December weather forecastSan Augustine, TX
December
Weather in December
December, the first month of the winter in San Augustine, is also a moderate month, with temperature in the range of an average low of 43°F (6.1°C) and an average high of 57.9°F (14.4°C).Temperature
San Augustine in December undergoes a slight reduction in the average high-temperature, shifting from November's enjoyable 65.7°F (18.7°C) to a moderate 57.9°F (14.4°C). San Augustine's temperature drops to an average low of 43°F (6.1°C) during the nights of December.Humidity
The average relative humidity in December is 81%.Rainfall
In San Augustine, during December, the rain falls for 9.6 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, there are 132.7 rainfall days, and 18.27" (464mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.12" (3mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:58 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:23 pm CST.
Sunshine
With an average of 4.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 3 in December leads to these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. When the Sun is at its strongest around midday, find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
San Augustine, TX
- Average high temperature in December: 57.9°F
The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in December: 43°F
The months with the highest average low temperature are July and August (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in December
San Augustine, TX
- Average pressure in December: 30.12"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
San Augustine, TX
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in December
San Augustine, TX
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (71%).
Average rainfall in December
San Augustine, TX
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is November (0.87").
Average rainfall days in December
San Augustine, TX
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is August (14.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
San Augustine, TX
- Average snowfall in December: 0.12"
The month with the highest snowfall is December (0.12").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
San Augustine, TX
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.7 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
San Augustine, TX
- Average daylight in December: 10h and 6min
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: 4h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
San Augustine, TX
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is August (14 days).
Average UV index in December
San Augustine, 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
San Augustine, TX
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are August and October (Cloud cover 33).
Average visibility in December
San Augustine, TX
- Average visibility in December: 5mi
The month with the highest visibility is October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (5mi).
