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's onset brings a negligible change in high-temperatures, falling from a pleasant 68°F (20°C) in November to a moderate 60.3°F (15.7°C). December nights in Mountain City observe an average temperature dip to a frosty 45.1°F (7.3°C).Humidity
The average relative humidity in December in Mountain City is 72%.Rainfall
In Mountain City, during December, the rain falls for 9.6 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Mountain City, during the entire year, the rain falls for 140.4 days and collects up to 19.37" (492mm) of precipitation.Snowfall
Months with snowfall are January and December. December is the first month it typically snows in Mountain City. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Mountain City, there are 0.8 snowfall days, and 0.16" (4mm) of snow is accumulated.Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year in Mountain City, Texas.On the first day of the month, sunrise is at 7:10 am and sunset at 5:31 pm. On the last day of December, in Mountain City, sunrise is at 7:27 am and sunset at 5:42 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.1h of sunshine.UV index
December is the month with the lowest UV index in Mountain City, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are December temperatures in Mountain City?
What is the average humidity in December in Mountain City?
How many days does it rain in December in Mountain City?
When does it start to snow in Mountain City?
What is the month with the shortest days in Mountain City?
What is the average length of the day in December in Mountain City?
When are sunrise and sunset in December in Mountain City?
What is the month with the least sunshine in Mountain City?
How long on average sun shines in December in Mountain City?
When is the lowest UV index in Mountain City?
How high is the UV index in December in Mountain City?
Average temperature in December
Mountain City, TX
- Average high temperature in December: 60.3°F
The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in December: 45.1°F
The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).
Average pressure in December
Mountain City, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.91"Hg).
Average wind speed in December
Mountain City, TX
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are February and March (9.1mph).
The calmest month (with the lowest average wind speed) is September (6.1mph).
Average humidity in December
Mountain City, TX
- Average humidity in December: 72%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Mountain City, TX
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is May (3.58").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in December
Mountain City, TX
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is September (16.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Mountain City, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Mountain City, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Mountain City, TX
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Mountain City, TX
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (20.2 days).
The months with the least sunshine days are May and June (11.5 days).
Average UV index in December
Mountain City, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Mountain City, TX
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Mountain City, TX
- 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 City, Texas, USA
Weather forecast for your location
2. Allow the app to use your location
