Last updated: March 2, 2024
The weather in Seattle, United States, during October is characterized by an average temperature of 11°C (52°F). Highs can soar to 20°C (68°F), while lows may dip to 3°C (37°F). Typically, the humidity level in Seattle throughout October hovers around 83%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In October, Seattle averages 155 mm (6.1 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 10 hours 47 minutes of daylight, with the sun shining for approximately 6 hours 7 minutes each day. Additionally, there is a 24% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In October, the UV Index in Seattle reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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 | 1 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 1 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||