December weather forecast
Carmel, IN

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Weather in December

Weather in December in Carmel, Indiana, is synonymous with the peak of winter, defined by low temperatures, short days, and high snowfall. December sees the return of snow with full force to the city, recording a snowfall of 1.38" (35mm), which is the highest for the year. As the daylight hours drop to 9.4, which comes with a drop in average sunshine hours to just four, Carmel residents experience short, frosty days. December marks the end of the year with cheer and celebrations, but also the start of the coldest weather conditions of the year, which will continue in January, marking the cycle of Carmel's weather patterns.

Temperature

The onset of December comes with a shift in the average high-temperature, falling from a frosty 48.9°F (9.4°C) in November to a wintry 37.9°F (3.3°C). Throughout the month of December, the nighttime temperature in Carmel dips to an average of 27.5°F (-2.5°C).

Humidity

January and December, with an average relative humidity of 83%, are the most humid months in Carmel, Indiana.

Rainfall

In Carmel, Indiana, during December, the rain falls for 6.9 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, there are 128.2 rainfall days, and 14.61" (371mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Carmel. The month with the most snowfall is December, when snow falls for 5.9 days and typically aggregates up to 1.38" (35mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December in Carmel, sunrise is at 7:47 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:29 pm EST.

Sunshine

In December, the average sunshine in Carmel, Indiana, is 4.1h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

Is December cold in Carmel?

The high-temperature, in December, in Carmel, is 37.9°F (3.3°C), while the low-temperature averages to 27.5°F (-2.5°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What are the most humid months in Carmel?

The months with the highest humidity in Carmel, Indiana, are January and December, with an average relative humidity of 83%.

What is the average humidity in December in Carmel?

In Carmel, the average relative humidity in December is 83%.

How much does it rain in Carmel in December?

In Carmel, during December, the rain falls for 6.9 days and regularly aggregates up to 1.06" (27mm) of precipitation.

What is the snowiest month in Carmel?

December is the month with the most snowfall in Carmel, Indiana. Snow falls for 5.9 days and accumulates 1.38" (35mm) of snow.

How many days does it snow in December in Carmel?

In Carmel, during December, snow falls for 5.9 days and regularly aggregates up to 1.38" (35mm) of snow.

What is the month with the shortest days in Carmel?

December has the shortest days of the year in Carmel, with an average of 9h and 24min of daylight.

How many hours of daylight does Carmel have in December?

In Carmel, the average day length in December is 9h and 23min.

What time are sunrise and sunset in December in Carmel?

In December, on the first day of the month, sunrise is at 7:47 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:29 pm EST.

How many hours of sunshine does Carmel have in December?

The average sunshine duration in December is 4.1h.

When is the lowest UV index in Carmel?

The month with the lowest UV index is December, with an average maximum UV index of 1.

What is the UV index intensity in December in Carmel?

In December, the average daily maximum UV index in Carmel, Indiana, is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Carmel, IN

Average temperature in December - Carmel, IN
  • Average high temperature in December: 37.9°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in December: 27.5°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 (20.5°F).

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Average pressure in December
Carmel, IN

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

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Carmel, IN

Average wind speed in December - Carmel, IN
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in December
Carmel, IN

Average humidity in December - Carmel, IN
  • Average humidity in December: 83%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Carmel, IN

Average rainfall in December - Carmel, IN
  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is February (0.79").

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Average rainfall days in December
Carmel, IN

Average rainfall days in December - Carmel, IN
  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (5.9 days).

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Average snowfall in December
Carmel, IN

Average snowfall in December - Carmel, IN
  • Average snowfall in December: 1.38"

The month with the highest snowfall is December (1.38").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Carmel, IN

Average snowfall days in December - Carmel, IN
  • Average snowfall days in December: 5.9 days

The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in December
Carmel, IN

Average sunshine days in December - Carmel, IN
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.7 days).

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Average UV index in December
Carmel, IN

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

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

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Average cloud cover in December
Carmel, IN

Average cloud cover in December - Carmel, IN
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in December
Carmel, IN

Average visibility in December - Carmel, 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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Carmel, Indiana, USA

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