Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A moderate decline in the average high-temperature is seen during December, decreasing from a fresh 51.1°F (10.6°C) in November to an icy 40.6°F (4.8°C). Milan experiences a mean temperature of 29.8°F (-1.2°C) during December nights.Humidity
With an average relative humidity of 82%, December is the most humid month in Milan.Rainfall
In Milan, in December, during 6.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 89.7 rainfall days, and 7.44" (189mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Milan, in December, snow falls for 3.7 days, with typically accumulated 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
With an average of 9h and 30min of daylight, December has the shortest days of the year in Milan.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 December, the average sunshine is 4.2h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December in Milan?
What is the month with the shortest days in Milan?
How many hours of daylight does Milan have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Milan, Indiana, USA
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