Washington weather in March
March in Washington: cool, rainy, with clean air — a great time to visit.
#6 of 12 months in Washington · #317 of 604 destinations to visit in March · comfort 75/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Washington climate normals — March
| Daytime high | 14°C / 58°F | 🙂 cool |
|---|---|---|
| Nighttime low | 4°C / 39°F | |
| Feels like (high) | 12°C / 54°F | |
| Rainfall | 86 mm / 3.4 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 1°C / 34°F | |
| Sunshine | 8.1 h/day | |
| Daylight | 12 h | |
| Wind | 18 km/h / 11 mph | |
| Snowfall | 3.3 cm / 1.3 in | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Washington in March — FAQ
- Is March a good time to visit Washington?
- March in Washington: cool, rainy, with clean air — a great time to visit. It ranks #6 of 12 months for Washington on SeasonMap's comfort score (75/100).
- What is the weather like in Washington in March?
- In March, Washington averages a daily high of 14.3°C and a low of 3.8°C, with about 86.3 mm of rain over roughly 9.6 rainy days.
- What is the air quality in Washington in March?
- Washington has a mean US Air Quality Index of about 42 in March.
- Does it snow in Washington in March?
- Washington sees roughly 3.3 cm of snowfall in March.