Vancouver vs Seattle

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Seattle edges ahead as the better destination in March. Seattle offers 4 hours of daily sunshine with only 4 rain days, while Vancouver sees 7 sunshine hours and 19 rain days.

Vancouver is on the cooler side at 10°C, requiring warmer clothing. Seattle is also comfortable at 22°C.

For travelers who prioritize dry weather, Seattle is the stronger choice in March. Vancouver receives 3 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Vancouver reaches an average high of 10°C (50°F) and drops to 3°C (37°F) at night during March. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Seattle averages 22°C (72°F) for the high and 13°C (55°F) for the low, with a daily range of 9°C. There is a notable 12°C gap between the two cities, so expect a very different feel.

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

Vancouver receives approximately 244 mm of rainfall across 19 rain days during March. Rain is frequent, so waterproof gear is essential.

Seattle sees 45 mm over 4 rain days. That makes Seattle the drier option by 15 rain days and 199 mm of total precipitation.

Both cities share similar humidity levels at 65%.