December weather forecast
Big Rock, OH

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Weather in December

The first month of the winter, December, is also a wintry month in Big Rock, Ohio, with an average temperature varying between 30.9°F (-0.6°C) and 41.9°F (5.5°C).

Temperature

The start of December comes with a reduction in the average high-temperature, receding from a cool 51.6°F (10.9°C) in November to a wintry 41.9°F (5.5°C). During December, the temperature in Big Rock, Ohio, tends to dip to an average of 30.9°F (-0.6°C) at night.

Humidity

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

Rainfall

In Big Rock, in December, it is raining for 11.2 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, there are 161.8 rainfall days, and 30.83" (783mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Big Rock. In Big Rock, Ohio, in December, during 7.8 snowfall days, 2.01" (51mm) of snow is typically accumulated. Throughout the year, in Big Rock, Ohio, there are 35.8 snowfall days, and 12.28" (312mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:31 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:18 pm EST.

Sunshine

In December, the average sunshine in Big Rock is 4h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Big Rock. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

Is December cold in Big Rock?

The high-temperature, in December, in Big Rock, is 41.9°F (5.5°C), while the low-temperature averages to 30.9°F (-0.6°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 93.2°F (34°C).

What is the most humid month in Big Rock?

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

What is the average humidity in December in Big Rock?

The average relative humidity in December in Big Rock is 82%.

How many days does it rain in December in Big Rock?

In Big Rock, Ohio, during December, the rain falls for 11.2 days and regularly aggregates up to 2.95" (75mm) of precipitation.

How much does it snow in Big Rock in December?

In December, in Big Rock, Ohio, it is snowing for 7.8 days. Throughout December, 2.01" (51mm) of snow is accumulated.

What is the month with the shortest days in Big Rock?

The month with the shortest days in Big Rock, Ohio, is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Big Rock?

The average day length in December in Big Rock is 9h and 29min.

When is the sunrise / sunset in December in Big Rock?

On the first day of December in Big Rock, sunrise is at 7:31 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:18 pm EST.

How long on average sun shines in December in Big Rock?

The average sunshine duration in December in Big Rock, Ohio, is 4h.

When is the lowest UV index in Big Rock?

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

What is the UV index intensity in December in Big Rock?

The average daily maximum UV index in December in Big Rock, Ohio, is 2. A UV Index estimate of 2, and below, represents 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
Big Rock, OH

Average temperature in December - Big Rock, OH
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in December
Big Rock, OH

Average pressure in December - Big Rock, OH
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in December
Big Rock, OH

Average wind speed in December - Big Rock, OH
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in December
Big Rock, OH

Average humidity in December - Big Rock, OH
  • Average humidity in December: 82%

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

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Average rainfall in December
Big Rock, OH

Average rainfall in December - Big Rock, OH
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is October (1.97").

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Average rainfall days in December
Big Rock, OH

Average rainfall days in December - Big Rock, OH
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in December
Big Rock, OH

Average snowfall in December - Big Rock, OH
  • Average snowfall in December: 2.01"

The month with the highest snowfall is January (3.39").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Big Rock, OH

Average snowfall days in December - Big Rock, OH
  • Average snowfall days in December: 7.8 days

The month with the highest number of snowfall days is January (10.3 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
Big Rock, OH

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

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 30min).

  • Average sunshine in December: 4h and 0min

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 36min).

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Average sunshine days in December
Big Rock, OH

Average sunshine days in December - Big Rock, OH
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index in December
Big Rock, OH

Average UV index in December - Big Rock, 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, November and December (UV index 2).

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Average cloud cover in December
Big Rock, OH

Average cloud cover in December - Big Rock, OH
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Big Rock, OH

Average visibility in December - Big Rock, OH
  • Average visibility in December: 5mi

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

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Big Rock, Ohio, USA

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