October Weather in Dallas, United States

Last updated: June 24, 2025

In October, the average temperature in Dallas, United States is a pleasant 18°C (65°F). However, temperatures can vary significantly, with a minimum of -1°C (30°F) and a maximum soaring to 37°C (98°F). Expect some wet days, as the precipitation amount reaches 131 mm (5.1 in) over the course of 9 days. With an average humidity of 78%, be prepared for a refreshing yet potentially muggy atmosphere during your stay!

October Temperature in Dallas

In October in Dallas, the average temperature is 18°C (65°F). The maximum can reach 37°C (98°F), and the minimum can be as low as -1°C (30°F). It's essential to pack for a wide range of weather conditions when traveling during this time.

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

The chart illustrates October temperature patterns in Dallas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dallas, October typically has an average temperature of 18°C (65°F), with highs reaching up to 37°C (98°F) and lows dropping to around -1°C (30°F).

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

October Precipitation in Dallas

In Dallas in October, the total precipitation amount is 131 mm (5.1 in) over a span of 9 days.

October Precipitation Trends in Dallas

The chart displays monthly precipitation patterns in Dallas, 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 Dallas, October typically receives around 131 mm (5.1 inches) of precipitation spread over approximately 9 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 Dallas

In Dallas in October, humidity is 78%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket, making travel quite muggy and potentially uncomfortable, as it can leave you feeling sticky and fatigued more quickly than usual.

October Average Humidity in Dallas

This chart illustrates the average monthly humidity levels in Dallas, 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 Dallas is approximately 78%, 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 Dallas

In Dallas 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 Dallas.

Maximum UV Index Levels in Dallas for October

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

Data source: Dallas 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 Dallas Compares to Other Months

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

This table compares monthly weather conditions in Dallas, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	111 mm (4.4 inches)	86%	moderate
February Weather	10°C (51°F)	159 mm (6.3 inches)	84%	high
March Weather	13°C (56°F)	138 mm (5.4 inches)	83%	very high
April Weather	16°C (62°F)	134 mm (5.3 inches)	81%	very high
May Weather	21°C (71°F)	106 mm (4.2 inches)	81%	extreme
June Weather	24°C (76°F)	133 mm (5.3 inches)	81%	extreme
July Weather	26°C (79°F)	123 mm (4.9 inches)	83%	extreme
August Weather	25°C (78°F)	144 mm (5.7 inches)	81%	very high
September Weather	23°C (74°F)	112 mm (4.4 inches)	82%	very high
October Weather	18°C (65°F)	131 mm (5.1 inches)	78%	very high
November Weather	11°C (52°F)	86 mm (3.4 inches)	86%	high
December Weather	9°C (48°F)	137 mm (5.4 inches)	89%	moderate