January weather forecast
Milan, IL

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Weather in January

January, like December, is another subzero cold winter month in Milan, Illinois, with an average temperature ranging between max 28.2°F (-2.1°C) and min 16°F (-8.9°C).

Temperature

In Milan, the lowest temperatures are generally noted in January, averaging a high of 28.2°F (-2.1°C) and a low of 16°F (-8.9°C).

Humidity

January and July, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Milan, in January, it is raining for 1.8 days, with typically 0.35" (9mm) of accumulated precipitation. In Milan, during the entire year, the rain falls for 75.2 days and collects up to 5.79" (147mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 5.5 days and typically aggregates up to 1.06" (27mm) of snow.

Daylight

In Milan, Illinois, the average length of the day in January is 9h and 35min.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:42 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:16 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 3.9h of sunshine.

UV index

January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 1 translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To cut down UV radiation exposure by about half, sport a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What are the coldest months in Milan?

In Milan, January is known for its average lowest temperatures, reaching a high of 28.2°F (-2.1°C) and a low of 16°F (-8.9°C).

How cold is it in Milan in January?

In January, the average high-temperature and low-temperature are 28.2°F (-2.1°C) and 16°F (-8.9°C) respectively.

What is the most humid month in Milan?

January and July, with an average relative humidity of 83%, are most humid months in Milan.

What is the average humidity in January in Milan?

In Milan, the average relative humidity in January is 83%.

How many days does it rain in January in Milan?

In Milan, Illinois, during January, the rain falls for 1.8 days and regularly aggregates up to 0.35" (9mm) of precipitation.

What is the snowiest month in Milan?

The month with the most snowfall in Milan is January, when snow falls for 5.5 days and typically aggregates up to 1.06" (27mm) of snow.

How much does it snow in Milan in January?

In Milan, in January, during 5.5 snowfall days, 1.06" (27mm) of snow is typically accumulated.

How many hours of daylight does Milan have in January?

The average day length in January is 9h and 35min.

When is the sunrise / sunset in January in Milan?

On the first day of January in Milan, Illinois, sunrise is at 7:28 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:16 pm CST.

What is the month with the least sunshine in Milan?

The month with the least sunshine is January, with an average of 3.9h of sunshine.

How long on average sun shines in January in Milan?

The average sunshine duration in January is 3.9h.

When is the lowest UV index in Milan?

The month with the lowest UV index in Milan, Illinois, is January, with an average maximum UV index of 1.

What is the UV index intensity in January in Milan?

In Milan, Illinois, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Milan, IL

Average temperature in January - Milan, IL
  • Average high temperature in January: 28.2°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in January: 16°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).

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Average pressure in January
Milan, IL

Average pressure in January - Milan, IL
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in January
Milan, IL

Average wind speed in January - Milan, IL
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

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Average humidity in January
Milan, IL

Average humidity in January - Milan, IL
  • Average humidity in January: 83%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
Milan, IL

Average rainfall in January - Milan, IL
  • Average rainfall in January: 0.35"

The wettest month (with the highest rainfall) is May (0.94").
The driest month (with the least rainfall) is December (0.24").

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Average rainfall days in January
Milan, IL

Average rainfall days in January - Milan, IL
  • Average rainfall days in January: 1.8 days

The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is January (1.8 days).

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Average snowfall in January
Milan, IL

Average snowfall in January - Milan, IL
  • Average snowfall in January: 1.06"

The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Milan, IL

Average snowfall days in January - Milan, IL
  • Average snowfall days in January: 5.5 days

The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Milan, IL

Average daylight in January / Average sunshine in January - Milan, IL
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in January
Milan, IL

Average sunshine days in January - Milan, IL
  • Average sunshine days in January: 25.1 days

The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is June (15.4 days).

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Average UV index in January
Milan, IL

Average UV index in January - Milan, IL
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in January
Milan, IL

Average cloud cover in January - Milan, IL
  • Average cloud cover in January: 58

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in January
Milan, IL

Average visibility in January - Milan, IL
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Milan, Illinois, USA

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