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
December comes with a drop in the average high-temperature, falling from November's mild 56.8°F (13.8°C) to a chilly 47.5°F (8.6°C). Throughout December nights, Vastus experiences a consistent temperature average of 35.4°F (1.9°C).Humidity
The average relative humidity in December is 77%.Rainfall
In Vastus, in December, it is raining for 10.2 days, with typically 2.32" (59mm) of accumulated precipitation. In Vastus, during the entire year, the rain falls for 150.2 days and collects up to 35.2" (894mm) of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Vastus, during December, snow falls for 0.9 days and regularly aggregates up to 0.55" (14mm) of snow. Throughout the year, there are 7.3 snowfall days, and 3.66" (93mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:46 pm. On the last day of December, in Vastus, sunrise is at 7:13 am and sunset at 4:56 pm CST.
Sunshine
In Vastus, the average sunshine in December is 5h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average December temperature in Vastus?
What is the average humidity in December in Vastus?
How many days does it rain in December in Vastus?
How much does it snow in Vastus in December?
What is the month with the shortest days in Vastus?
How many hours of daylight does Vastus have in December?
When is the sunrise / sunset in December in Vastus?
How long on average sun shines in December in Vastus?
When is the lowest UV index in Vastus?
What is the UV index reading in December in Vastus?
Average temperature in December
Vastus, MO
- Average high temperature in December: 47.5°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 (43.5°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in December
Vastus, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Vastus, MO
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Vastus, MO
- Average humidity in December: 77%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Vastus, MO
- Average rainfall in December: 2.32"
The wettest months (with the highest rainfall) are April and May (4.37").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Vastus, MO
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Vastus, MO
- Average snowfall in December: 0.55"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Vastus, MO
- Average snowfall days in December: 0.9 days
The months with the highest number of snowfall days are January and February (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Vastus, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Vastus, MO
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in December
Vastus, MO
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Vastus, MO
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in December
Vastus, 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).
Vastus, Missouri, USA
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