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 December arrives, Flower Mound's weather displays a decrease in high-temperatures, transitioning from November's enjoyable 64.6°F (18.1°C) to a still refreshing 55.4°F (13°C). December brings an average low-temperature of 41.2°F (5.1°C) to Flower Mound.Humidity
The average relative humidity in December in Flower Mound is 67%.Rainfall
In December, the rain falls for 6.6 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. In Flower Mound, during the entire year, the rain falls for 123.4 days and collects up to 24.45" (621mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Flower Mound, Texas. Throughout December, in the average 0.5 snowfall days, it receives 0.04" (1mm) of snow. In Flower Mound, during the entire year, snow falls for 2.1 days and aggregates up to 0.63" (16mm) of snow.Daylight
December has the shortest days of the year in Flower Mound, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 5:21 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:32 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.7h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Flower Mound. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What is the temperature in December in Flower Mound?
What is the average humidity in December in Flower Mound?
How many days does it rain in December in Flower Mound?
When does it start to snow in Flower Mound?
What is the month with the shortest days in Flower Mound?
How many hours of daylight does Flower Mound have in December?
When is the sunrise / sunset in December in Flower Mound?
What is the month with the least sunshine in Flower Mound?
How long on average sun shines in December in Flower Mound?
What are the months with the lowest UV index in Flower Mound?
What is the UV index reading in December in Flower Mound?
Average temperature in December
Flower Mound, TX
- Average high temperature in December: 55.4°F
The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (54.5°F).
- Average low temperature in December: 41.2°F
The months with the highest average low temperature are July and August (76.6°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Flower Mound, TX
- 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 (29.9"Hg).
Average wind speed in December
Flower Mound, TX
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in December
Flower Mound, TX
- Average humidity in December: 67%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).
Average rainfall in December
Flower Mound, TX
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in December
Flower Mound, TX
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Flower Mound, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Flower Mound, TX
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Flower Mound, TX
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Flower Mound, TX
- Average sunshine days in December: 22.8 days
The month with the most sunshine days is January (24.6 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in December
Flower Mound, TX
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Flower Mound, TX
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Flower Mound, 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).
Flower Mound, Texas, USA
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