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
With December's onset, the weather shows a temperature decrease, transitioning from a frosty 47.1°F (8.4°C) in November to a cold 36.5°F (2.5°C). In Rocky Ridge, the nighttime temperature shows a slight difference from the daytime high, averaging to a subzero cold 29.1°F (-1.6°C) during December.Humidity
In Rocky Ridge, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 10.3 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. In Rocky Ridge, during the entire year, the rain falls for 163.9 days and collects up to 30.63" (778mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Rocky Ridge, Ohio, in December, during 11.1 snowfall days, 2.52" (64mm) of snow is typically accumulated. Throughout the year, there are 50.8 snowfall days, and 12.8" (325mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:40 am and sunset at 5:03 pm. On the last day of December, sunrise is at 7:59 am and sunset at 5:13 pm EST.
Sunshine
The average sunshine in December is 3.6h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Rocky Ridge?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Rocky Ridge, OH
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Rocky Ridge, OH
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Rocky Ridge, OH
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Rocky Ridge, OH
- Average humidity in December: 81%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Rocky Ridge, OH
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in December
Rocky Ridge, OH
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Rocky Ridge, OH
- Average snowfall in December: 2.52"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Rocky Ridge, OH
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Rocky Ridge, OH
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Rocky Ridge, OH
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Rocky Ridge, OH
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Rocky Ridge, OH
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Rocky Ridge, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Rocky Ridge, Ohio, USA
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