Last updated: June 24, 2025
In October, the average temperature in West Richland, United States hovers around 12°C (54°F). However, temperatures can vary significantly, with a minimum drop to -8°C (17°F) and a peak reaching 32°C (90°F). Expect about 23 mm (0.9 in) of precipitation spread over 5 days, coupled with an average humidity of 80%, making for a uniquely balanced climate.
In October in West Richland, the average temperature is 12°C (54°F). Maximum temperatures can reach 32°C (90°F), while the minimum can drop as low as -8°C (17°F). Travelers should be prepared for a wide range of temperatures, from warm days to chilly nights.
In West Richland in October, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.
In West Richland in October, humidity is 80%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket that wraps around you, making it feel much cooler and damp. Traveling in these conditions might leave you feeling chilly and slightly uncomfortable, as the moisture in the air clings to your skin and clothes, turning each step into a soggy endeavor.
In West Richland in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in West Richland.
UV Risk Categories
Weather in West Richland varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in West Richland, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 36 mm (1.4 inches) | 85% | low |
| February Weather | 2°C (37°F) | 39 mm (1.5 inches) | 86% | moderate |
| March Weather | 8°C (47°F) | 26 mm (1.0 inches) | 86% | moderate |
| April Weather | 13°C (56°F) | 22 mm (0.9 inches) | 82% | high |
| May Weather | 19°C (67°F) | 13 mm (0.5 inches) | 77% | very high |
| June Weather | 24°C (75°F) | 7 mm (0.3 inches) | 79% | very high |
| July Weather | 28°C (82°F) | 0 mm (0.0 inches) | 77% | very high |
| August Weather | 27°C (80°F) | 3 mm (0.1 inches) | 62% | very high |
| September Weather | 20°C (69°F) | 8 mm (0.3 inches) | 60% | high |
| October Weather | 12°C (54°F) | 23 mm (0.9 inches) | 80% | moderate |
| November Weather | 6°C (42°F) | 30 mm (1.2 inches) | 87% | moderate |
| December Weather | 2°C (36°F) | 30 mm (1.2 inches) | 86% | low |