December weather forecastBrock, OH
December
Weather in December
The first month of the winter, December, is also an icy month in Brock, Ohio, with an average temperature fluctuating between 27.5°F (-2.5°C) and 37.8°F (3.2°C).Temperature
Brock's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 48.4°F (9.1°C) to a wintry 37.8°F (3.2°C). In December, the temperature in Brock, Ohio, drops to an average of 27.5°F (-2.5°C) at night.Humidity
In December, the average relative humidity in Brock is 83%.Rainfall
In Brock, during December, the rain falls for 9.1 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, in Brock, there are 147.8 rainfall days, and 21.3" (541mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Brock, in December, snow falls for 6.5 days, with typically accumulated 1.22" (31mm) of snow. Throughout the year, there are 30.2 snowfall days, and 7.01" (178mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Brock.On the first day of December, sunrise is at 7:42 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:22 pm EST.
Sunshine
In December, the average sunshine in Brock is 4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Brock, OH
- Average high temperature in December: 37.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Brock, OH
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Brock, OH
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Brock, OH
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Brock, OH
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in December
Brock, OH
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in December
Brock, OH
- Average snowfall in December: 1.22"
The months with the highest snowfall are January and February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Brock, OH
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brock, OH
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Brock, OH
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in December
Brock, OH
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Brock, OH
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Brock, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).





