December weather forecast
Clarks, IN

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Weather in December

The first month of the winter, December, is also a wintry month in Clarks, Indiana, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 36°F (2.2°C).

Temperature

The start of December involves a temperature drop, moving from a frosty 47.1°F (8.4°C) in November to a cold 36°F (2.2°C). Clarks's nights throughout December are marked by an average low temperature of 27°F (-2.8°C), a minor drop from the day's high.

Humidity

The average relative humidity in December is 82%.

Rainfall

In December, the rain falls for 9.4 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 156.1 rainfall days, and 22.44" (570mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Clarks are January through May, October through December. In Clarks, during December, snow falls for 10 days and regularly aggregates up to 2.05" (52mm) of snow. Throughout the year, in Clarks, there are 46.9 snowfall days, and 11.89" (302mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:54 am and sunset at 5:19 pm. On the last day of December, sunrise is at 8:12 am and sunset at 5:29 pm EST.

Sunshine

The average sunshine in December in Clarks is 4h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 1 during December leads to these instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Clarks?

An average high-temperature, in December, in Clarks, is 36°F (2.2°C) and the average low-temperature is 27°F (-2.8°C).

What is the average humidity in December in Clarks?

The average relative humidity in December in Clarks, Indiana, is 82%.

How much does it rain in Clarks in December?

In Clarks, in December, during 9.4 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

How much does it snow in Clarks in December?

In Clarks, in December, during 10 snowfall days, 2.05" (52mm) of snow is typically accumulated.

What is the month with the shortest days in Clarks?

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

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

In December, the average day length in Clarks is 9h and 16min.

When is the sunrise / sunset in December in Clarks?

In December, on the first day of the month, sunrise is at 7:54 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 5:29 pm EST.

How many hours of sunshine does Clarks have in December?

In December, the average sunshine duration is 4h.

When is the lowest UV index in Clarks?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Clarks.

What is the UV index reading in December in Clarks?

In Clarks, Indiana, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
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
Clarks, IN

Average temperature in December - Clarks, IN
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in December: 27°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in December
Clarks, IN

Average pressure in December - Clarks, IN
  • Average pressure in December: 30.1"Hg

The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Clarks, IN

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in December
Clarks, IN

Average humidity in December - Clarks, IN
  • Average humidity in December: 82%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Clarks, IN

Average rainfall in December - Clarks, IN
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (1.02").

Average rainfall days in December
Clarks, IN

Average rainfall days in December - Clarks, IN
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in December
Clarks, IN

Average snowfall in December - Clarks, IN
  • Average snowfall in December: 2.05"

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Clarks, IN

Average snowfall days in December - Clarks, IN
  • Average snowfall days in December: 10 days

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Clarks, IN

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 0min

The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in December
Clarks, IN

Average sunshine days in December - Clarks, IN
  • Average sunshine days in December: 14.1 days

The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in December
Clarks, IN

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

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

Average cloud cover in December
Clarks, IN

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

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in December
Clarks, IN

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

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

Clarks, Indiana, USA

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