December weather forecast
Fort Ritner, IN

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Weather in December

December, the first month of the winter in Fort Ritner, is also an icy month, 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

Stepping into December, Fort Ritner observes a temperature decline, with the average high falling from November's fresh 51.4°F (10.8°C) to a cold 41.9°F (5.5°C). Nighttime temperature in Fort Ritner lowers to an average of 30.4°F (-0.9°C) in December.

Humidity

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

Rainfall

In Fort Ritner, during December, the rain falls for 10.5 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Fort Ritner, during the entire year, the rain falls for 156.9 days and collects up to 32.17" (817mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Fort Ritner, during December, snow falls for 6.6 days and regularly aggregates up to 1.69" (43mm) of snow. In Fort Ritner, during the entire year, snow falls for 30.6 days and aggregates up to 9.17" (233mm) 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 December, sunrise is at 7:45 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:33 pm EST.

Sunshine

With an average of 4.2h of sunshine, December has the least sunshine of the year.

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 minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Fort Ritner, records 41.9°F (5.5°C), while the low-temperature is 30.4°F (-0.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 95°F (35°C).

What is the most humid month?

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

What is the average humidity in December?

In Fort Ritner, the average relative humidity in December is 81%.

How much does it rain in December?

In Fort Ritner, in December, it is raining for 10.5 days, with typically 2.64" (67mm) of accumulated precipitation.

How much does it snow in Fort Ritner in December?

In December, it is snowing for 6.6 days. Throughout December, 1.69" (43mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 31min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:45 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:33 pm EST.

What is the month with the least sunshine?

With an average of 4.2h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Fort Ritner have in December?

In December, the average sunshine duration is 4.2h.

What are the months with 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.

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Fort Ritner, IN

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

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.2°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 (24.1°F).

Average pressure in December
Fort Ritner, IN

Average pressure in December - Fort Ritner, 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
Fort Ritner, IN

Average wind speed in December - Fort Ritner, IN
  • Average wind speed in December: 7.1mph

The windiest months (with the highest average wind speed) are January, February and April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in December
Fort Ritner, IN

Average humidity in December - Fort Ritner, IN
  • Average humidity in December: 81%

The months with the highest relative humidity are February, May and December (81%).
The month with the lowest relative humidity is October (75%).

Average rainfall in December
Fort Ritner, IN

Average rainfall in December - Fort Ritner, IN
  • Average rainfall in December: 2.64"

The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in December
Fort Ritner, IN

Average rainfall days in December - Fort Ritner, IN
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (9.2 days).

Average snowfall in December
Fort Ritner, IN

Average snowfall in December - Fort Ritner, IN
  • Average snowfall in December: 1.69"

The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Fort Ritner, IN

Average snowfall days in December - Fort Ritner, IN
  • Average snowfall days in December: 6.6 days

The month with the highest number of snowfall days is January (8.8 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
Fort Ritner, IN

Average daylight in December / Average sunshine in December - Fort Ritner, 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 6min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

Average sunshine days in December
Fort Ritner, IN

Average sunshine days in December - Fort Ritner, IN
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (9.1 days).

Average UV index in December
Fort Ritner, IN

Average UV index in December - Fort Ritner, 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
Fort Ritner, IN

Average cloud cover in December - Fort Ritner, IN
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Fort Ritner, IN

Average visibility in December - Fort Ritner, IN
  • Average visibility in December: 5mi

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

Fort Ritner, Indiana, USA

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