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 move into December indicates a reduction in the average high-temperature, down from November's cool 54°F (12.2°C) to a chilly 43.3°F (6.3°C). During December, Valles Mines records an average temperature of 30.4°F (-0.9°C) at night.Humidity
The average relative humidity in December is 76%.Rainfall
In Valles Mines, in December, it is raining for 6.5 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, in Valles Mines, there are 124.5 rainfall days, and 16.26" (413mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Valles Mines, Missouri, during December, snow falls for 3.5 days and regularly aggregates up to 0.51" (13mm) of snow. In Valles Mines, during the entire year, snow falls for 16.8 days and aggregates up to 2.95" (75mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:59 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:52 pm CST.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Valles Mines?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Valles Mines, MO
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Valles Mines, 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
Valles Mines, MO
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Valles Mines, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Valles Mines, MO
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in December
Valles Mines, MO
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Valles Mines, MO
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Valles Mines, MO
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (5.6 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
Valles Mines, 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 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Valles Mines, MO
- Average sunshine days in December: 21.6 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Valles Mines, 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 and December (UV index 2).
Average cloud cover in December
Valles Mines, MO
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Valles Mines, 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).
Valles Mines, Missouri, USA
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