Last updated: June 24, 2025
In October, the average temperature in Grand Ronde, United States hovers around 11°C (52°F). Be prepared for a wide range of temperatures, as they can dip to a chilly -3°C (26°F) or soar to a warm 25°C (77°F). Expect 105 mm (4.1 in) of precipitation spread over approximately 11 days, and keep in mind that the average humidity is a notable 81%.
In October in Grand Ronde, the average temperature is 11°C (52°F). Maximum temperatures can reach as high as 25°C (77°F), while minimums can drop to a chilly -3°C (26°F). Overall, it's a great time for traveling, so be prepared for a mix of mild and cool weather.
In Grand Ronde in October, the precipitation amount is 105 mm (4.1 in) over the course of 11 days.
In Grand Ronde in October humidity is 81%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor excursions quite uncomfortable, causing a muggy heaviness that dampens clothes and leaves travelers longing for dryer weather.
In Grand Ronde 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 Grand Ronde.
UV Risk Categories
Weather in Grand Ronde varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Grand Ronde, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (41°F) | 194 mm (7.6 inches) | 85% | low |
February Weather | 5°C (41°F) | 180 mm (7.1 inches) | 84% | moderate |
March Weather | 7°C (45°F) | 150 mm (5.9 inches) | 85% | moderate |
April Weather | 9°C (49°F) | 126 mm (4.9 inches) | 83% | high |
May Weather | 13°C (55°F) | 63 mm (2.5 inches) | 83% | very high |
June Weather | 16°C (61°F) | 49 mm (1.9 inches) | 83% | very high |
July Weather | 18°C (65°F) | 5 mm (0.2 inches) | 82% | very high |
August Weather | 19°C (66°F) | 6 mm (0.2 inches) | 74% | very high |
September Weather | 16°C (61°F) | 68 mm (2.7 inches) | 71% | high |
October Weather | 11°C (52°F) | 105 mm (4.1 inches) | 81% | moderate |
November Weather | 7°C (46°F) | 178 mm (7.0 inches) | 87% | moderate |
December Weather | 5°C (41°F) | 210 mm (8.3 inches) | 87% | low |