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
The average high-temperature shows a slight dip in December, from November's comfortable 67.6°F (19.8°C) to a mild 60.3°F (15.7°C). Throughout December, Austin witnesses a consistent average low-temperature of 45.1°F (7.3°C).Humidity
In December, the average relative humidity is 70%.Rainfall
In December, the rain falls for 9.7 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 142.7 rainfall days, and 21.5" (546mm) of precipitation is accumulated.Snowfall
In Austin, snow does not fall in March through December.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 5:30 pm. On the last day of December, sunrise is at 7:27 am and sunset at 5:41 pm CST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Austin in December?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in Austin in December?
What is the month with the shortest days?
How many hours of daylight does Austin have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Austin, TX
- Average high temperature in December: 60.3°F
The warmest month (with the highest average high temperature) is August (96.4°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 (75.4°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).
Average pressure in December
Austin, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Austin, TX
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).
Average humidity in December
Austin, TX
- Average humidity in December: 70%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (59%).
Average rainfall in December
Austin, TX
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Austin, TX
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Austin, TX
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.4").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Austin, TX
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Austin, TX
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Austin, TX
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Austin, 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
Austin, TX
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Austin, 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).
Austin, Texas, USA
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