December weather forecast
Aurora, IN

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Weather in December

December, the first month of the winter in Aurora, is also an icy month, with an average temperature fluctuating between 41.2°F (5.1°C) and 30.4°F (-0.9°C).

Temperature

With December's onset, the weather shows a temperature decrease, transitioning from a fresh 51.3°F (10.7°C) in November to a wintry 41.2°F (5.1°C). The average low-temperature in Aurora during December nights is a freezing cold 30.4°F (-0.9°C).

Humidity

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

Rainfall

In December, the rain falls for 11.2 days. Throughout December, 2.13" (54mm) of precipitation is accumulated. In Aurora, during the entire year, the rain falls for 157.3 days and collects up to 26.81" (681mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Aurora. In Aurora, during December, snow falls for 7.5 days and regularly aggregates up to 1.54" (39mm) of snow. Throughout the year, there are 32.4 snowfall days, and 7.87" (200mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Aurora, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:40 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:27 pm EST.

Sunshine

The average sunshine in December is 4.1h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 1 in December translates into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

Is it cold in Aurora during December?

In Aurora, in December, the average high-temperature is 41.2°F (5.1°C), and the average low-temperature is 30.4°F (-0.9°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 91.4°F (33°C).

What is the most humid month in Aurora?

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

What is the average humidity in December in Aurora?

The average relative humidity in December is 81%.

How much does it rain in Aurora in December?

In December, in Aurora, the rain falls for 11.2 days. Throughout December, 2.13" (54mm) of precipitation is accumulated.

How much does it snow in Aurora in December?

In Aurora, in December, during 7.5 snowfall days, 1.54" (39mm) of snow is typically accumulated.

What is the month with the shortest days in Aurora?

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

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

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

What time are sunrise and sunset in December in Aurora?

On the first day of December, sunrise is at 7:40 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:27 pm EST.

How long on average sun shines in December in Aurora?

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

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

With an average maximum UV index of 1, December is the month with the lowest UV index in Aurora, Indiana.

What is the UV index intensity in December in Aurora?

The average daily maximum UV index in December in Aurora, Indiana, is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Aurora, IN

Average temperature in December - Aurora, IN
  • Average high temperature in December: 41.2°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 30.4°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in December
Aurora, IN

Average pressure in December - Aurora, IN
  • Average pressure in December: 30.13"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Aurora, IN

Average wind speed in December - Aurora, IN
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).

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Average humidity in December
Aurora, IN

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

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are September and October (75%).

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Average rainfall in December
Aurora, IN

Average rainfall in December - Aurora, IN
  • Average rainfall in December: 2.13"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days in December
Aurora, IN

Average rainfall days in December - Aurora, IN
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (8.7 days).

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Average snowfall in December
Aurora, IN

Average snowfall in December - Aurora, IN
  • Average snowfall in December: 1.54"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Aurora, IN

Average snowfall days in December - Aurora, IN
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Aurora, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in December
Aurora, IN

Average sunshine days in December - Aurora, IN
  • Average sunshine days in December: 13.4 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in December
Aurora, IN

Average UV index in December - Aurora, 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
Aurora, IN

Average cloud cover in December - Aurora, IN
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
Aurora, IN

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

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

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Aurora, Indiana, USA

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