.5mph

Period	Chicago
Dec 1	67.0%
Dec 8	70.1%
Dec 15	71.1%
Dec 22	79.2%
Jan 1	77.8%
Jan 8	78.3%
Jan 15	78.3%
Jan 22	81.1%
Feb 1	80.7%
Feb 8	76.4%
Feb 15	77.3%
Feb 22	75.9%
Average	76.1%

Period	Chicago
Dec 1	7:02
Dec 8	7:08
Dec 15	7:13
Dec 22	7:17
Jan 1	7:19
Jan 8	7:17
Jan 15	7:14
Jan 22	7:08
Feb 1	7:00
Feb 8	6:52
Feb 15	6:42
Feb 22	6:31
Average	7:06

Period	Chicago
Dec 1	16:20
Dec 8	16:19
Dec 15	16:22
Dec 22	16:26
Jan 1	16:33
Jan 8	16:40
Jan 15	16:48
Jan 22	16:59
Feb 1	17:10
Feb 8	17:19
Feb 15	17:28
Feb 22	17:37
Average	16:48