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

January 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
January, like December, is a moderate winter month in Austin, Texas, with temperature in the range of an average high of 59.4°F (15.2°C) and an average low of 42.6°F (5.9°C).

Temperature

With an average high-temperature of 59.4°F (15.2°C) and an average low-temperature of 42.6°F (5.9°C), January is the coldest month.

Humidity

The average relative humidity in January is 66%.

Rainfall

In January, the rain falls for 8.2 days. Throughout January, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 142.7 rainfall days, and 21.5" (546mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Austin are January and February. January is the month with the most snowfall in Austin. Snow falls for 0.3 days and accumulates 0.4" (10.2mm) of snow.

Daylight

In January, the average length of the day in Austin is 10.5h.

Sunshine

In Austin, the average sunshine in January is 6.3h.

UV index

The average daily maximum UV index in Austin is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Austin?

The coldest month is January, with an average high-temperature of 59.4°F (15.2°C) and an average low-temperature of 42.6°F (5.9°C).

What is the temperature in January in Austin?

The average high-temperature, in January, in Austin, Texas, is 59.4°F (15.2°C), while the average low-temperature is 42.6°F (5.9°C).

What is the average humidity in January in Austin?

The average relative humidity in January in Austin, Texas, is 66%.

How many days does it rain in January in Austin?

In Austin, during January, the rain falls for 8.2 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When does it start snowing in Austin?

January is the first month it typically snows in Austin, Texas. Throughout January, in the average 0.3 snowfall days, it receives 0.4" (10.2mm) of snow.

When does it snow the most in Austin?

January is the month with the most snowfall in Austin, Texas. Snow falls for 0.3 days and accumulates 0.4" (10.2mm) of snow.

What is the average length of the day in January in Austin?

The average length of the day in January in Austin is 10.5h.

How long on average sun shines in January in Austin?

In January, the average sunshine in Austin, Texas, is 6.3h.

What is the UV index reading in January in Austin?

In Austin, Texas, the average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in January - Austin, TX
  • Average high temperature in January: 15.2°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 January: 5.9°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 January - Austin, TX
  • Average humidity in January: 66%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (59%).

Average rainfall in January - Austin, TX
  • Average rainfall in January: 29mm

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

Average rainfall days in January - Austin, TX
  • Average rainfall days in January: 8.2 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 January - Austin, TX
  • Average snowfall in January: 10.2mm

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 January - Austin, TX
  • Average snowfall days in January: 0.3 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 January / Average sunshine in January - Austin, TX
  • Average daylight in January: 10.5h

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 January: 6.3h

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 January - Austin, TX
  • Average UV index in January: 4

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).