Last updated: June 24, 2025
In October, the average temperature in Sammamish, United States hovers around 10°C (50°F), with a potential minimum of -4°C (25°F) and a maximum reaching up to 24°C (75°F). Expect about 220 mm (8.7 in) of precipitation spread over 16 days, contributing to an average humidity level of 83%. Prepare for varying weather conditions if you're planning a visit!
In October in Sammamish, the average temperature is 10°C (50°F). Maximums can reach 24°C (75°F) and minimums can be as low as -4°C (25°F). It's a great time to visit Sammamish to experience a mix of mild weather and chilly days, allowing for a variety of outdoor activities.
In Sammamish in October, the precipitation amount is 220 mm (8.7 in) over a span of 16 days.
In Sammamish in October, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.
In Sammamish 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 Sammamish.
UV Risk Categories
Weather in Sammamish varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Sammamish, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (41°F) | 215 mm (8.5 inches) | 86% | low |
February Weather | 4°C (39°F) | 242 mm (9.5 inches) | 86% | moderate |
March Weather | 7°C (44°F) | 167 mm (6.6 inches) | 87% | moderate |
April Weather | 9°C (49°F) | 154 mm (6.1 inches) | 84% | high |
May Weather | 13°C (56°F) | 94 mm (3.7 inches) | 81% | very high |
June Weather | 16°C (60°F) | 88 mm (3.5 inches) | 82% | very high |
July Weather | 18°C (65°F) | 33 mm (1.3 inches) | 79% | very high |
August Weather | 18°C (65°F) | 27 mm (1.0 inches) | 63% | very high |
September Weather | 15°C (60°F) | 124 mm (4.9 inches) | 62% | high |
October Weather | 10°C (50°F) | 220 mm (8.7 inches) | 83% | moderate |
November Weather | 7°C (45°F) | 238 mm (9.4 inches) | 89% | low |
December Weather | 4°C (40°F) | 248 mm (9.8 inches) | 88% | low |