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
A minor decrease in the average high-temperature is observed during December, shifting from a comfortable 65.7°F (18.7°C) in November to a mild 57.9°F (14.4°C). During the nights in December, an average low-temperature of 43°F (6.1°C) is observed in San Augustine.Humidity
In San Augustine, the average relative humidity in December is 81%.Rainfall
In San Augustine, in December, during 9.6 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in San Augustine, Texas, there are 132.7 rainfall days, and 18.27" (464mm) of precipitation is accumulated.Snowfall
Months with snowfall in San Augustine are January through March and December. The month with the most snowfall in San Augustine is December, when snow falls for 0.3 days and typically aggregates up to 0.12" (3mm) of snow.Daylight
The month with the shortest days in San Augustine, Texas, is December, with an average of 10h and 6min of daylight.On the first day of December in San Augustine, 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
December has the least sunshine of the year in San Augustine, with an average of 4.7h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during December leads to these advisories:
Exercise prevention - Warding off sunburn is urged. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the usual temperature for San Augustine in December?
What is the average humidity in December in San Augustine?
How many days does it rain in December in San Augustine?
What is the snowiest month in San Augustine?
When does it start to snow in San Augustine?
What is the month with the shortest days in San Augustine?
How many hours of daylight does San Augustine have in December?
When is the sunrise / sunset in December in San Augustine?
What is the month with the least sunshine in San Augustine?
How long on average sun shines in December in San Augustine?
When is the lowest UV index in San Augustine?
What is the UV index reading in December in San Augustine?
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 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: 4h and 4min
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).
San Augustine, Texas, USA
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