December weather forecast
Commiskey, IN

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Weather in December

December, the first month of the winter in Commiskey, is still a cold month, with temperature in the range of an average high of 41.4°F (5.2°C) and an average low of 30°F (-1.1°C).

Temperature

As November transitions to December, the average high-temperature falls from a fresh 51.3°F (10.7°C) to a cold 41.4°F (5.2°C). Commiskey experiences a consistent average temperature of 30°F (-1.1°C) throughout the nights in December.

Humidity

The months with the highest humidity are January, February and December, with an average relative humidity of 81%.

Rainfall

In Commiskey, during December, the rain falls for 10.9 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Commiskey, during the entire year, the rain falls for 153.7 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Commiskey, in December, during 7.1 snowfall days, 1.65" (42mm) of snow is typically accumulated. In Commiskey, during the entire year, snow falls for 31.7 days and aggregates up to 9.17" (233mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:42 am and sunset at 5:21 pm. On the last day of December, sunrise is at 8:00 am and sunset at 5:30 pm EST.

Sunshine

The average sunshine in December is 4.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Commiskey in December?

During December, Commiskey experiences an average high-temperature of 41.4°F (5.2°C) and a low-temperature of 30°F (-1.1°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is estimated at 91.4°F (33°C).

What is the most humid month?

The months with the highest humidity are January, February and December, with an average relative humidity of 81%.

What is the average humidity in December?

The average relative humidity in December is 81%.

How many days does it rain in December?

In Commiskey, in December, during 10.9 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

How much does it snow in December?

In Commiskey, in December, during 7.1 snowfall days, 1.65" (42mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Commiskey, Indiana, the average day length in December is 9h and 30min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:42 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:30 pm EST.

How many hours of sunshine does Commiskey have in December?

In Commiskey, the average sunshine duration in December is 4.1h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December?

In Commiskey, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Commiskey, IN

Average temperature in December - Commiskey, IN
  • Average high temperature in December: 41.4°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in December
Commiskey, IN

Average pressure in December - Commiskey, 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
Commiskey, IN

Average wind speed in December - Commiskey, IN
  • Average wind speed in December: 8mph

The windiest months (with the highest average wind speed) are January, February and April (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in December
Commiskey, IN

Average humidity in December - Commiskey, IN
  • Average humidity in December: 81%

The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Commiskey, IN

Average rainfall in December - Commiskey, IN
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in December
Commiskey, IN

Average rainfall days in December - Commiskey, IN
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (9 days).

Average snowfall in December
Commiskey, IN

Average snowfall in December - Commiskey, IN
  • Average snowfall in December: 1.65"

The month with the highest snowfall is March (2.28").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Commiskey, IN

Average snowfall days in December - Commiskey, IN
  • Average snowfall days in December: 7.1 days

The month with the highest number of snowfall days is January (8.3 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
Commiskey, IN

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

The month with the longest days is June (Average daylight: 14h and 48min).
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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Commiskey, IN

Average sunshine days in December - Commiskey, IN
  • Average sunshine days in December: 14.2 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (9.9 days).

Average UV index in December
Commiskey, IN

Average UV index in December - Commiskey, IN
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Commiskey, IN

Average cloud cover in December - Commiskey, 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 31).

Average visibility in December
Commiskey, IN

Average visibility in December - Commiskey, IN
  • Average visibility in December: 5mi

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

Commiskey, Indiana, USA

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