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
As December commences, the average high-temperature shows a reduction, transitioning from a cool 50°F (10°C) in November to a wintry 40.3°F (4.6°C). The low-temperature averages to a subzero cold 29.1°F (-1.6°C) during the nights of December.Humidity
In December, the average relative humidity is 83%.Rainfall
In Graysville, Ohio, in December, during 13.6 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Graysville, during the entire year, the rain falls for 184.1 days and collects up to 33.58" (853mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Graysville, during December, snow falls for 11.3 days and regularly aggregates up to 3.39" (86mm) of snow. Throughout the year, there are 52.8 snowfall days, and 19.45" (494mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December in Graysville, sunrise is at 7:27 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:10 pm EST.
Sunshine
In Graysville, the average sunshine in December is 3.6h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Graysville. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Graysville in December?
What is the average humidity in December in Graysville?
How much does it rain in Graysville in December?
How much does it snow in Graysville in December?
What is the month with the shortest days in Graysville?
What is the average length of the day in December in Graysville?
When is the sunrise / sunset in December in Graysville?
How many hours of sunshine does Graysville have in December?
When is the lowest UV index in Graysville?
What is the UV index intensity in December in Graysville?
Average temperature in December
Graysville, 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 (34.5°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Graysville, 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
Graysville, OH
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Graysville, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in December
Graysville, OH
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in December
Graysville, OH
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in December
Graysville, OH
- Average snowfall in December: 3.39"
The month with the highest snowfall is January (5.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Graysville, OH
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Graysville, OH
- Average daylight in December: 9h and 2min
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 4min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Graysville, OH
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is November (15.9 days).
The month with the least sunshine days is January (7.7 days).
Average UV index in December
Graysville, OH
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Graysville, OH
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Graysville, OH
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Graysville, Ohio, USA
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