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 December, the average high-temperature decreases from a frosty 48.9°F (9.4°C) in November to a cold 39°F (3.9°C). The nighttime temperature in Unionvale, during December, averages of 28°F (-2.2°C).Humidity
In Unionvale, Ohio, the average relative humidity in December is 83%.Rainfall
In December, the rain falls for 12 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. In Unionvale, during the entire year, the rain falls for 175.9 days and collects up to 32.95" (837mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Unionvale. In Unionvale, Ohio, during December, snow falls for 12.4 days and regularly aggregates up to 4.41" (112mm) of snow. Throughout the year, there are 60.8 snowfall days, and 23.31" (592mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:27 am and sunset at 4:58 pm. On the last day of December, in Unionvale, sunrise is at 7:46 am and sunset at 5:07 pm EST.
Sunshine
The average sunshine in December is 3.5h.UV index
The month with the lowest UV index in Unionvale is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the UV index of 1 transforms into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
How cold is it in Unionvale in December?
What is the average humidity in December in Unionvale?
How much does it rain in Unionvale in December?
How many days does it snow in December in Unionvale?
What is the month with the shortest days in Unionvale?
What is the average length of the day in December in Unionvale?
When is the sunrise / sunset in December in Unionvale?
How many hours of sunshine does Unionvale have in December?
What is the month with the lowest UV index in Unionvale?
How high is the UV index in December in Unionvale?
Average temperature in December
Unionvale, OH
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Unionvale, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Unionvale, OH
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Unionvale, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Unionvale, OH
- Average rainfall in December: 2.83"
The wettest months (with the highest rainfall) are April and May (3.19").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Unionvale, OH
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in December
Unionvale, OH
- Average snowfall in December: 4.41"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Unionvale, OH
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Unionvale, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Unionvale, OH
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in December
Unionvale, 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
Unionvale, OH
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Unionvale, 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).
Unionvale, Ohio, USA
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