December weather forecast
Fort Ritner, IN

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Weather in December

The first month of the winter, December, is also an icy month in Fort Ritner, Indiana, with an average temperature varying between 30.4°F (-0.9°C) and 41.9°F (5.5°C).

Temperature

In Fort Ritner, the average high-temperature in December decreases from a fresh 51.4°F (10.8°C) in November to an icy 41.9°F (5.5°C). In the month of December, an average of 30.4°F (-0.9°C) marks the low-temperature.

Humidity

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

Rainfall

In Fort Ritner, in December, during 10.5 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, in Fort Ritner, there are 156.9 rainfall days, and 32.17" (817mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Fort Ritner are January through April, November and December. In December, it is snowing for 6.6 days. Throughout December, 1.69" (43mm) of snow is accumulated. Throughout the year, there are 30.6 snowfall days, and 9.17" (233mm) of snow is accumulated.

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

Sunshine

The month with the least sunshine is December, with an average of 4.2h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is December in Fort Ritner?

An average high-temperature, in December, in Fort Ritner, is 41.9°F (5.5°C) and the average low-temperature is 30.4°F (-0.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 95°F (35°C).

What is the most humid month in Fort Ritner?

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

What is the average humidity in December in Fort Ritner?

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

How many days does it rain in December in Fort Ritner?

In Fort Ritner, in December, during 10.5 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

How many days does it snow in December in Fort Ritner?

In Fort Ritner, in December, snow falls for 6.6 days, with typically accumulated 1.69" (43mm) of snow.

What is the month with the shortest days in Fort Ritner?

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

What is the average length of the day in December in Fort Ritner?

In Fort Ritner, Indiana, the average day length in December is 9h and 31min.

What time are sunrise and sunset in December in Fort Ritner?

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, in Fort Ritner, Indiana, sunrise is at 8:03 am and sunset at 5:33 pm EST.

What is the month with the least sunshine in Fort Ritner?

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

How long on average sun shines in December in Fort Ritner?

In December, the average sunshine duration is 4.2h.

What are the months with the lowest UV index in Fort Ritner?

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

What is the UV index reading in December in Fort Ritner?

The average daily maximum UV index in December in Fort Ritner, Indiana, is 2. A UV Index reading of 2, and below, represents a low health threat 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Fort Ritner, Indiana, USA

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