Weather Comparison
Seattle vs Vancouver
Side-by-side weather comparison for March
March Weather: Seattle vs Vancouver
| Metric | Seattle | Vancouver | Better |
|---|---|---|---|
| Average HighHigher is warmer | 11°C (52°F)▲ | 10°C (50°F) | Seattle |
| Average LowHigher is milder | 3°C (37°F) | 3°C (37°F) | Tie |
| Rain DaysFewer is drier | 18 days▲ | 19 days | Seattle |
| PrecipitationLess is drier | 136 mm▲ | 244 mm | Seattle |
| Sunshine HoursMore is sunnier | 8h/day▲ | 7h/day | Seattle |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 16 km/h | 13 km/h▲ | Vancouver |
Which City is Better in March?
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Seattle edges ahead as the better destination in March. Seattle offers 8 hours of daily sunshine with only 18 rain days, while Vancouver sees 7 sunshine hours and 19 rain days.
Seattle is on the cooler side at 11°C, requiring warmer clothing. Vancouver is cooler at 10°C.
For travelers who prioritize dry weather, Seattle is the stronger choice in March. Seattle receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Temperature Comparison in March
Seattle reaches an average high of 11°C (52°F) and drops to 3°C (37°F) at night during March. The daily temperature range is 8°C, meaning moderate variation throughout the day.
Vancouver averages 10°C (50°F) for the high and 3°C (37°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 March.
Rainfall Comparison in March
Seattle receives approximately 136 mm of rainfall across 18 rain days during March. Rain is frequent, so waterproof gear is essential.
Vancouver sees 244 mm over 19 rain days. That makes Seattle the drier option by 1 rain day and 108 mm of total precipitation.
Both cities share similar humidity levels at 65%.
What to Pack: Seattle vs Vancouver
Packing for Seattle in March
Highs of 11°C, lows of 3°C, 18 rain days
- ✓warm layers
- ✓a mid-weight jacket
- ✓long trousers
- ✓waterproof jacket
- ✓compact umbrella
- ✓waterproof shoes
- ✓a warm scarf
Packing for Vancouver in March
Highs of 10°C, lows of 3°C, 19 rain days
- ✓warm layers
- ✓a mid-weight jacket
- ✓long trousers
- ✓waterproof jacket
- ✓compact umbrella
- ✓waterproof shoes
- ✓a warm scarf
Pack for both: warm layers, a mid-weight jacket, long trousers, waterproof jacket, compact umbrella, waterproof shoes, a warm scarf. These items are useful in either destination during March.
Year-Round Comparison: Seattle vs Vancouver
The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.March is highlighted for quick reference.
| Month | Seattle | Vancouver | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 8°C | 18d | 6°C | 19d |
| Feb | 9°C | 14d | 8°C | 16d |
| Mar | 11°C | 18d | 10°C | 19d |
| Apr | 14°C | 16d | 13°C | 17d |
| May | 18°C | 13d | 17°C | 12d |
| Jun | 21°C | 10d | 19°C | 11d |
| Jul | 25°C | 6d | 23°C | 7d |
| Aug | 25°C | 5d | 23°C | 7d |
| Sep | 21°C | 8d | 20°C | 10d |
| Oct | 15°C | 15d | 14°C | 16d |
| Nov | 10°C | 18d | 9°C | 20d |
| Dec | 7°C | 18d | 6°C | 19d |
Seattle Weather in March
Full forecast, packing tips, and activities
Vancouver Weather in March
Full forecast, packing tips, and activities