December weather forecast
Millersburg, IN

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Weather in December

December, the first month of the winter in Millersburg, is also a wintry month, with an average temperature varying between 35.2°F (1.8°C) and 25.7°F (-3.5°C).

Temperature

Millersburg's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 46.4°F (8°C) to a wintry 35.2°F (1.8°C). Millersburg experiences an average low-temperature reading of 25.7°F (-3.5°C) throughout December.

Humidity

The average relative humidity in December is 84%.

Rainfall

December is the month with the least rainfall. Rain falls for 9.6 days and accumulates 1.61" (41mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Millersburg, during December, snow falls for 13.4 days and regularly aggregates up to 2.95" (75mm) of snow. In Millersburg, during the entire year, snow falls for 59.8 days and aggregates up to 17.05" (433mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:50 am and sunset at 5:13 pm. On the last day of December, in Millersburg, sunrise is at 8:09 am and sunset at 5:23 pm EST.

Sunshine

The average sunshine in December is 3.5h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 1 in December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

During December, Millersburg experiences an average high-temperature of 35.2°F (1.8°C) and a low-temperature of 25.7°F (-3.5°C).

What is the average humidity in December?

The average relative humidity in December is 84%.

What is the driest month?

December is the month with the least rainfall. Rain falls for 9.6 days and accumulates 1.61" (41mm) of precipitation.

How much does it rain in December?

In Millersburg, in December, it is raining for 9.6 days, with typically 1.61" (41mm) of accumulated precipitation.

How many days does it snow in December?

In Millersburg, in December, during 13.4 snowfall days, 2.95" (75mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year in Millersburg, with an average of 9h and 12min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 14min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:50 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 5:23 pm EST.

How long on average sun shines in December?

In Millersburg, the average sunshine duration in December is 3.5h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

How high is the UV index in December?

In Millersburg, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk 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 December
Millersburg, IN

Average temperature in December - Millersburg, IN
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in December
Millersburg, IN

Average pressure in December - Millersburg, IN
  • Average pressure in December: 30.09"Hg

The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Millersburg, IN

Average wind speed in December - Millersburg, IN
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in December
Millersburg, IN

Average humidity in December - Millersburg, IN
  • Average humidity in December: 84%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are March, April and October (77%).

Average rainfall in December
Millersburg, IN

Average rainfall in December - Millersburg, IN
  • Average rainfall in December: 1.61"

The wettest months (with the highest rainfall) are April and May (3.35").
The driest month (with the least rainfall) is December (1.61").

Average rainfall days in December
Millersburg, IN

Average rainfall days in December - Millersburg, IN
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.8 days).

Average snowfall in December
Millersburg, IN

Average snowfall in December - Millersburg, IN
  • Average snowfall in December: 2.95"

The month with the highest snowfall is January (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Millersburg, IN

Average snowfall days in December - Millersburg, IN
  • Average snowfall days in December: 13.4 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Millersburg, IN
  • Average daylight in December: 9h and 1min

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 December: 3h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Millersburg, IN

Average sunshine days in December - Millersburg, IN
  • Average sunshine days in December: 11.2 days

The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (8.5 days).

Average UV index in December
Millersburg, IN

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

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

Average cloud cover in December
Millersburg, IN

Average cloud cover in December - Millersburg, IN
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in December
Millersburg, IN

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

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

Millersburg, Indiana, USA

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