Last updated: June 24, 2025
In October, the average temperature in Corvallis, United States is a crisp 12°C (53°F). Be prepared for a range of conditions, as temperatures can dip to a minimum of -4°C (25°F) and soar to a maximum of 27°C (81°F). Expect 84 mm (3.3 in) of precipitation spread over about 10 days, accompanied by an average humidity level of 81%.
In October in Corvallis, the average temperature is 12°C (53°F). Maximums can reach 27°C (81°F) and minimums can be as low as -4°C (25°F). Pack accordingly to enjoy a range of temperatures during your travels!
In Corvallis in October, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.
In Corvallis in October, humidity is 81%. With an average temperature of 12°C (53°F), this humidity feels like a chilly dampness enveloping you, making outdoor activities uncomfortable and requiring layers to stay warm while you explore.
In Corvallis 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 Corvallis.
UV Risk Categories
Weather in Corvallis varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Corvallis, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (42°F) | 155 mm (6.1 inches) | 85% | low |
February Weather | 5°C (41°F) | 179 mm (7.0 inches) | 84% | moderate |
March Weather | 7°C (45°F) | 133 mm (5.2 inches) | 85% | high |
April Weather | 10°C (50°F) | 117 mm (4.6 inches) | 83% | high |
May Weather | 13°C (57°F) | 60 mm (2.3 inches) | 83% | very high |
June Weather | 17°C (63°F) | 42 mm (1.7 inches) | 83% | very high |
July Weather | 20°C (69°F) | 3 mm (0.1 inches) | 82% | very high |
August Weather | 21°C (69°F) | 5 mm (0.2 inches) | 74% | very high |
September Weather | 17°C (64°F) | 61 mm (2.4 inches) | 71% | very high |
October Weather | 12°C (53°F) | 84 mm (3.3 inches) | 81% | moderate |
November Weather | 8°C (46°F) | 139 mm (5.5 inches) | 87% | moderate |
December Weather | 5°C (41°F) | 189 mm (7.4 inches) | 87% | low |