December weather forecast
Corn Brook, IN

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Weather in December

December, the first month of the winter in Corn Brook, is also an icy month, with an average temperature fluctuating between 40.6°F (4.8°C) and 29.7°F (-1.3°C).

Temperature

December brings a decrease in the average high-temperature, shifting from a cool 51.1°F (10.6°C) in November to a cold 40.6°F (4.8°C). An average low-temperature of 29.7°F (-1.3°C) is anticipated throughout the nights during December.

Humidity

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

Rainfall

In Corn Brook, Indiana, in December, during 11.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 163.5 rainfall days, and 29.29" (744mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Corn Brook, in December, snow falls for 8.2 days, with typically accumulated 1.89" (48mm) of snow. In Corn Brook, during the entire year, snow falls for 34.1 days and aggregates up to 8.54" (217mm) of snow.

Daylight

The month with the shortest days in Corn Brook is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:44 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:30 pm EST.

Sunshine

In December, the average sunshine is 4.3h.

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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. To guard against the harmful effects of the Sun, minimize exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

Corn Brook in December has an average high-temperature of 40.6°F (4.8°C) and an average low-temperature of 29.7°F (-1.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 89.6°F (32°C).

What is the most humid month in Corn Brook?

January, February, July and December, with an average relative humidity of 81%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity is 81%.

How many days does it rain in December?

In Corn Brook, during December, the rain falls for 11.7 days and regularly aggregates up to 2.24" (57mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 8.2 days. Throughout December, 1.89" (48mm) of snow is 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 Corn Brook, the average day length in December is 9h and 28min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:44 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:30 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.3h.

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?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Corn Brook, IN

Average temperature in December - Corn Brook, 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 (35.2°F).

  • Average low temperature in December: 29.7°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 (22.5°F).

Average pressure in December
Corn Brook, IN

Average pressure in December - Corn Brook, IN
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Corn Brook, IN

Average wind speed in December - Corn Brook, IN
  • Average wind speed in December: 8.2mph

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 (5.3mph).

Average humidity in December
Corn Brook, IN

Average humidity in December - Corn Brook, IN
  • Average humidity in December: 81%

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

Average rainfall in December
Corn Brook, IN

Average rainfall in December - Corn Brook, IN
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in December
Corn Brook, IN

Average rainfall days in December - Corn Brook, IN
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).

Average snowfall in December
Corn Brook, IN

Average snowfall in December - Corn Brook, IN
  • Average snowfall in December: 1.89"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Corn Brook, IN

Average snowfall days in December - Corn Brook, IN
  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is January (9.6 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
Corn Brook, IN

Average daylight in December / Average sunshine in December - Corn Brook, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Corn Brook, IN

Average sunshine days in December - Corn Brook, IN
  • Average sunshine days in December: 13.6 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in December
Corn Brook, IN

Average UV index in December - Corn Brook, 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
Corn Brook, IN

Average cloud cover in December - Corn Brook, IN
  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Corn Brook, IN

Average visibility in December - Corn Brook, IN
  • Average visibility in December: 5mi

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

Corn Brook, Indiana, USA

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