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
As Mountain Grove enters December, the average high-temperature subtly lowers from the a moderate 60.1°F (15.6°C) of November to a cool 52.9°F (11.6°C). In the month of December, Mountain Grove's average low-temperature falls to a cold 38.3°F (3.5°C).Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
The month with the most rainfall in Mountain Grove, Alabama, is December, when the rain falls for 13.1 days and typically aggregates up to 4.21" (107mm) of precipitation.Snowfall
Months with snowfall in Mountain Grove are January through March, November and December. In December, in Mountain Grove, it is snowing for 0.6 days. Throughout December, 0.35" (9mm) of snow is accumulated. In Mountain Grove, during the entire year, snow falls for 4.8 days and aggregates up to 1.65" (42mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 6:34 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 4:47 pm CST.
Sunshine
In December, the average sunshine in Mountain Grove is 4.7h.UV index
The months with the lowest UV index in Mountain Grove are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the usual temperature for Mountain Grove in December?
What is the most humid month in Mountain Grove?
What is the average humidity in December in Mountain Grove?
What is the rainiest month in Mountain Grove?
How much does it rain in Mountain Grove in December?
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?
What is the UV index reading in December in Mountain Grove?
Average temperature in December
Mountain Grove, AL
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in December
Mountain Grove, AL
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Mountain Grove, AL
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Mountain Grove, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Mountain Grove, AL
- Average rainfall in December: 4.21"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is October (2.32").
Average rainfall days in December
Mountain Grove, AL
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Mountain Grove, AL
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mountain Grove, AL
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Mountain Grove, AL
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Mountain Grove, AL
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in December
Mountain Grove, AL
- 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 and December (UV index 2).
Average cloud cover in December
Mountain Grove, AL
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Mountain Grove, AL
- 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).
Mountain Grove, Alabama, USA
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