Last updated: June 24, 2025
In October, the average temperature in Houston, United States hovers around 2°C (37°F). While it can dip to a chilly -12°C (10°F), you can also expect a milder maximum of 14°C (58°F). Be prepared for some rain, as 109 mm (4.3 in) of precipitation may fall over 16 days, contributing to an average humidity level of 91%.
In October in Houston, the average temperature is 2°C (37°F). Maximums can reach 14°C (58°F), while minimums can drop as low as -12°C (10°F). Be prepared for chilly weather and pack accordingly for your travels!
In Houston in October, the precipitation amount is 109 mm (4.3 in) spread over 16 days.
In Houston in October, humidity is 91%. With an average temperature of 2°C (37°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and necessitating extra layers to stay warm and dry.
In Houston in October, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Houston, you can visit Hourly UV Index in Houston.
UV Risk Categories
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.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -12°C (11°F) | 38 mm (1.5 inches) | 94% | low |
| February Weather | -9°C (16°F) | 49 mm (1.9 inches) | 93% | low |
| March Weather | -6°C (21°F) | 42 mm (1.7 inches) | 91% | moderate |
| April Weather | 2°C (36°F) | 43 mm (1.7 inches) | 85% | moderate |
| May Weather | 9°C (48°F) | 99 mm (3.9 inches) | 88% | high |
| June Weather | 13°C (55°F) | 98 mm (3.9 inches) | 95% | high |
| July Weather | 15°C (60°F) | 103 mm (4.0 inches) | 102% | high |
| August Weather | 13°C (56°F) | 152 mm (6.0 inches) | 100% | moderate |
| September Weather | 9°C (48°F) | 106 mm (4.2 inches) | 96% | moderate |
| October Weather | 2°C (37°F) | 109 mm (4.3 inches) | 91% | low |
| November Weather | -7°C (20°F) | 63 mm (2.5 inches) | 95% | low |
| December Weather | -8°C (18°F) | 76 mm (3.0 inches) | 96% | low |