Austin
Texas, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Austin, TX

The beautiful Lady Bird Lake passing through the city skyscrapers of Austin city, Texas, in a beautiful sunrise panorama
The beautiful Lady Bird Lake passing through the city skyscrapers of Austin city, Texas, in a beautiful sunrise panorama
The first month of the winter, December, is still a mild month in Austin, Texas, with average temperature ranging between max 60.3°F (15.7°C) and min 45.1°F (7.3°C).

Temperature

In Austin, the average high-temperature in December slightly decreases, from an enjoyable 67.6°F (19.8°C) in November, to a moderate 60.3°F (15.7°C). In Austin, the average low-temperature is 45.1°F (7.3°C).

Humidity

In Austin, the average relative humidity is 70%.

Rainfall

In Austin, Texas, it is raining for 9.7 days, with typically 1.26" (32mm) of accumulated precipitation. In Austin, during the entire year, the rain falls for 142.7 days and collects up to 21.5" (546mm) of precipitation.

Snowfall

March through December are months without snowfall.

Daylight

December has the shortest days of the year in Austin, with an average of 10.2h of daylight.

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 in Austin is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in December in Austin?

In December, the average high-temperature is 60.3°F (15.7°C), and the average low-temperature is 45.1°F (7.3°C).

What is the average humidity in December in Austin?

In December, the average relative humidity in Austin is 70%.

How much does it rain in Austin in December?

In December, in Austin, Texas, the rain falls for 9.7 days. Throughout December, 1.26" (32mm) of precipitation is accumulated.

Does it snow in Austin in December?

In Austin, Texas, in December, it doesn't snow. In January, it regularly snows.

When it does not snow in Austin?

In Austin snow does not fall in March through December.

What is the month with the shortest days in Austin?

The month with the shortest days in Austin is December, with an average of 10.2h of daylight.

How many hours of daylight does Austin have in December?

The average length of the day in December in Austin, Texas, is 10.2h.

What is the month with the least sunshine in Austin?

December has the least sunshine of the year in Austin, with an average of 5.3h of sunshine.

How long on average sun shines in December in Austin?

The average sunshine in December is 5.3h.

When is the lowest UV index in Austin?

The month with the lowest UV index is December, with an average maximum UV index of 3.

What is the UV index intensity in December in Austin?

The average daily maximum UV index in December in Austin, Texas, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in December - Austin, TX
  • Average high temperature in December: 15.7°C

The warmest month (with the highest average high temperature) is August (35.8°C).
The month with the lowest average high temperature is January (15.2°C).

  • Average low temperature in December: 7.3°C

The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (5.9°C).

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: 32mm

The wettest month (with the highest rainfall) is May (96mm).
The driest month (with the lowest rainfall) is February (23mm).

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 lowest number of rainy days is January (8.2 days).

Average snowfall in December - Austin, TX
  • Average snowfall in December: 0mm

The month with the highest snowfall is January (10.2mm).
Months with the lowest snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December - Austin, TX
  • Average snowfall days in December: 0 days

Months with the highest number of snowfall days are January and February (0.3 days).
Months with the lowest number of 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: 10.2h

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.2h).

  • Average sunshine in December: 5.3h

Months with most sunshine are July and August (Average sunshine: 10.3h).
The month with least sunshine is December (Average sunshine: 5.3h).

Average UV index in December - Austin, TX
  • Average UV index in December: 3

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).