December weather forecast
Knightstown, IN

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Weather in December

The first month of the winter, December, is also an icy month in Knightstown, Indiana, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 38.3°F (3.5°C).

Temperature

A shift in Knightstown's weather is observed as November turns into December, with the average high temperature reducing from a frosty 48.9°F (9.4°C) to a cold 38.3°F (3.5°C). Knightstown records an average low-temperature of 28.4°F (-2°C) throughout the month of December.

Humidity

The most humid month in Knightstown is December, with an average relative humidity of 83%.

Rainfall

In Knightstown, in December, it is raining for 7.4 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, in Knightstown, there are 125.9 rainfall days, and 12.28" (312mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. December is the month with the most snowfall in Knightstown. Snow falls for 5.7 days and accumulates 1.34" (34mm) of snow.

Daylight

December has the shortest days of the year in Knightstown, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:44 am and sunset at 5:17 pm. On the last day of December, sunrise is at 8:03 am and sunset at 5:27 pm EST.

Sunshine

The average sunshine in December is 4h.

UV index

The month with the lowest UV index in Knightstown, Indiana, is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 1 during December translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

How cold does it get in Knightstown in December?

An average high-temperature, in December, in Knightstown, is 38.3°F (3.5°C) and the average low-temperature is 28.4°F (-2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is computed to be 87.8°F (31°C).

What is the most humid month in Knightstown?

With an average relative humidity of 83%, December is the most humid month in Knightstown, Indiana.

What is the average humidity in December in Knightstown?

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

How many days does it rain in December in Knightstown?

In Knightstown, Indiana, in December, during 7.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

When does it snow the most in Knightstown?

The month with the most snowfall is December, when snow falls for 5.7 days and typically aggregates up to 1.34" (34mm) of snow.

How much does it snow in Knightstown in December?

In December, it is snowing for 5.7 days. Throughout December, 1.34" (34mm) of snow is accumulated.

What is the month with the shortest days in Knightstown?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December in Knightstown?

In Knightstown, the average day length in December is 9h and 25min.

When are sunrise and sunset in December in Knightstown?

On the first day of December in Knightstown, sunrise is at 7:44 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:27 pm EST.

How many hours of sunshine does Knightstown have in December?

In Knightstown, the average sunshine duration in December is 4h.

When is the lowest UV index in Knightstown?

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

How high is the UV index in December in Knightstown?

In December, the average daily maximum UV index in Knightstown is 1. A UV Index of 2, and less, symbolizes a low health risk 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
Knightstown, IN

Average temperature in December - Knightstown, IN
  • Average high temperature in December: 38.3°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 (32.9°F).

  • Average low temperature in December: 28.4°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure in December
Knightstown, IN

Average pressure in December - Knightstown, IN
  • Average pressure in December: 30.12"Hg

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Knightstown, IN

Average wind speed in December - Knightstown, IN
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in December
Knightstown, IN

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

The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Knightstown, IN

Average rainfall in December - Knightstown, IN
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days in December
Knightstown, IN

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

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (5.9 days).

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Average snowfall in December
Knightstown, IN

Average snowfall in December - Knightstown, IN
  • Average snowfall in December: 1.34"

The month with the highest snowfall is December (1.34").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Knightstown, IN

Average snowfall days in December - Knightstown, IN
  • Average snowfall days in December: 5.7 days

The month with the highest number of snowfall days is January (7.6 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
Knightstown, IN

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

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 24min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in December
Knightstown, IN

Average sunshine days in December - Knightstown, IN
  • Average sunshine days in December: 18.9 days

The months with the most sunshine days are October and November (19.8 days).
The month with the least sunshine days is May (13.1 days).

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Average UV index in December
Knightstown, IN

Average UV index in December - Knightstown, 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
Knightstown, IN

Average cloud cover in December - Knightstown, IN
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in December
Knightstown, IN

Average visibility in December - Knightstown, 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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Knightstown, Indiana, USA

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