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Weather in Cook County for January 2025

Your guide to Cook County weather in January - trends and predictions

    Snow Forecast ❄️

  • Expect heavy snowfall in Cook County during January, with an average of 17 snowy days.
    According to Cook County snow forecast for January 2025, 2 snowy days are expected until the end of the month. The closest date with snow is Tuesday, January 28.

    • Temperatures

  • Until now, January 2025 in Cook County is cooler than usual, with temperatures averaging -1.9 °F, this is -2.4 °F below the typical seasonal average.

  • The forecast for the upcoming days in Cook County predicts a temperature of -2.9 °F, which is slightly above the historical average.

  • In general, the average temperature in Cook County at the beginning of January is 1.3 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of -1.6 °F by the end of January.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
10
Dry days
Average rainy days
4
Rainy days
Average snowy days
17
Snow days
Average temperatures
0°/-4°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Cook County in January average weather

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
3°
2
Overcast
2°
3
Light freezing rain
2°
4
Overcast
2°
5
Overcast
1°
6
Overcast
-0°
7
Light freezing rain
-1°
8
Overcast
0°
9
Overcast
2°
10
Overcast
-0°
11
Overcast
2°
12
Overcast
2°
13
Overcast
1°
14
Patchy rain possible
-2°
15
Overcast
-2°
16
Patchy moderate snow
-1°
17
Light freezing rain
0°
18
Overcast
-0°
19
Overcast
-2°
20
Partly cloudy
-4°
21
Sunny
-16°
22
Overcast
-7°
23
Partly cloudy
-3°
24
Sunny
-4°
25
Overcast
1°
26
Overcast
-2°
27
Partly cloudy
-0°
28
Cloudy
1°
29
Partly cloudy
3°
30
Partly cloudy
-6°
31
Partly cloudy
-8°
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Temperatures trend during January in Cook County

See the weather trend as well as the moving average line

January weather day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Overcast
Overcast
 3° /-1° 6.8 mm 3.9 cm
Jan. 2 Overcast
Overcast
 2° /-2° 0.6 mm 0.1 cm
Jan. 3 Light freezing rain
Light freezing rain
 2° /-3° 4 mm 0.5 cm
Jan. 4 Overcast
Overcast
 2° /-3° 0 mm 0 cm
Jan. 5 Overcast
Overcast
 1° /-4° 0.3 mm 0 cm
Jan. 6 Overcast
Overcast
 0° /-3° 1.1 mm 0.6 cm
Jan. 7 Light freezing rain
Light freezing rain
 -1° /-4° 0.2 mm 0.1 cm
Jan. 8 Overcast
Overcast
 0° /-4° 0.9 mm 0.1 cm
Jan. 9 Overcast
Overcast
 2° /-5° 4.1 mm 1.6 cm
Jan. 10 Overcast
Overcast
 0° /-4° 0.3 mm 0 cm
Jan. 11 Overcast
Overcast
 2° /-5° 0.3 mm 0.3 cm
Jan. 12 Overcast
Overcast
 2° /-1° 5.7 mm 2.1 cm
Jan. 13 Overcast
Overcast
 1° /-5° 1.1 mm 0 cm
Jan. 14 Patchy rain possible
Patchy rain possible
 -2° /-7° 1.4 mm 0 cm
Jan. 15 Overcast
Overcast
 -2° /-8° 0.3 mm 0 cm
Jan. 16 Patchy moderate snow
Patchy moderate snow
 -1° /-7° 1.7 mm 0.1 cm
Jan. 17 Light freezing rain
Light freezing rain
 0° /-5° 0.4 mm 0 cm
Jan. 18 Overcast
Overcast
 0° /-5° 1.1 mm 0.2 cm
Jan. 19 Overcast
Overcast
 -2° /-9° 2.7 mm 0.6 cm
Jan. 20 Partly cloudy
Partly cloudy
 -4° /-9° 0 mm 0 cm
Jan. 21 Sunny
Sunny
 -16° /-20° 0 mm 0 cm
Jan. 22 Overcast
Overcast
 -7° /-17° 0 mm 0 cm
Jan. 23 Partly cloudy
Partly cloudy
 -3° /-10° 0 mm 0 cm
Jan. 24 Sunny
Sunny
 -4° /-10° 0 mm 0 cm
Jan. 25 Overcast
Overcast
 1° /-6° 0 mm 0 cm
Jan. 26 Overcast
Overcast
 -2° /-4° 0 mm 0 cm
Jan. 27 Partly cloudy
Partly cloudy
 0° /-5° 0 mm 0 cm
Jan. 28 Cloudy
Cloudy
 1° /-5° 0 mm 0 cm
Jan. 29 Partly cloudy
Partly cloudy
 3° /-6° 0 mm 0 cm
Jan. 30 Partly cloudy
Partly cloudy
 -6° /-10° 0 mm 0 cm
Jan. 31 Partly cloudy
Partly cloudy
 -8° /-11° 0 mm 0 cm
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Important Notice
Our weather forecast for Cook County in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cook County forecast closer to your planned date for the most up-to-date weather information.

Cook County in January - FAQ

What are the expected maximum and minimum temperatures in Cook County during January?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Cook County during January?
Moderate rainfall is anticipated in Cook County during January, with a total of 72.3 mm spread over approximately 4 days. Considering plans for rainy days is advisable.
Will it snow in Cook County in January 2025?
Cook County experiences an average snowfall of 21.4475 cm during January, occurring over 17 days.
What are the typical wind conditions in Cook County during January?
The average wind speed in Cook County during January is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

Cook County snow forecast January 2025

Track daily snowfall levels and discover Cook County’s snowy potential this January ❄️

January rainfall patterns in Cook County

Explore the daily rainfall trends and prepare for Cook Countys January weather 💧
Top locations in Cook County
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Chicago
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Location coordinates Where is Cook County?

Get accurate weather forecasts for Cook County, located at latitude 41.85 and longitude -87.65. Stay updated with localized weather information tailored for Cook County.

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