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October Weather in Houston, United States

Last updated: June 24, 2025

In Houston, United States, the average temperature in October hovers around 19°C (66°F), but be prepared for a wide range as it can dip to a chilly 0°C (33°F) or soar to a sizzling 38°C (100°F). With an average precipitation of 113 mm (4.4 in) spread across 9 days, you might want to pack an umbrella along with your summer attire. The air carries a notable average humidity of 73%, adding a touch of moisture to your stay.

October Temperature in Houston

In October in Houston, the average temperature is 19°C (66°F). Maximums can reach 38°C (100°F), while minimums can drop as low as 0°C (33°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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 19°C (66°F), with highs reaching up to 38°C (100°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec455057627278818077665249
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 precipitation amount is 113 mm (4.4 in) over a period of 9 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 113 mm (4.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1281871631531201311031279211375138
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 73%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making travel enjoyable yet slightly sticky, as you find yourself seeking shade and refreshing drinks while exploring.

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 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
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 is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109764
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 Weather7°C (45°F)128 mm (5.0 inches)85%moderate
February Weather10°C (50°F)187 mm (7.4 inches)84%high
March Weather14°C (58°F)163 mm (6.4 inches)82%very high
April Weather17°C (63°F)153 mm (6.0 inches)82%very high
May Weather22°C (73°F)120 mm (4.7 inches)82%extreme
June Weather26°C (79°F)131 mm (5.2 inches)79%extreme
July Weather27°C (82°F)103 mm (4.1 inches)82%extreme
August Weather27°C (81°F)127 mm (5.0 inches)77%very high
September Weather25°C (77°F)92 mm (3.6 inches)74%very high
October Weather19°C (66°F)113 mm (4.4 inches)73%high
November Weather11°C (52°F)75 mm (3.0 inches)85%high
December Weather9°C (49°F)138 mm (5.4 inches)88%moderate

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