Vancouver vs Seattle

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.

Vancouver is on the cooler side at 14°C, requiring warmer clothing. Seattle is also comfortable at 15°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.

Vancouver reaches an average high of 14°C (57°F) and drops to 8°C (46°F) at night during October. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.

Seattle averages 15°C (59°F) for the high and 8°C (46°F) for the low, with a daily range of 7°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.

Vancouver receives approximately 238 mm of rainfall across 16 rain days during October. Rain is frequent, so waterproof gear is essential.

Seattle sees 129 mm over 15 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%.