December weather forecast
Octagon, IN

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Weather in December

December, the first month of the winter in Octagon, is still a cold month, with temperature in the range of an average low of 27.1°F (-2.7°C) and an average high of 37.6°F (3.1°C).

Temperature

December involves a decrease in temperature, down from a chilly 48.2°F (9°C) in November to an icy 37.6°F (3.1°C). December in Octagon is noted for a mean low-temperature of 27.1°F (-2.7°C).

Humidity

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

Rainfall

In Octagon, in December, during 7.4 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Octagon, Indiana, during the entire year, the rain falls for 130.9 days and collects up to 18.23" (463mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Octagon. In Octagon, during December, snow falls for 4.7 days and regularly aggregates up to 1.18" (30mm) of snow. In Octagon, during the entire year, snow falls for 28.3 days and aggregates up to 7.36" (187mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Octagon, Indiana.
On the first day of the month, sunrise is at 7:52 am and sunset at 5:21 pm. On the last day of December, in Octagon, sunrise is at 8:11 am and sunset at 5:31 pm EST.

Sunshine

The average sunshine in December is 4.3h.

UV index

December is the month with the lowest UV index in Octagon, Indiana, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 1 transforms into these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

How cold does it get in Octagon in December?

In Octagon, 37.6°F (3.1°C) is the average high-temperature and 27.1°F (-2.7°C) is the average low-temperature during December. In July, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the average humidity in December in Octagon?

The average relative humidity in December in Octagon, Indiana, is 81%.

How many days does it rain in December in Octagon?

In Octagon, Indiana, in December, during 7.4 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

How much does it snow in Octagon in December?

In Octagon, Indiana, during December, snow falls for 4.7 days and regularly aggregates up to 1.18" (30mm) of snow.

What is the month with the shortest days in Octagon?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Octagon.

How many hours of daylight does Octagon have in December?

In Octagon, the average day length in December is 9h and 20min.

What time are sunrise and sunset in December in Octagon?

On the first day of December, sunrise is at 7:52 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:31 pm EST.

How long on average sun shines in December in Octagon?

The average sunshine duration in December in Octagon is 4.3h.

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

The month with the lowest UV index in Octagon is December, with an average maximum UV index of 1.

What is the UV index reading in December in Octagon?

In December, the average daily maximum UV index in Octagon, Indiana, is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Octagon, IN

Average temperature in December - Octagon, IN
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in December: 27.1°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in December
Octagon, IN

Average pressure in December - Octagon, 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
Octagon, IN

Average wind speed in December - Octagon, IN
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in December
Octagon, IN

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Octagon, IN

Average rainfall in December - Octagon, IN
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are February and November (0.94").

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Average rainfall days in December
Octagon, IN

Average rainfall days in December - Octagon, IN
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (5.1 days).

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Average snowfall in December
Octagon, IN

Average snowfall in December - Octagon, IN
  • Average snowfall in December: 1.18"

The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Octagon, IN

Average snowfall days in December - Octagon, IN
  • Average snowfall days in December: 4.7 days

The month with the highest number of snowfall days is January (9 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
Octagon, IN

Average daylight in December / Average sunshine in December - Octagon, IN
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in December
Octagon, IN

Average sunshine days in December - Octagon, IN
  • Average sunshine days in December: 19.8 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in December
Octagon, IN

Average UV index in December - Octagon, IN
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Octagon, IN

Average cloud cover in December - Octagon, IN
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June, August and September (Cloud cover 34).

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Average visibility in December
Octagon, IN

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

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

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Octagon, Indiana, USA

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