Seattle vs Vancouver

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Seattle edges ahead as the better destination in October. Seattle offers 7 hours of daily sunshine with only 15 rain days, while Vancouver sees 6 sunshine hours and 16 rain days.

Seattle sits in the comfortable travel range at 15°C. Vancouver is cooler at 14°C.

For travelers who prioritize dry weather, Seattle is the stronger choice in October. Seattle receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Seattle reaches an average high of 15°C (59°F) and drops to 8°C (46°F) at night during October. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Vancouver averages 14°C (57°F) for the high and 8°C (46°F) for the low, with a daily range of 6°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in October.

Seattle receives approximately 129 mm of rainfall across 15 rain days during October. Rain is frequent, so waterproof gear is essential.

Vancouver sees 238 mm over 16 rain days. That makes Seattle the drier option by 1 rain day and 109 mm of total precipitation.

Both cities share similar humidity levels at 65%.