Temperatures in February
It's cold in February in Illinois with an average temperature of 5°C. Temperatures this month range from a low of -3°C to a high of 13°C. At night, you can expect temperatures between -9°C and 3°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Illinois in February. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of February
The month of February starts in Illinois with very cold temperatures, averaging around 2°C during the day and nights close to -7°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
Mid-February
By mid-February, the average daytime temperature rises to around 7°C, with nights close to -4°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of February
By the end of February, the average daytime temperature in Illinois will be around 9°C, with nights close to -2°C. A shower might show up, but overall the weather will be dry and sunny.
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Precipitation in February
In February, there is an average of 77 mm of precipitation, spread over 7 days. Of the total precipitation, about 23 cm falls as snow in February. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average precipitation chance is 26% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in February for Illinois. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Illinois in February |
UK | ||
|---|---|---|---|
 Average Temperature |
5°C | 10°C | |
 High Temp |
13°C | 12°C | |
| Low Temp |
-3°C | 7°C | |
 Total Precipitation |
77 mm | 55 mm | |
| Rainy Days |
7 days | 9 days | |
 Total Snowfall |
23 cm | 0,7 cm | |
| Snowy Days |
10 days | 1 day | |
January
UV index
The UV index is a maximum of 2 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.
Temperature records for Illinois in February
With 23°C, Illinois hit the highest temperature in the last 10 years in February 2017. The lowest daytime temperature in this month was -18°C in 2021. The extreme night temperatures ranged from a low of -24°C to a high of 12°C.
Check out the climate of Illinois for all months and discover the best travel time
The climate of Illinois is based on weather data from . Other spots, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Illinois for a full picture of the climate.
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Daily Temperature in February in Illinois
This chart shows the average daily temperatures, both day and night, for each day in February in Illinois, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in February in Illinois
The chart below shows the average daily precipitation in February for Illinois, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for February, you can expect around 7 days of rain in Illinois.
Daily Snowfall in February in Illinois
This chart shows the average daily snowfall in February in Illinois, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in February.
Daily UV Index in February in Illinois
This chart shows the average daily UV index in February in Illinois, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in February in Illinois Over the Years
This chart shows the average temperature in February in Illinois, measured in degrees Celsius, over the past years.
Total Precipitation in February in Illinois Over the Years
This chart shows the average precipitation in February in Illinois, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in February in Illinois per year
This chart shows the average snowfall in February in Illinois, measured in centimetres, over the past years.
Daily climate in February for Illinois
Click on a specific day in February for detailed info on the typical weather on that day in Illinois. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in February in Illinois
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Average Weather in Illinois by Month
Click on a month below to see detailed weather info for Illinois. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
