Seattle, Washington Weather in March
United States · March climate averages and travel tips
Avg high11°C (51°F)
Avg low3°C (38°F)
Rainfall133 mm (5.2 in)
RatingPoor 2.1/10
In March, Seattle has average highs of 11°C (51°F) and lows of 3°C (38°F). March is spring in United States. The month is wet, with about 133 mm (5.2 in) of rain spread over 19 days. You get roughly 11.6 hours of daylight and frequently cloudy skies.
Is March a good time to visit Seattle?
March is not the best time to visit Seattle (2.1/10) mainly because of the rain. The weather is much better in June to September.
March weather at a glance
| Average high | 11°C (51°F) |
|---|---|
| Average low | 3°C (38°F) |
| Daily mean | 7°C (44°F) |
| Rainfall | 133 mm (5.2 in) |
| Rainy days (1 mm+) | 19 |
| Humidity | 85% |
| Cloud cover | 78% |
| Daylight | 11.6 hours |
| Est. sunshine | 2.8 hours/day |
| Wind | 3 km/h |
| vs February | 3°C warmer than February, with 16 mm more rain. |
What to pack for Seattle in March
- a warm jacket and layers
- an umbrella or rain jacket
Seattle weather in other months
Jan7°C / 2°C178 mmPoorFeb8°C / 2°C117 mmPoorMar11°C / 3°C133 mmPoorApr13°C / 5°C98 mmPoorMay18°C / 8°C73 mmGoodJun20°C / 11°C57 mmExcellentJul23°C / 13°C19 mmExcellentAug24°C / 13°C25 mmExcellentSep21°C / 11°C62 mmExcellentOct15°C / 8°C125 mmFairNov10°C / 4°C196 mmPoorDec7°C / 2°C184 mmPoor
← FebruaryBest time to visit SeattleApril →
Better weather in March nearby
- Mexico City27°C · 15 mm · Excellent
- Los Angeles, California20°C · 53 mm · Excellent
- Phoenix, Arizona25°C · 23 mm · Excellent
- San Diego, California20°C · 39 mm · Excellent
- Las Vegas, Nevada22°C · 13 mm · Excellent
- San Jose28°C · 43 mm · Excellent
Nearby in March
- Victoria9°C · 100 mm
- Vancouver9°C · 135 mm
- Calgary5°C · 27 mm
- Edmonton3°C · 25 mm
- San Francisco, California16°C · 90 mm
- Las Vegas, Nevada22°C · 13 mm
Where else is good in March? See where to go in March.