December weather forecast
Center Square, IN

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Weather in December

December, the first month of the winter in Center Square, is still a cold month, with an average temperature ranging between min 30.9°F (-0.6°C) and max 42.6°F (5.9°C).

Temperature

The beginning of December marks a decrease in the average high-temperature, transitioning from a cool 51.8°F (11°C) in November to an icy 42.6°F (5.9°C). During December nights, Center Square witnesses a consistent average temperature of 30.9°F (-0.6°C).

Humidity

February and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In Center Square, Indiana, during December, the rain falls for 12.6 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Center Square, during the entire year, the rain falls for 166.7 days and collects up to 26.46" (672mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Center Square, in December, snow falls for 7 days, with typically accumulated 1.73" (44mm) of snow. Throughout the year, there are 31 snowfall days, and 7.05" (179mm) 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 December, sunrise is at 7:40 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:28 pm EST.

Sunshine

In Center Square, the average sunshine in December is 4.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is it in December?

The average high-temperature, in December, in Center Square, is 42.6°F (5.9°C), while the average low-temperature is 30.9°F (-0.6°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 93.2°F (34°C).

What is the most humid month?

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

What is the average humidity in December?

The average relative humidity in December is 81%.

How much does it rain in Center Square in December?

In Center Square, in December, it is raining for 12.6 days, with typically 2.09" (53mm) of accumulated precipitation.

How many days does it snow in December?

In Center Square, during December, snow falls for 7 days and regularly aggregates up to 1.73" (44mm) of snow.

What is the month with the shortest days in Center Square?

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

What is the average length of the day in December?

The average day length in December is 9h and 30min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:40 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:28 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.2h.

When is the lowest UV index?

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 Center Square, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from 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
Center Square, IN

Average temperature in December - Center Square, IN
  • Average high temperature in December: 42.6°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in December
Center Square, IN

Average pressure in December - Center Square, 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 (29.94"Hg).

Average wind speed in December
Center Square, IN

Average wind speed in December - Center Square, IN
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in December
Center Square, IN

Average humidity in December - Center Square, 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%).

Average rainfall in December
Center Square, IN

Average rainfall in December - Center Square, IN
  • Average rainfall in December: 2.09"

The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in December
Center Square, IN

Average rainfall days in December - Center Square, IN
  • Average rainfall days in December: 12.6 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in December
Center Square, IN

Average snowfall in December - Center Square, IN
  • Average snowfall in December: 1.73"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Center Square, IN

Average snowfall days in December - Center Square, IN
  • Average snowfall days in December: 7 days

The month with the highest number of snowfall days is January (9 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
Center Square, IN

Average daylight in December / Average sunshine in December - Center Square, IN
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Center Square, IN

Average sunshine days in December - Center Square, IN
  • Average sunshine days in December: 13.3 days

The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in December
Center Square, IN

Average UV index in December - Center Square, 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
Center Square, IN

Average cloud cover in December - Center Square, IN
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Center Square, IN

Average visibility in December - Center Square, IN
  • Average visibility in December: 5mi

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

Center Square, Indiana, USA

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