December weather forecast
Dillman, IN

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Weather in December

December, the first month of the winter in Dillman, is still a cold month, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 36.7°F (2.6°C).

Temperature

Dillman's December weather comes with a decrease in average high-temperatures, moving from a chilly 48.2°F (9°C) in November to a wintry 36.7°F (2.6°C). Throughout December, the temperature in Dillman tends to fall to a consistent average low of 27.3°F (-2.6°C).

Humidity

The months with the highest humidity in Dillman are January, February and December, with an average relative humidity of 83%.

Rainfall

In Dillman, during December, the rain falls for 8.1 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Dillman, Indiana, during the entire year, the rain falls for 137.2 days and collects up to 17.95" (456mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Dillman. In Dillman, Indiana, in December, snow falls for 8.1 days, with typically accumulated 1.54" (39mm) of snow. In Dillman, during the entire year, snow falls for 35.6 days and aggregates up to 7.64" (194mm) of snow.

Daylight

December has the shortest days of the year in Dillman, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:46 am and sunset at 5:15 pm. On the last day of December, sunrise is at 8:05 am and sunset at 5:24 pm EST.

Sunshine

In December, the average sunshine in Dillman is 3.9h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 1 during December morphs into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

How cold is December in Dillman?

In December, the average high-temperature and low-temperature are 36.7°F (2.6°C) and 27.3°F (-2.6°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 87.8°F (31°C).

What is the most humid month in Dillman?

January, February and December, with an average relative humidity of 83%, are most humid months in Dillman, Indiana.

What is the average humidity in December in Dillman?

In December, the average relative humidity in Dillman is 83%.

How much does it rain in Dillman in December?

In Dillman, Indiana, in December, it is raining for 8.1 days, with typically 1.3" (33mm) of accumulated precipitation.

How many days does it snow in December in Dillman?

In Dillman, Indiana, in December, snow falls for 8.1 days, with typically accumulated 1.54" (39mm) of snow.

What is the month with the shortest days in Dillman?

The month with the shortest days in Dillman, Indiana, is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Dillman have in December?

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

When are sunrise and sunset in December in Dillman?

On the first day of December, sunrise is at 7:46 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:24 pm EST.

How long on average sun shines in December in Dillman?

In December, the average sunshine duration in Dillman is 3.9h.

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

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

How high is the UV index in December in Dillman?

The average daily maximum UV index in December in Dillman is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe 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
Dillman, IN

Average temperature in December - Dillman, IN
  • Average high temperature in December: 36.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in December
Dillman, IN

Average pressure in December - Dillman, IN
  • Average pressure in December: 30.11"Hg

The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Dillman, IN

Average wind speed in December - Dillman, IN
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in December
Dillman, IN

Average humidity in December - Dillman, IN
  • Average humidity in December: 83%

The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Dillman, IN

Average rainfall in December - Dillman, IN
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is February (0.98").

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Average rainfall days in December
Dillman, IN

Average rainfall days in December - Dillman, IN
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (5.4 days).

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Average snowfall in December
Dillman, IN

Average snowfall in December - Dillman, IN
  • Average snowfall in December: 1.54"

The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Dillman, IN

Average snowfall days in December - Dillman, IN
  • Average snowfall days in December: 8.1 days

The month with the highest number of snowfall days is January (9.6 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
Dillman, IN

Average daylight in December / Average sunshine in December - Dillman, 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: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in December
Dillman, IN

Average sunshine days in December - Dillman, IN
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in December
Dillman, IN

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

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

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Average cloud cover in December
Dillman, IN

Average cloud cover in December - Dillman, IN
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in December
Dillman, IN

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

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

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Dillman, Indiana, USA

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