December weather forecast
Coal Grove, OH

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Weather in December

December, the first month of the winter in Coal Grove, is also a frosty month, with an average temperature fluctuating between 32°F (0°C) and 43.7°F (6.5°C).

Temperature

Transition into December marks a drop in the average high-temperature, moving from a fresh 53.1°F (11.7°C) in November to a frosty 43.7°F (6.5°C). An average low-temperature of 32°F (0°C) is recorded in the month of December.

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 81%.

Rainfall

In December, the rain falls for 11.5 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 146.5 rainfall days, and 19.65" (499mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In December, it is snowing for 6.5 days. Throughout December, 1.46" (37mm) of snow is accumulated. Throughout the year, there are 32.7 snowfall days, and 7.56" (192mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:29 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:19 pm EST.

Sunshine

In Coal Grove, the average sunshine in December is 4.1h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 2 in December translates into these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

Is December cold?

In Coal Grove, 43.7°F (6.5°C) is the average high-temperature and 32°F (0°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 96.8°F (36°C).

What are the most humid months?

The months with the highest humidity are February and December, with an average relative humidity of 81%.

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in December?

In December, the rain falls for 11.5 days. Throughout December, 1.85" (47mm) of precipitation is accumulated.

How much does it snow in December?

In Coal Grove, during December, snow falls for 6.5 days and regularly aggregates up to 1.46" (37mm) of snow.

What is the month with the shortest days in Coal Grove?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Coal Grove, the average day length in December is 9h and 32min.

When is the sunrise / sunset in December?

On the first day of December in Coal Grove, sunrise is at 7:29 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:19 pm EST.

How many hours of sunshine does Coal Grove have in December?

In December, the average sunshine duration is 4.1h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

What is the UV index intensity in December?

The average daily maximum UV index in December in Coal Grove is 2. A UV Index reading of 2, and below, represents a low health threat 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
Coal Grove, OH

Average temperature in December - Coal Grove, OH
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 32°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 (25.2°F).

Average pressure in December
Coal Grove, OH

Average pressure in December - Coal Grove, OH
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Coal Grove, OH

Average wind speed in December - Coal Grove, OH
  • Average wind speed in December: 6.5mph

The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
Coal Grove, OH

Average humidity in December - Coal Grove, OH
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (74%).

Average rainfall in December
Coal Grove, OH

Average rainfall in December - Coal Grove, OH
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (1.06").

Average rainfall days in December
Coal Grove, OH

Average rainfall days in December - Coal Grove, OH
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is November (8.4 days).

Average snowfall in December
Coal Grove, OH

Average snowfall in December - Coal Grove, OH
  • Average snowfall in December: 1.46"

The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Coal Grove, OH

Average snowfall days in December - Coal Grove, OH
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Coal Grove, OH

Average daylight in December / Average sunshine in December - Coal Grove, OH
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in December
Coal Grove, OH

Average sunshine days in December - Coal Grove, OH
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is February (11.1 days).

Average UV index in December
Coal Grove, OH

Average UV index in December - Coal Grove, OH
  • Average UV index in December: 2

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

Average cloud cover in December
Coal Grove, OH

Average cloud cover in December - Coal Grove, 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 31).

Average visibility in December
Coal Grove, OH

Average visibility in December - Coal Grove, OH
  • Average visibility in December: 5mi

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

Coal Grove, Ohio, USA

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