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 Unionville, the beginning of December is marked by a lowered average high-temperature, shifting from November's frosty 48.7°F (9.3°C) to a wintry 36.1°F (2.3°C). Unionville, in December, witnesses an average low-temperature of 23.9°F (-4.5°C).Humidity
In Unionville, the average relative humidity in December is 79%.Rainfall
In Unionville, Missouri, in December, during 6 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, in Unionville, there are 130.9 rainfall days, and 24.65" (626mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Unionville. In Unionville, in December, snow falls for 5.3 days, with typically accumulated 1.3" (33mm) of snow. In Unionville, during the entire year, snow falls for 28.3 days and aggregates up to 13.9" (353mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:16 am and sunset at 4:45 pm. On the last day of December, in Unionville, sunrise is at 7:35 am and sunset at 4:55 pm CST.
Sunshine
In Unionville, the average sunshine in December is 4.6h.UV index
The average daily maximum UV index in December in Unionville is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. 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 is it in Unionville in December?
What is the average humidity in December in Unionville?
How much does it rain in Unionville in December?
How many days does it snow in December in Unionville?
What is the month with the shortest days in Unionville?
What is the average length of the day in December in Unionville?
When are sunrise and sunset in December in Unionville?
How many hours of sunshine does Unionville have in December?
What is the UV index intensity in December in Unionville?
Average temperature in December
Unionville, MO
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Unionville, MO
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Unionville, MO
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Unionville, MO
- Average humidity in December: 79%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Unionville, MO
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in December
Unionville, MO
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is May (16.8 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in December
Unionville, MO
- Average snowfall in December: 1.3"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Unionville, MO
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Unionville, MO
- 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 18min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Unionville, MO
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Unionville, MO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Unionville, MO
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in December
Unionville, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Unionville, Missouri, USA
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