December weather forecast
Anderson, IN

Weather in December

The first month of the winter, December, is also a wintry month in Anderson, Indiana, with an average temperature varying between 38.1°F (3.4°C) and 27.5°F (-2.5°C).

Temperature

In Anderson, Indiana, the average high-temperature in December decreases from a chilly 48.6°F (9.2°C) in November to a wintry 38.1°F (3.4°C). The average low-temperature, in Anderson, is 27.5°F (-2.5°C).

Humidity

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

Rainfall

In Anderson, during December, the rain falls for 8.3 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, in Anderson, Indiana, there are 142.1 rainfall days, and 20.91" (531mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. The months with the most snowfall are February and December, with an average 2.17" (55mm) of accumulated snow.

Daylight

December has the shortest days of the year in Anderson, Indiana, with an average of 9h and 23min of daylight.
On the first day of the month, sunrise is at 7:45 am and sunset at 5:17 pm. On the last day of December, sunrise is at 8:04 am and sunset at 5:26 pm EST.

Sunshine

In Anderson, the average sunshine in December is 4.1h.

UV index

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What are the most humid months in Anderson?

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

What is the average humidity in December in Anderson?

In December, the average relative humidity is 83%.

How many days does it rain in December in Anderson?

In December, in Anderson, Indiana, the rain falls for 8.3 days. Throughout December, 1.46" (37mm) of precipitation is accumulated.

What is the snowiest month in Anderson?

The months with the most snowfall in Anderson, Indiana, are February and December, with an average 2.17" (55mm) of accumulated snow.

How much does it snow in Anderson in December?

In Anderson, in December, snow falls for 7.7 days, with typically accumulated 2.17" (55mm) of snow.

What is the month with the shortest days in Anderson?

The month with the shortest days in Anderson, Indiana, is December, with an average of 9h and 23min of daylight.

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

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

When are sunrise and sunset in December in Anderson?

On the first day of December, sunrise is at 7:45 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:26 pm EST.

How long on average sun shines in December in Anderson?

The average sunshine duration in December is 4.1h.

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

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

What is the UV index reading in December in Anderson?

In Anderson, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Anderson, IN

Average temperature in December - Anderson, IN
  • Average high temperature in December: 38.1°F

The warmest month (with the highest average high temperature) is July (81.3°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 (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in December
Anderson, IN

Average pressure in December - Anderson, IN
  • Average pressure in December: 30.11"Hg

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

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Average wind speed in December
Anderson, IN

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

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in December
Anderson, IN

Average humidity in December - Anderson, 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
Anderson, IN

Average rainfall in December - Anderson, IN
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are February and November (1.14").

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Average rainfall days in December
Anderson, IN

Average rainfall days in December - Anderson, IN
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (6.1 days).

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Average snowfall in December
Anderson, IN

Average snowfall in December - Anderson, IN
  • Average snowfall in December: 2.17"

The months with the highest snowfall are February and December (2.17").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Anderson, IN

Average snowfall days in December - Anderson, IN
  • Average snowfall days in December: 7.7 days

The month with the highest number of snowfall days is January (10.4 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
Anderson, IN

Average daylight in December / Average sunshine in December - Anderson, IN
  • Average daylight in December: 9h and 23min

The month with the longest days is June (Average daylight: 14h and 59min).
The month with the shortest days is December (Average daylight: 9h and 23min).

  • Average sunshine in December: 4h and 6min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in December
Anderson, IN

Average sunshine days in December - Anderson, IN
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in December
Anderson, IN

Average UV index in December - Anderson, 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, October, November and December (UV index 2).

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Average cloud cover in December
Anderson, IN

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

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are June, July and August (Cloud cover 32).

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Average visibility in December
Anderson, IN

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

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

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