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 implies a gentle temperature shift, with average high-temperatures reducing from November's fresh 54.3°F (12.4°C) to a frosty 44.2°F (6.8°C). Throughout December nights, Mountain Grove registers an average low-temperature of 30.2°F (-1°C).Humidity
In December, the average relative humidity in Mountain Grove is 77%.Rainfall
In Mountain Grove, in December, it is raining for 8.8 days, with typically 2.01" (51mm) of accumulated precipitation. In Mountain Grove, during the entire year, the rain falls for 154.1 days and collects up to 32.83" (834mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Mountain Grove, during December, snow falls for 2.5 days and regularly aggregates up to 0.63" (16mm) of snow. Throughout the year, there are 15.4 snowfall days, and 6.61" (168mm) of snow is accumulated.Daylight
December has the shortest days of the year in Mountain Grove, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:04 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:02 pm CST.
Sunshine
The average sunshine in December in Mountain Grove is 5.3h.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 of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Mountain Grove in December?
What is the average humidity in December in Mountain Grove?
How many days does it rain in December in Mountain Grove?
How many days does it snow in December in Mountain Grove?
What is the month with the shortest days in Mountain Grove?
What is the average length of the day in December in Mountain Grove?
When are sunrise and sunset in December in Mountain Grove?
How many hours of sunshine does Mountain Grove have in December?
What are the months with the lowest UV index in Mountain Grove?
How high is the UV index in December in Mountain Grove?
Average temperature in December
Mountain Grove, MO
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Mountain Grove, 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
Mountain Grove, MO
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in December
Mountain Grove, MO
- Average humidity in December: 77%
The months with the highest relative humidity are March and May (79%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in December
Mountain Grove, MO
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in December
Mountain Grove, MO
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Mountain Grove, MO
- Average snowfall in December: 0.63"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Mountain Grove, MO
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Mountain Grove, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Mountain Grove, MO
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is August (11.5 days).
Average UV index in December
Mountain Grove, 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
Mountain Grove, MO
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 30).
Average visibility in December
Mountain Grove, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Mountain Grove, Missouri, USA
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