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Weather in Annual in Illinois

Thinking about venturing to Illinois this Annual and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Illinois in Annual?

Illinois is a region in the United States of America. Annual in Illinois generally has temperatures that range from very cold to cold, with precipitation levels ranging from low to moderate. During Annual, winter is in full swing.

Temperatures

During the day the temperature is very cold in Galena at -2°C and cold in Metropolis at 6°C. As night falls, temperatures generally drop to -4°C in Metropolis and -12°C in Galena. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

Precipitation

In Annual, precipitation varies across different areas. From low snowfall in Galena with an average of 27 mm to moderate snowfall in Metropolis with 100 mm. Looking at the climate data spanning the last 30 years, this month usually has the lowest rainfall in Chicago, marking it as the year's driest month.

Average sunshine

Most areas experience a moderate amount of sunshine, with approximately 133 hours of sunlight expected in Chicago. This makes it neither too gloomy nor overly bright.

To learn more about the conditions in specific areas of Illinois in Annual, check out the map below. For more details on the yearly weather, visit our Illinois climate page.

Where to go in Illinois in Annual

Find more information for the most popular destinations in the Illinois on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in Annual for the 5 most popular destinations in Illinois?

Chicago

In Annual Chicago generally has very low temperatures with maximum daytime temperatures around -1°C, minimum nighttime temperatures around -9°C and moderate monthly snowfall. So on average the conditions are poor that month.

Chicago
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snowfall precipitationSnowfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
15°C 
6°C 
2,520 hours 
1062 mm 
133 days 
-1°C 
-9°C 
133 hours 
50 mm 
10 days 
poor 
-0°C 
-9°C 
138 hours 
63 mm 
10 days 
poor 
Climate in Chicago

Schaumburg

In Annual Schaumburg generally has very low temperatures with maximum daytime temperatures around -1°C, minimum nighttime temperatures around -10°C and moderate monthly snowfall. So on average the conditions are poor that month.

Schaumburg
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snowfall precipitationSnowfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
15°C 
4°C 
2,520 hours 
1045 mm 
134 days 
-1°C 
-10°C 
133 hours 
47 mm 
10 days 
poor 
-0°C 
-10°C 
138 hours 
59 mm 
10 days 
poor 
Climate in Schaumburg

Rosemont

In Annual Rosemont generally has very low temperatures with maximum daytime temperatures around -0°C, minimum nighttime temperatures around -9°C and moderate monthly snowfall. So on average the conditions are poor that month.

Rosemont
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snowfall precipitationSnowfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
15°C 
6°C 
2,520 hours 
1064 mm 
133 days 
-0°C 
-9°C 
133 hours 
50 mm 
10 days 
poor 
-0°C 
-9°C 
138 hours 
64 mm 
10 days 
poor 
Climate in Rosemont

Joliet

In Annual Joliet generally has very low temperatures with maximum daytime temperatures around -0°C, minimum nighttime temperatures around -9°C and moderate monthly snowfall. So on average the conditions are poor that month.

Joliet
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snowfall precipitationSnowfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
15°C 
5°C 
2,520 hours 
1070 mm 
136 days 
-0°C 
-9°C 
133 hours 
52 mm 
11 days 
poor 
0°C 
-9°C 
138 hours 
51 mm 
10 days 
poor 
Climate in Joliet

Naperville

In Annual Naperville generally has very low temperatures with maximum daytime temperatures around -1°C, minimum nighttime temperatures around -10°C and moderate monthly snowfall. So on average the conditions are poor that month.

Naperville
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snowfall precipitationSnowfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
15°C 
4°C 
2,520 hours 
1037 mm 
133 days 
-1°C 
-10°C 
133 hours 
50 mm 
10 days 
poor 
0°C 
-10°C 
138 hours 
57 mm 
10 days 
poor 
Climate in Naperville

Is your destination not in the list? Have a look at other destinations in Illinois, in the United States of America.

Is Annual the best time to visit Illinois?

Given the typically poor weather conditions in Chicago, Annual may not be the ideal time to visit Illinois.

On average, the best time to visit Illinois is in September with generally perfect weather in Chicago. The weather in January, February, March, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Illinois. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.