December weather forecast and climate
Clarksville, OH

The first month of the winter, December, is also a wintry month in Clarksville, Ohio, with temperature in the range of an average low of 29.5°F (-1.4°C) and an average high of 40.6°F (4.8°C).

Temperature

In Clarksville, Ohio, the average high-temperature decreases, from a fresh 50.7°F (10.4°C) in November, to a wintry 40.6°F (4.8°C). The average low-temperature, in Clarksville, is 29.5°F (-1.4°C).

Humidity

Months with the highest humidity in Clarksville are January, February and December, with an average relative humidity of 82%.

Rainfall

In December, the rain falls for 9.8 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. In Clarksville, during the entire year, the rain falls for 139.1 days and collects up to 16.38" (416mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Clarksville, in December, during 7.6 snowfall days, 0.83" (21mm) of snow is typically accumulated. In Clarksville, Ohio, during the entire year, snow falls for 33.4 days, and aggregates up to 5.47" (139mm) of snow.

Daylight

With an average of 9.4h of daylight, December has the shortest days of the year.

Sunshine

The average sunshine in December is 4.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Clarksville, Ohio. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Clarksville?

In December, in Clarksville, the average high-temperature is 40.6°F (4.8°C), and the average low-temperature is 29.5°F (-1.4°C).

What are the most humid months in Clarksville?

January, February and December, with an average relative humidity of 82%, are most humid months.

What is the average humidity in December in Clarksville?

In December, the average relative humidity in Clarksville, Ohio, is 82%.

How many days does it rain in December in Clarksville?

In Clarksville, in December, during 9.8 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

How much does it snow in Clarksville in December?

In December, in Clarksville, it is snowing for 7.6 days. Throughout December, 0.83" (21mm) of snow is accumulated.

What is the month with the shortest days in Clarksville?

December has the shortest days of the year in Clarksville, Ohio, with an average of 9.4h of daylight.

How many hours of daylight does Clarksville have in December?

In Clarksville, the average length of the day in December is 9.4h.

How many hours of sunshine does Clarksville have in December?

The average sunshine in December in Clarksville, Ohio, is 4.1h.

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

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Clarksville, Ohio.

What is the UV index reading in December in Clarksville?

In Clarksville, Ohio, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in December - Clarksville, OH
  • Average high temperature in December: 4.8°C

The warmest month (with the highest average high temperature) is July (27.9°C).
The month with the lowest average high temperature is January (1.4°C).

  • Average low temperature in December: -1.4°C

The month with the highest average low temperature is July (18.2°C).
The coldest month (with the lowest average low temperature) is January (-5.2°C).

Average pressure in December - Clarksville, OH
  • Average pressure in December: 1020.3mbar

Months with the highest atmospheric pressure are January and November (1020.7mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).

Average wind speed in December - Clarksville, OH
  • Average wind speed in December: 14.5km/h

The windiest month (with the highest average wind speed) is January (15.7km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).

Average humidity in December - Clarksville, OH
  • Average humidity in December: 82%

Months with the highest relative humidity are January, February and December (82%).
The month with the lowest relative humidity is October (75%).

Average rainfall in December - Clarksville, OH
  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is September (22mm).

Average rainfall days in December - Clarksville, OH
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December - Clarksville, OH
  • Average snowfall in December: 21mm

The month with the highest snowfall is February (34mm).
Months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December - Clarksville, OH
  • Average snowfall days in December: 7.6 days

The month with the highest number of snowfall days is January (9.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Clarksville, OH
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 4.1h

Months with the most sunshine are June and August (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3.7h).

Average sunshine days in December - Clarksville, OH
  • Average sunshine days in December: 16.1 days

Months with the most sunshine days are October and November (19 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in December - Clarksville, OH
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December - Clarksville, OH
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December - Clarksville, OH
  • Average visibility in December: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).