December weather forecast
Milan, IN

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Weather in December

December, the first month of the winter in Milan, is also a wintry month, with an average temperature fluctuating between 29.8°F (-1.2°C) and 40.6°F (4.8°C).

Temperature

The onset of December coincides with a reduction in the average high-temperature, falling from a cool 51.1°F (10.6°C) in November to an icy 40.6°F (4.8°C). Milan experiences an average temperature drop to a subzero cold 29.8°F (-1.2°C) during December nights.

Humidity

December is the most humid month, with an average relative humidity of 82%.

Rainfall

In Milan, during December, the rain falls for 6.1 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 89.7 rainfall days, and 7.44" (189mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Milan are January through April, October through December. In Milan, during December, snow falls for 3.7 days and regularly aggregates up to 0.24" (6mm) of snow. In Milan, during the entire year, snow falls for 17.2 days and aggregates up to 1.61" (41mm) of snow.

Daylight

The month with the shortest days in Milan is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:41 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:59 am and sunset at 5:28 pm EST.

Sunshine

In Milan, the average sunshine in December is 4.2h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Milan. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

Is it cold in Milan during December?

In Milan, 40.6°F (4.8°C) is the average high-temperature and 29.8°F (-1.2°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 89.6°F (32°C).

What is the most humid month in Milan?

With an average relative humidity of 82%, December is the most humid month in Milan, Indiana.

What is the average humidity in December in Milan?

In Milan, Indiana, the average relative humidity in December is 82%.

How many days does it rain in December in Milan?

In Milan, Indiana, during December, the rain falls for 6.1 days and regularly aggregates up to 0.55" (14mm) of precipitation.

How much does it snow in Milan in December?

In Milan, during December, snow falls for 3.7 days and regularly aggregates up to 0.24" (6mm) of snow.

What is the month with the shortest days in Milan?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

How many hours of daylight does Milan have in December?

In Milan, the average day length in December is 9h and 28min.

When is the sunrise / sunset in December in Milan?

On the first day of December in Milan, Indiana, sunrise is at 7:41 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 5:28 pm EST.

How long on average sun shines in December in Milan?

In Milan, the average sunshine duration in December is 4.2h.

What is the month with the lowest UV index in Milan?

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

What is the UV index intensity in December in Milan?

The average daily maximum UV index in December in Milan is 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
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 December
Milan, IN

Average temperature in December - Milan, IN
  • Average high temperature in December: 40.6°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 29.8°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23°F).

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Average pressure in December
Milan, IN

Average pressure in December - Milan, IN
  • Average pressure in December: 30.13"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Milan, IN

Average wind speed in December - Milan, IN
  • Average wind speed in December: 8.3mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in December
Milan, IN

Average humidity in December - Milan, IN
  • Average humidity in December: 82%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in December
Milan, IN

Average rainfall in December - Milan, IN
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is May (0.79").
The driest month (with the least rainfall) is September (0.28").

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Average rainfall days in December
Milan, IN

Average rainfall days in December - Milan, IN
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is May (10.1 days).
The months with the least rainy days are February and November (5.5 days).

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Average snowfall in December
Milan, IN

Average snowfall in December - Milan, IN
  • Average snowfall in December: 0.24"

The month with the highest snowfall is March (0.43").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Milan, IN

Average snowfall days in December - Milan, IN
  • Average snowfall days in December: 3.7 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Milan, IN

Average daylight in December / Average sunshine in December - Milan, IN
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in December
Milan, IN

Average sunshine days in December - Milan, IN
  • Average sunshine days in December: 22.1 days

The month with the most sunshine days is October (22.8 days).
The month with the least sunshine days is July (16.2 days).

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Average UV index in December
Milan, IN

Average UV index in December - Milan, IN
  • Average UV index in December: 1

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

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Average cloud cover in December
Milan, IN

Average cloud cover in December - Milan, IN
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in December
Milan, IN

Average visibility in December - Milan, IN
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).

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Milan, Indiana, USA

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