December weather forecast
Aix, IN

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Weather in December

December, the first month of the winter in Aix, is still a cold month, with an average temperature fluctuating between 26.8°F (-2.9°C) and 36.3°F (2.4°C).

Temperature

Aix's progression into December involves a drop in the average high-temperature, receding from a chilly 47.7°F (8.7°C) in November to a wintry 36.3°F (2.4°C). Throughout the month of December, the nighttime temperature dips to an average of 26.8°F (-2.9°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Aix, in December, during 8.1 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Aix, Indiana, during the entire year, the rain falls for 151.2 days and collects up to 22.64" (575mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Aix. In Aix, in December, during 8.5 snowfall days, 1.97" (50mm) of snow is typically accumulated. Throughout the year, there are 40.3 snowfall days, and 10.91" (277mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Aix, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 6:54 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:30 pm CST.

Sunshine

The average sunshine in December is 4.1h.

UV index

The months with the lowest UV index in Aix are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 1 during December, leads to the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

How cold is it in Aix in December?

In Aix, in December, the average high-temperature is 36.3°F (2.4°C), and the average low-temperature is 26.8°F (-2.9°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in December in Aix?

In Aix, Indiana, the average relative humidity in December is 81%.

How many days does it rain in December in Aix?

In December, in Aix, Indiana, the rain falls for 8.1 days. Throughout December, 1.3" (33mm) of precipitation is accumulated.

How much does it snow in Aix in December?

In Aix, during December, snow falls for 8.5 days and regularly aggregates up to 1.97" (50mm) of snow.

What is the month with the shortest days in Aix?

The month with the shortest days in Aix, Indiana, is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December in Aix?

The average day length in December in Aix is 9h and 17min.

When is the sunrise / sunset in December in Aix?

In December, on the first day of the month, sunrise is at 6:54 am and sunset at 4:20 pm. On the last day of the month, in Aix, Indiana, sunrise is at 7:13 am and sunset at 4:30 pm CST.

How long on average sun shines in December in Aix?

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

What is the month with the lowest UV index in Aix?

The months with the lowest UV index in Aix are January and December, with an average maximum UV index of 1.

How high is the UV index in December in Aix?

The average daily maximum UV index in December in Aix, Indiana, is 1. A UV Index reading of 2, and below, represents 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
Aix, IN

Average temperature in December - Aix, IN
  • Average high temperature in December: 36.3°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in December: 26.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in December
Aix, IN

Average pressure in December - Aix, IN
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Aix, IN

Average wind speed in December - Aix, IN
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in December
Aix, IN

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

The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Aix, IN

Average rainfall in December - Aix, IN
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (1.02").

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Average rainfall days in December
Aix, IN

Average rainfall days in December - Aix, IN
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in December
Aix, IN

Average snowfall in December - Aix, IN
  • Average snowfall in December: 1.97"

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Aix, IN

Average snowfall days in December - Aix, IN
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is January (11.8 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
Aix, IN

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in December
Aix, IN

Average sunshine days in December - Aix, IN
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.6 days).

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Average UV index in December
Aix, IN

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in December
Aix, IN

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

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 35).

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Average visibility in December
Aix, IN

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

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

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Aix, Indiana, USA

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