Last updated: March 2, 2024
The weather in Sumas, United States, during October is characterized by an average temperature of 9°C (48°F). Highs can soar to 18°C (65°F), while lows may dip to 0°C (32°F). Typically, the humidity level in Sumas throughout October hovers around 88%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In October, Sumas averages 229 mm (9.0 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 10 hours 43 minutes of daylight, with the sun shining for approximately 5 hours 37 minutes each day. Additionally, there is a 21% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In October, the UV Index in Sumas reaches a maximum of 4, 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 | ||||||||||