December weather forecast
Carlisle, IN

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Weather in December

The first month of the winter, December, is also an icy month in Carlisle, Indiana, with an average temperature varying between 29.5°F (-1.4°C) and 40.8°F (4.9°C).

Temperature

In Carlisle, entering December brings a temperature decrement, reducing from November's cool 51.3°F (10.7°C) to a cold 40.8°F (4.9°C). In December, Carlisle experiences a temperature dip to an average of 29.5°F (-1.4°C) at night.

Humidity

The average relative humidity in December is 80%.

Rainfall

In Carlisle, in December, during 9.4 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Carlisle, during the entire year, the rain falls for 150.1 days and collects up to 28.5" (724mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 5.2 days. Throughout December, 1.57" (40mm) of snow is accumulated. Throughout the year, there are 23.8 snowfall days, and 6.89" (175mm) of snow is accumulated.

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 7:50 am and sunset at 5:27 pm. On the last day of December, in Carlisle, sunrise is at 8:08 am and sunset at 5:37 pm EST.

Sunshine

With an average of 4.4h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index in Carlisle are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In December, the UV index of 2 transforms into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is December in Carlisle?

In December, in Carlisle, the average high-temperature is 40.8°F (4.9°C), and the average low-temperature is 29.5°F (-1.4°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is estimated at 89.6°F (32°C).

What is the average humidity in December in Carlisle?

In Carlisle, the average relative humidity in December is 80%.

How many days does it rain in December in Carlisle?

In Carlisle, Indiana, in December, during 9.4 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

How much does it snow in Carlisle in December?

In Carlisle, in December, snow falls for 5.2 days, with typically accumulated 1.57" (40mm) of snow.

What is the month with the shortest days in Carlisle?

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

How many hours of daylight does Carlisle have in December?

In Carlisle, Indiana, the average day length in December is 9h and 29min.

When are sunrise and sunset in December in Carlisle?

On the first day of December, sunrise is at 7:50 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:37 pm EST.

What is the month with the least sunshine in Carlisle?

With an average of 4.4h of sunshine, December has the least sunshine of the year in Carlisle, Indiana.

How many hours of sunshine does Carlisle have in December?

In December, the average sunshine duration is 4.4h.

When is the lowest UV index in Carlisle?

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

How high is the UV index in December in Carlisle?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Carlisle, IN

Average temperature in December - Carlisle, IN
  • Average high temperature in December: 40.8°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in December: 29.5°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in December
Carlisle, IN

Average pressure in December - Carlisle, IN
  • Average pressure in December: 30.13"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).

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Average wind speed in December
Carlisle, IN

Average wind speed in December - Carlisle, IN
  • Average wind speed in December: 8.9mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in December
Carlisle, IN

Average humidity in December - Carlisle, IN
  • Average humidity in December: 80%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Carlisle, IN

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

The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in December
Carlisle, IN

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

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in December
Carlisle, IN

Average snowfall in December - Carlisle, IN
  • Average snowfall in December: 1.57"

The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Carlisle, IN

Average snowfall days in December - Carlisle, IN
  • Average snowfall days in December: 5.2 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Carlisle, 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 June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

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Average sunshine days in December
Carlisle, IN

Average sunshine days in December - Carlisle, IN
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.1 days).

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Average UV index in December
Carlisle, IN

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

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

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Average cloud cover in December
Carlisle, IN

Average cloud cover in December - Carlisle, IN
  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in December
Carlisle, IN

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

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

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Carlisle, Indiana, USA

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