December weather forecast
Rising Sun, IN

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Weather in December

December, the first month of the winter in Rising Sun, is also an icy month, with an average temperature ranging between min 30.9°F (-0.6°C) and max 42.3°F (5.7°C).

Temperature

Rising Sun, Indiana, observes a minor decrease in the average high-temperature with the arrival of December, falling from November's cool 51.8°F (11°C) to an icy 42.3°F (5.7°C). During the month of December, the nighttime temperature falls to an average of 30.9°F (-0.6°C).

Humidity

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

Rainfall

In Rising Sun, in December, it is raining for 12.9 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 167 rainfall days, and 30.39" (772mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 7.6 days. Throughout December, 2.05" (52mm) of snow is accumulated. Throughout the year, there are 33.8 snowfall days, and 9.65" (245mm) 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 the month, sunrise is at 7:39 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:58 am and sunset at 5:27 pm EST.

Sunshine

In Rising Sun, 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 unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

The average high-temperature, in December, in Rising Sun, is 42.3°F (5.7°C), while the average low-temperature is 30.9°F (-0.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 93.2°F (34°C).

What are the most humid months?

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

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in December?

In Rising Sun, in December, it is raining for 12.9 days, with typically 2.48" (63mm) of accumulated precipitation.

How much does it snow in Rising Sun in December?

In Rising Sun, in December, during 7.6 snowfall days, 2.05" (52mm) of snow is typically accumulated.

What is the month with the shortest days?

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?

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

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:39 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?

The average sunshine duration in December is 4.2h.

What is the month with the lowest UV index in Rising Sun?

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

What is the UV index intensity in December?

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 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
Rising Sun, IN

Average temperature in December - Rising Sun, IN
  • Average high temperature in December: 42.3°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in December: 30.9°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 (23.9°F).

Average pressure in December
Rising Sun, IN

Average pressure in December - Rising Sun, 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).

Average wind speed in December
Rising Sun, IN

Average wind speed in December - Rising Sun, IN
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in December
Rising Sun, IN

Average humidity in December - Rising Sun, IN
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Rising Sun, IN

Average rainfall in December - Rising Sun, IN
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in December
Rising Sun, IN

Average rainfall days in December - Rising Sun, IN
  • Average rainfall days in December: 12.9 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (9.7 days).

Average snowfall in December
Rising Sun, IN

Average snowfall in December - Rising Sun, IN
  • Average snowfall in December: 2.05"

The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Rising Sun, IN

Average snowfall days in December - Rising Sun, IN
  • Average snowfall days in December: 7.6 days

The month with the highest number of snowfall days is January (9.8 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
Rising Sun, IN

Average daylight in December / Average sunshine in December - Rising Sun, 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Rising Sun, IN

Average sunshine days in December - Rising Sun, IN
  • Average sunshine days in December: 12.9 days

The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in December
Rising Sun, IN

Average UV index in December - Rising Sun, 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
Rising Sun, IN

Average cloud cover in December - Rising Sun, 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 29).

Average visibility in December
Rising Sun, IN

Average visibility in December - Rising Sun, IN
  • Average visibility in December: 6mi

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

Rising Sun, Indiana, USA

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