Houston Weather in October

Houston, Texas enjoys warm temperatures during October. Although the weather is rainier than most other months.

This page gives detailed information on the typical October temperature, precipitation, sun, humidity, wind and storms for Houston. The numbers here are historical averages based on temperature and rainfall measurements gathered at Houston Hobby Airport and other climate data from George Bush Intercontinental Airport.

Temperature Weather iconTemperature

82 °F October average high 28 °C
64 °F October average low 18 °C
22 days 80 °F max. or more (27 °C)
11 days 60 °F min. or less (16 °C)

Nearly every October day warms to over 70 degrees Fahrenheit (21 degrees Celsius) in Houston. The city averages 3 days this month when the thermometer reaches into the 90s °F (over 32 °C). Temperatures above 100 °F (38 °C) are not expected here during October.

The thermometer dips to 50 °F (10 °C) or below on an average of 2 nights. But most years October does not get as cold as 40 °F (4 °C).

Rainy Weather iconRain

5.8 in total precipitation 147 mm
8 days of rain

Half the time, Houston receives 1.9 to 9.7 inches (49 to 246 mm) of rainfall in October. One in four years has drier weather, while another one in four is wetter.

Sunny Weather iconSun

64 % sunshine
11 days clear skies

The sun's rays reach the ground in Houston during 64 percent of daylight hours on average in October, for a total of 227 hours in the month. Typically on 11 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in October at Houston lasts for 11 hours and 25 minutes a day on average. The longest day of the month is the 1st with 11 hours and 52 minutes of daylight. By the end of the month, the days have shortened to 11:01 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humid Weather iconHumidity

75 % October average humidity

The relative humidity in Houston during October usually peaks at 91 percent in the morning then drops to 53 percent by mid afternoon.

Local Time12 am3 am6 am9 am12 pm3 pm6 pm9 pm
Humidity % 88 90 91 75 56 53 68 82

Windy Weather iconWind

6.9 mph October wind speed average 11.1 kph

October is less windy than most other months in Houston.

Stormy Weather iconStorms

3 days rainfall of 0.5 inches (13 mm) or more
4 days with thunderstorms in October
6 % chance a named storm approaches

There's a 4 percent probability that a hurricane will approach within 100 miles (165 km) of Houston during October. The chance of a major category 3 to 5 hurricane reaching the area is 1 percent.


The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals. The named storm probabilities come from the Atlantic Oceanographic and Meteorological Laboratory, Hurricane Research Division.

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