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
The onset of December comes with a shift in the average high-temperature, falling from a fresh 51.6°F (10.9°C) in November to a wintry 41.9°F (5.5°C). In the month of December, an average of 31.1°F (-0.5°C) marks the low-temperature.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 81%.Rainfall
In West Union, in December, it is raining for 10.7 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 146.7 rainfall days, and 20.12" (511mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In West Union, Ohio, during December, snow falls for 6.4 days and regularly aggregates up to 1.26" (32mm) of snow. Throughout the year, there are 29 snowfall days, and 6.81" (173mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:34 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:22 pm EST.
Sunshine
In West Union, Ohio, the average sunshine in December is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What are the most humid months?
What is the average humidity in December?
How many days 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 many hours of sunshine does West Union have in December?
When is the lowest UV index in West Union?
How high is the UV index in December?
Average temperature in December
West Union, OH
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in December
West Union, 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 (29.95"Hg).
Average wind speed in December
West Union, OH
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
West Union, OH
- Average humidity in December: 81%
The months with the highest relative humidity are January, February and December (81%).
The months with the lowest relative humidity are April, August, September, October and November (76%).
Average rainfall in December
West Union, OH
- Average rainfall in December: 1.73"
The wettest months (with the highest rainfall) are April and May (2.24").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in December
West Union, OH
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in December
West Union, OH
- Average snowfall in December: 1.26"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
West Union, OH
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Union, OH
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
West Union, OH
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in December
West Union, OH
- Average UV index in December: 2
The months with the highest UV index are 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
West Union, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
West Union, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
West Union, Ohio, USA
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