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
A decrease in the average high-temperature is observed during December, shifting from a cool 53.6°F (12°C) in November to a chilly 43.2°F (6.2°C). December nights in Vienna are marked by an average temperature drop to a subzero cold 29.3°F (-1.5°C).Humidity
In Vienna, Missouri, the average relative humidity in December is 76%.Rainfall
In Vienna, during December, the rain falls for 7 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 147.2 rainfall days, and 31.02" (788mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Vienna. In December, it is snowing for 5 days. Throughout December, 2.28" (58mm) of snow is accumulated. In Vienna, during the entire year, snow falls for 24.7 days and aggregates up to 11.1" (282mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Vienna.On the first day of the month, sunrise is at 7:06 am and sunset at 4:48 pm. On the last day of December, in Vienna, sunrise is at 7:24 am and sunset at 4:58 pm CST.
Sunshine
In Vienna, the average sunshine in December is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Vienna. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold is December in Vienna?
What is the average humidity in December in Vienna?
How much does it rain in Vienna in December?
How many days does it snow in December in Vienna?
What is the month with the shortest days in Vienna?
What is the average length of the day in December in Vienna?
When are sunrise and sunset in December in Vienna?
How many hours of sunshine does Vienna have in December?
When is the lowest UV index in Vienna?
What is the UV index intensity in December in Vienna?
Average temperature in December
Vienna, MO
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in December
Vienna, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Vienna, MO
- Average wind speed in December: 8.3mph
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 (5.5mph).
Average humidity in December
Vienna, MO
- Average humidity in December: 76%
The months with the highest relative humidity are March and May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Vienna, MO
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in December
Vienna, MO
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is December (7 days).
Average snowfall in December
Vienna, MO
- Average snowfall in December: 2.28"
The month with the highest snowfall is February (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Vienna, MO
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Vienna, MO
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Vienna, MO
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in December
Vienna, MO
- Average UV index in December: 2
The months with the highest UV index are May, 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
Vienna, MO
- Average cloud cover in December: 47
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Vienna, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Vienna, Missouri, USA
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