December weather forecast
Blue Rock, OH

Weather in December

The first month of the winter, December, is still a cold month in Blue Rock, Ohio, with an average temperature fluctuating between 29.3°F (-1.5°C) and 40.3°F (4.6°C).

Temperature

In December, the average high-temperature drops from a fresh 50°F (10°C) in November to a wintry 40.3°F (4.6°C). The average low-temperature, in December, is 29.3°F (-1.5°C).

Humidity

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

Rainfall

In Blue Rock, it is raining for 11.5 days, with typically 2.36" (60mm) of accumulated precipitation. In Blue Rock, Ohio, during the entire year, the rain falls for 164.3 days and collects up to 29.65" (753mm) of precipitation.

Snowfall

Months with snowfall in Blue Rock are January through April, November and December. In December, in Blue Rock, it is snowing for 9.5 days. Throughout December, 2.01" (51mm) of snow is accumulated. In Blue Rock, Ohio, during the entire year, snow falls for 45.6 days and aggregates up to 13.66" (347mm) of snow.

Daylight

December has the shortest days of the year in Blue Rock, with an average of 9h and 25min of daylight.
On the first day of December in Blue Rock, Ohio, sunrise is at 7:29 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:12 pm EST.

Sunshine

In Blue Rock, the average sunshine in December is 3.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Blue Rock?

In Blue Rock, the average relative humidity in December is 82%.

How much does it rain in Blue Rock in December?

In Blue Rock, Ohio, in December, during 11.5 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

How much does it snow in Blue Rock in December?

In Blue Rock, in December, during 9.5 snowfall days, 2.01" (51mm) of snow is typically accumulated.

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

With an average of 9h and 25min of daylight, December has the shortest days of the year in Blue Rock, Ohio.

How many hours of daylight does Blue Rock have in December?

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

When are sunrise and sunset in December in Blue Rock?

In December, on the first day of the month, sunrise is at 7:29 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:12 pm EST.

How many hours of sunshine does Blue Rock have in December?

In December, the average sunshine duration in Blue Rock is 3.9h.

What are the months with the lowest UV index in Blue 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 reading in December in Blue Rock?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's 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
Blue Rock, OH

Average temperature in December - Blue Rock, OH
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

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Average pressure in December
Blue Rock, OH

Average pressure in December - Blue Rock, OH
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
Blue Rock, OH

Average wind speed in December - Blue Rock, OH
  • Average wind speed in December: 7.4mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in December
Blue Rock, OH

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

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in December
Blue Rock, OH

Average rainfall in December - Blue Rock, OH
  • Average rainfall in December: 2.36"

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in December
Blue Rock, OH

Average rainfall days in December - Blue Rock, OH
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in December
Blue Rock, OH

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

The month with the highest snowfall is February (4.02").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Blue Rock, OH

Average snowfall days in December - Blue Rock, OH
  • Average snowfall days in December: 9.5 days

The month with the highest number of snowfall days is January (13.5 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
Blue Rock, OH

Average daylight in December / Average sunshine in December - Blue Rock, OH
  • Average daylight in December: 9h and 25min

The month with the longest days is June (Average daylight: 14h and 57min).
The month with the shortest days is December (Average daylight: 9h and 25min).

  • Average sunshine in December: 3h and 54min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in December
Blue Rock, OH

Average sunshine days in December - Blue Rock, OH
  • Average sunshine days in December: 13 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (10.1 days).

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Average UV index in December
Blue Rock, OH

Average UV index in December - Blue Rock, OH
  • Average UV index in December: 2

The months with the highest UV index are June and July (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
Blue Rock, OH

Average cloud cover in December - Blue Rock, OH
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in December
Blue Rock, OH

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

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

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