October Weather in Houston, United States

Last updated: June 24, 2025

In Houston, United States, the average temperature in October hovers around 10°C (50°F). Conditions can vary widely, with a minimum dipping to -6°C (21°F) and peaks reaching 30°C (87°F). Expect a total precipitation of 125 mm (4.9 in) occurring over 12 days, and don’t forget to account for the high average humidity at 79%.

October Temperature in Houston

In October in Houston, the average temperature is 10°C (50°F), with maximums reaching 30°C (87°F) and minimums dropping as low as -6°C (21°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates October temperature patterns in Houston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Houston, October typically has an average temperature of 10°C (50°F), with highs reaching up to 30°C (87°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec192035455971747064503527
Data source: Temperature data for Houston generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Houston

In Houston in October, the total precipitation amount is 125 mm (4.9 in) spread over 12 days.

October Precipitation Trends in Houston

The chart displays monthly precipitation patterns in Houston, 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 Houston, October typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec375060861501461051161191255442
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Houston

In Houston in October humidity is 79%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less inviting and requiring layered clothing to stay comfortable while traveling.

October Average Humidity in Houston

This chart illustrates the average monthly humidity levels in Houston, 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 Houston is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%84%83%75%79%75%69%74%79%88%82%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Houston

In Houston 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 Houston.

Maximum UV Index Levels in Houston for October

The chart shows the monthly maximum UV Index (UVI) for Houston 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 Houston typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101098532
Data source: Houston 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 Houston Compares to Other Months

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

This table compares monthly weather conditions in Houston, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)37 mm (1.4 inches)84%moderate
February Weather-6°C (21°F)50 mm (2.0 inches)85%moderate
March Weather2°C (36°F)60 mm (2.4 inches)84%moderate
April Weather7°C (45°F)86 mm (3.4 inches)83%very high
May Weather15°C (60°F)150 mm (5.9 inches)75%very high
June Weather22°C (71°F)146 mm (5.7 inches)79%very high
July Weather23°C (74°F)105 mm (4.1 inches)75%very high
August Weather21°C (71°F)116 mm (4.6 inches)69%very high
September Weather18°C (65°F)119 mm (4.7 inches)74%very high
October Weather10°C (50°F)125 mm (4.9 inches)79%moderate
November Weather2°C (35°F)54 mm (2.1 inches)88%moderate
December Weather-3°C (27°F)42 mm (1.6 inches)82%low

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