December weather forecast
Waynesville, IN

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Weather in December

The first month of the winter, December, is also a wintry month in Waynesville, Indiana, with temperature in the range of an average low of 30.4°F (-0.9°C) and an average high of 41.9°F (5.5°C).

Temperature

In Waynesville, the beginning of December is marked by a lowered average high-temperature, shifting from November's cool 51.4°F (10.8°C) to a cold 41.9°F (5.5°C). Nighttime temperature experiences an average drop to a freezing cold 30.4°F (-0.9°C) in December.

Humidity

The most humid month is December, with an average relative humidity of 81%.

Rainfall

In December, the rain falls for 11.2 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 163.7 rainfall days, and 33.11" (841mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Waynesville, in December, snow falls for 7.2 days, with typically accumulated 1.81" (46mm) of snow. In Waynesville, during the entire year, snow falls for 32.7 days and aggregates up to 9.69" (246mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:44 am and sunset at 5:21 pm. On the last day of December, sunrise is at 8:02 am and sunset at 5:31 pm EST.

Sunshine

January and December, with an average of 4.1h of sunshine, are months with the least sunshine.

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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 2 during December leads to these advisories:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

Waynesville in December has an average high-temperature of 41.9°F (5.5°C) and an average low-temperature of 30.4°F (-0.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 93.2°F (34°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 81%.

What is the average humidity in December?

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

How many days does it rain in December?

In Waynesville, during December, the rain falls for 11.2 days and regularly aggregates up to 2.44" (62mm) of precipitation.

How much does it snow in December?

In Waynesville, during December, snow falls for 7.2 days and regularly aggregates up to 1.81" (46mm) of snow.

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.

How many hours of daylight does Waynesville have in December?

The average day length in December is 9h and 28min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:44 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:31 pm EST.

What is the month with the least sunshine?

The months with the least sunshine are January and December, with an average of 4.1h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 4.1h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index in Waynesville is 2. A UV Index value of 2, and less, symbolizes 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
Waynesville, IN

Average temperature in December - Waynesville, IN
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in December: 30.4°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in December
Waynesville, IN

Average pressure in December - Waynesville, 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
Waynesville, IN

Average wind speed in December - Waynesville, IN
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in December
Waynesville, IN

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

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

Average rainfall in December
Waynesville, IN

Average rainfall in December - Waynesville, IN
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Waynesville, IN

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

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (9.9 days).

Average snowfall in December
Waynesville, IN

Average snowfall in December - Waynesville, IN
  • Average snowfall in December: 1.81"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Waynesville, IN

Average snowfall days in December - Waynesville, IN
  • Average snowfall days in December: 7.2 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
Waynesville, IN

Average daylight in December / Average sunshine in December - Waynesville, 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 months with the least sunshine are January and December (Average sunshine: 4h and 6min).

Average sunshine days in December
Waynesville, IN

Average sunshine days in December - Waynesville, IN
  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.6 days).

Average UV index in December
Waynesville, IN

Average UV index in December - Waynesville, 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
Waynesville, IN

Average cloud cover in December - Waynesville, 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 30).

Average visibility in December
Waynesville, IN

Average visibility in December - Waynesville, IN
  • Average visibility in December: 5mi

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

Waynesville, Indiana, USA

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