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
In Rolling Hills, entering December brings a temperature decrement, reducing from November's fresh 50.9°F (10.5°C) to a wintry 41.5°F (5.3°C). Rolling Hills's average low-temperature in December is measured at a freezing cold 30.2°F (-1°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Rolling Hills, in December, it is raining for 11.5 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 163.3 rainfall days, and 27.95" (710mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rolling Hills, in December, during 8.7 snowfall days, 1.93" (49mm) of snow is typically accumulated. In Rolling Hills, during the entire year, snow falls for 40.3 days and aggregates up to 12.95" (329mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:29 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:15 pm EST.
Sunshine
In Rolling Hills, 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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Rolling Hills have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Rolling Hills have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Rolling Hills, OH
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Rolling Hills, OH
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Rolling Hills, OH
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Rolling Hills, OH
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Rolling Hills, OH
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Rolling Hills, OH
- Average rainfall days in December: 11.5 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
Rolling Hills, OH
- Average snowfall in December: 1.93"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rolling Hills, OH
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rolling Hills, 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 18min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Rolling Hills, OH
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Rolling Hills, 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
Rolling Hills, OH
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Rolling Hills, OH
- Average visibility in December: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
Rolling Hills, Ohio, USA
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