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
Sand Flats records a mild change in average high-temperature during December, easing from a refreshing 66.4°F (19.1°C) in November to a moderate 58.3°F (14.6°C). Sand Flats observes an average low-temperature of 43.5°F (6.4°C) during December.Humidity
The average relative humidity in December is 76%.Rainfall
In Sand Flats, during December, the rain falls for 10.5 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Sand Flats, during the entire year, the rain falls for 149.4 days and collects up to 30" (762mm) of precipitation.Snowfall
March through August, October through December are months without snowfall in Sand Flats.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:30 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Sand Flats have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Sand Flats, TX
- Average high temperature in December: 58.3°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 (56.8°F).
- Average low temperature in December: 43.5°F
The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).
Average pressure in December
Sand Flats, TX
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Sand Flats, TX
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in December
Sand Flats, TX
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Sand Flats, TX
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in December
Sand Flats, TX
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is September (15.5 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Sand Flats, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, October, November and December (0").
Average snowfall days in December
Sand Flats, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).
Average daylight in December /
Average sunshine in December
Sand Flats, TX
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Sand Flats, TX
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is September (12.6 days).
Average UV index in December
Sand Flats, TX
- Average UV index in December: 3
The months with the highest UV index are 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
Sand Flats, TX
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Sand Flats, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Sand Flats, Texas, USA
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