October Weather in Round Rock, United States

Last updated: June 24, 2025

In Round Rock, United States, the average temperature in October is a mild 12°C (54°F), with extremes that can drop to a chilly -10°C (15°F) or rise to a warm 29°C (85°F). Expect 21 mm (0.8 in) of precipitation spread over approximately 4 days, and with an average humidity of 74%, the air can feel refreshing yet humid during this time.

October Temperature in Round Rock

In October in Round Rock, the average temperature is 12°C (54°F), with maximums reaching up to 29°C (85°F) and minimums dropping as low as -10°C (15°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their stay.

October Weather in Round Rock: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Round Rock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Round Rock, October typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (85°F) and lows dropping to around -10°C (15°F).

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

October Precipitation in Round Rock

In Round Rock in October, the precipitation amount is 21 mm (0.8 in) over a span of 4 days.

October Precipitation Trends in Round Rock

The chart displays monthly precipitation patterns in Round Rock, 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 Round Rock, October typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 4 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Round Rock

In Round Rock in October, humidity is 74%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace that can dampen your travel experience, making it essential to dress in layers and prepare for an unexpected drizzle while exploring the sights.

October Average Humidity in Round Rock

This chart illustrates the average monthly humidity levels in Round Rock, 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 Round Rock is approximately 74%, 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 Round Rock

In Round Rock in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Round Rock.

Maximum UV Index Levels in Round Rock for October

The chart shows the monthly maximum UV Index (UVI) for Round Rock 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 Round Rock typically reaches 8, which falls under the very high exposure category.

Data source: Round Rock 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 Round Rock Compares to Other Months

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

This table compares monthly weather conditions in Round Rock, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	22 mm (0.9 inches)	85%	moderate
February Weather	3°C (38°F)	22 mm (0.9 inches)	86%	high
March Weather	8°C (46°F)	31 mm (1.2 inches)	76%	very high
April Weather	13°C (55°F)	10 mm (0.4 inches)	69%	extreme
May Weather	17°C (63°F)	14 mm (0.6 inches)	53%	extreme
June Weather	24°C (76°F)	3 mm (0.1 inches)	40%	extreme
July Weather	26°C (80°F)	14 mm (0.5 inches)	36%	extreme
August Weather	25°C (78°F)	4 mm (0.2 inches)	44%	extreme
September Weather	21°C (69°F)	12 mm (0.5 inches)	59%	extreme
October Weather	12°C (54°F)	21 mm (0.8 inches)	74%	very high
November Weather	7°C (44°F)	10 mm (0.4 inches)	83%	high
December Weather	1°C (34°F)	22 mm (0.8 inches)	85%	moderate