Seattle vs Vancouver

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Vancouver edges ahead as the better destination in May. Vancouver offers 11 hours of daily sunshine with only 12 rain days, while Seattle sees 11 sunshine hours and 13 rain days.

Seattle sits in the comfortable travel range at 18°C. Vancouver is also comfortable at 17°C.

For travelers who prioritize dry weather, Vancouver is the stronger choice in May.

Seattle reaches an average high of 18°C (64°F) and drops to 8°C (46°F) at night during May. The daily temperature range is 10°C, meaning moderate variation throughout the day.

Vancouver averages 17°C (63°F) for the high and 9°C (48°F) for the low, with a daily range of 8°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 May.

Seattle receives approximately 76 mm of rainfall across 13 rain days during May. You can expect rain roughly every other day.

Vancouver sees 114 mm over 12 rain days. That makes Vancouver the drier option by 1 rain day and 38 mm of total precipitation.

Both cities share similar humidity levels at 65%.