Last updated: March 2, 2024
The weather in Chehalis, United States, during October is characterized by an average temperature of 10°C (51°F). Highs can soar to 20°C (69°F), while lows may dip to 0°C (32°F). Typically, the humidity level in Chehalis throughout October hovers around 83%.
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Average temperature
Maximum temperature
Humidity
In October, Chehalis averages 132 mm (5.2 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 10 hours 49 minutes of daylight, with the sun shining for approximately 6 hours 14 minutes each day. Additionally, there is a 23% probability of sunny days during this period.
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Chance of sun
In October, the UV Index in Chehalis reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 5 | 4 | 3 | 2 | 1 | 1 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||