December weather forecastBlue Rock, OH
December
Weather in December
The first month of the winter, December, is also an icy month in Blue Rock, Ohio, with an average temperature fluctuating between 40.3°F (4.6°C) and 29.3°F (-1.5°C).Temperature
A subtle decrease in the average high-temperature marks December, falling from November's fresh 50°F (10°C) to an icy 40.3°F (4.6°C). Blue Rock throughout December, experiences an average nighttime temperature of 29.3°F (-1.5°C).Humidity
In December, the average relative humidity in Blue Rock is 82%.Rainfall
In Blue Rock, in December, during 11.5 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Blue Rock, there are 164.3 rainfall days, and 29.65" (753mm) of precipitation is accumulated.Snowfall
Months with snowfall in Blue Rock, Ohio, 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. Throughout the year, in Blue Rock, there are 45.6 snowfall days, and 13.66" (347mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Blue Rock.On the first day of December in Blue Rock, sunrise is at 7:30 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:13 pm EST.
Sunshine
In Blue Rock, Ohio, the average sunshine in December is 3.9h.UV index
The months with the lowest UV index in Blue Rock are January, February, November and December, with an average maximum UV index of 2. 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 maximum daily UV index of 2 in December interprets into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in December /
Average sunshine in December
Blue Rock, OH
- Average daylight in December: 9h and 24min
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 24min).
- 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).
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).
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).
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).
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).
