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Romeoville weather in January (Illinois, United States of America)

Looking to travel to Romeoville in January? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In January, Romeoville generally has very low temperatures and moderate snowfall. January falls within the winter season. Daytime temperatures hover around -0°C, while nights can cool down to about -9°C. 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.

Romeoville in January usually receives moderate snowfall, averaging around 52 mm for the month. It is the driest month of the year. For those who prefer outdoor activities, it's a great time to explore without the huge concern of sudden downpours. When we look at the climate data from the last 30 years, we can expect around 10 days of snow.

The area experiences a moderate amount of sunshine, with approximately 133 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Romeoville. September typically offers the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Romeoville climate page with graphs.

 

Romeoville, monthly averages in January

Min TemperatureMin Temperature -9°C  
Max TemperatureMax Temperature -0°C  
Chance of RainChance of Rain 34%  
PrecipitationPrecipitation 52 mm  
Rainy daysRainy days 10 days  
HumidityHumidity 72% *  
SunshineSunshine 133 hours *  
Percentage SunshinePercentage Sunshine 46% *  
* Data from: Chicago, the United States of America (40 KM, 25 Miles).

Where to go in the United States of America in January

Find out more about the weather in the United States of America in January and which places have the best weather conditions in this month.

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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).

So, what should you wear in Romeoville in January?

Visitors traveling to Romeoville should plan on bringing winter clothes, snow boots and a warm winter coat. There will be periods of snow.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in January.

Swimming
5/10
Cycling
1/10
Walking
1/10
Camping
1/10
Outdoor sports
1/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Romeoville.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find 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 climate conditions. Find out where to go with our weather planner.