December weather forecast
Carbon, IN

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Weather in December

The first month of the winter, December, is also a wintry month in Carbon, Indiana, with an average temperature varying between 39.2°F (4°C) and 28.4°F (-2°C).

Temperature

Welcoming December, Carbon observes a shift in the average high-temperature, falling from November's cool 50°F (10°C) to a wintry 39.2°F (4°C). During December nights, Carbon records an average temperature of 28.4°F (-2°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Carbon, in December, during 9.4 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 151.2 rainfall days, and 22.87" (581mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 6.6 days and typically aggregates up to 1.81" (46mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:50 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:34 pm EST.

Sunshine

The average sunshine in December 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 health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Experience reduced UV exposure by about half when donning a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

How cold is it in December?

The high-temperature during December is 39.2°F (4°C) and the low-temperature is 28.4°F (-2°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in December?

In Carbon, in December, during 9.4 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 6.6 days and accumulates 1.81" (46mm) of snow.

How much does it snow in December?

In December, it is snowing for 6.6 days. Throughout December, 1.81" (46mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

In Carbon, the average day length in December is 9h and 26min.

When are sunrise and sunset in December in Carbon?

In December, on the first day of the month, sunrise is at 7:50 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:34 pm EST.

How many hours of sunshine does Carbon have in December?

In December, the average sunshine duration is 4.3h.

What is the month 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 intensity in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe 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
Carbon, IN

Average temperature in December - Carbon, IN
  • Average high temperature in December: 39.2°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in December: 28.4°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 (22.1°F).

Average pressure in December
Carbon, IN

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Carbon, IN

Average wind speed in December - Carbon, IN
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

Average humidity in December
Carbon, IN

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

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Carbon, IN

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

The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is February (1.26").

Average rainfall days in December
Carbon, IN

Average rainfall days in December - Carbon, IN
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in December
Carbon, IN

Average snowfall in December - Carbon, IN
  • Average snowfall in December: 1.81"

The month with the highest snowfall is December (1.81").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Carbon, IN

Average snowfall days in December - Carbon, IN
  • Average snowfall days in December: 6.6 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
Carbon, IN

Average daylight in December / Average sunshine in December - Carbon, IN
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Carbon, IN

Average sunshine days in December - Carbon, IN
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (9.6 days).

Average UV index in December
Carbon, IN

Average UV index in December - Carbon, 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
Carbon, IN

Average cloud cover in December - Carbon, 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 32).

Average visibility in December
Carbon, IN

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

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

Carbon, Indiana, USA

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