October Weather in Austin, United States

Last updated: June 24, 2025

In Austin, United States, the average temperature in October hovers around 9°C (49°F), with a range that can dip to a chilling -9°C (15°F) or rise to a warm 30°C (85°F). During this month, expect about 104 mm (4.1 in) of precipitation spread over 10 days, contributing to an average humidity of 80%.

October Temperature in Austin

In October in Austin, the average temperature is 9°C (49°F). Maximums can reach 30°C (85°F), while minimums can plummet to -9°C (15°F). Travelers should be prepared for a wide range of temperatures, from chilly to warm, during their visit.

October Weather in Austin: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Austin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Austin, October typically has an average temperature of 9°C (49°F), with highs reaching up to 30°C (85°F) and lows dropping to around -9°C (15°F).

Data source: Temperature data for Austin generated using information from the Copernicus Climate Change Service.

October Precipitation in Austin

In Austin in October, the precipitation amount is 104 mm (4.1 in) over a period of 10 days.

October Precipitation Trends in Austin

The chart displays monthly precipitation patterns in Austin, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Austin, October typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Austin

In Austin in October, humidity is 80%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting a need for layered clothing to stay comfortable while traveling.

October Average Humidity in Austin

This chart illustrates the average monthly humidity levels in Austin, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Austin is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Austin

In Austin in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Austin.

Maximum UV Index Levels in Austin for October

The chart shows the monthly maximum UV Index (UVI) for Austin in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Austin typically reaches 5, which falls under the moderate exposure category.

Data source: Austin October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How October Weather in Austin Compares to Other Months

Weather in Austin varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Austin, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Austin, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	36 mm (1.4 inches)	82%	moderate
February Weather	-9°C (17°F)	46 mm (1.8 inches)	84%	moderate
March Weather	1°C (34°F)	67 mm (2.6 inches)	80%	moderate
April Weather	7°C (44°F)	85 mm (3.3 inches)	81%	very high
May Weather	15°C (59°F)	148 mm (5.8 inches)	74%	very high
June Weather	22°C (71°F)	134 mm (5.3 inches)	80%	very high
July Weather	23°C (73°F)	98 mm (3.9 inches)	80%	very high
August Weather	21°C (70°F)	107 mm (4.2 inches)	77%	very high
September Weather	18°C (64°F)	121 mm (4.8 inches)	75%	very high
October Weather	9°C (49°F)	104 mm (4.1 inches)	80%	moderate
November Weather	1°C (34°F)	45 mm (1.8 inches)	87%	moderate
December Weather	-4°C (25°F)	37 mm (1.5 inches)	83%	moderate