Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A moderate decline in the average high-temperature is seen during December, decreasing from a cool 51.6°F (10.9°C) in November to an icy 41.9°F (5.5°C). Big Rock's December nights cool down to an average low-temperature of 30.9°F (-0.6°C).Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 82%.Rainfall
In Big Rock, Ohio, 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
Months with snowfall are January through April, October through December. In December, in Big Rock, it is snowing for 7.8 days. Throughout December, 2.01" (51mm) of snow is accumulated. Throughout the year, there are 35.8 snowfall days, and 12.28" (312mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:31 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:50 am and sunset at 5:18 pm EST.
Sunshine
In Big Rock, the average sunshine in December is 4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in Big Rock in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Big Rock have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Big Rock, Ohio, USA
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