Last updated: March 2, 2024
The weather in Galveston, United States, during October is characterized by an average temperature of 24°C (76°F). Highs can soar to 28°C (83°F), while lows may dip to 14°C (57°F). Typically, the humidity level in Galveston throughout October hovers around 75%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In October, Galveston averages 150 mm (5.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 11 hours 25 minutes of daylight, with the sun shining for approximately 9 hours 8 minutes each day. Additionally, there is a 51% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In October, the UV Index in Galveston reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 0 | 1 | 2 | 4 | 6 | 8 | 9 | 8 | 6 | 4 | 2 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||