Last updated: June 24, 2025
In March, the average temperature in Washington, United States hovers around 7°C (46°F), but be prepared for a range that can dip to -11°C (12°F) or soar to 28°C (82°F). With an average humidity of 88%, this month experiences about 115 mm (4.5 in) of precipitation spread over 13 days, making it a time to embrace both the chill and occasional showers!
In March in Washington, the average temperature is 7°C (46°F). The maximum can reach 28°C (82°F), while the minimum can drop as low as -11°C (12°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is advisable for comfort.
In Washington in March, the precipitation amount is 115 mm (4.5 in) spread over 13 days.
In Washington in March humidity is 88%. With an average temperature of 7°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring you to dress in layers to stay warm and dry while exploring.
In Washington in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Washington.
UV Risk Categories
Weather in Washington varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Washington, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (34°F) | 91 mm (3.6 inches) | 88% | moderate |
February Weather | 4°C (39°F) | 125 mm (4.9 inches) | 88% | moderate |
March Weather | 7°C (46°F) | 115 mm (4.5 inches) | 88% | high |
April Weather | 12°C (55°F) | 143 mm (5.6 inches) | 86% | very high |
May Weather | 18°C (65°F) | 147 mm (5.8 inches) | 82% | very high |
June Weather | 22°C (72°F) | 153 mm (6.0 inches) | 84% | very high |
July Weather | 25°C (77°F) | 112 mm (4.4 inches) | 82% | very high |
August Weather | 24°C (75°F) | 123 mm (4.8 inches) | 73% | very high |
September Weather | 21°C (70°F) | 104 mm (4.1 inches) | 73% | very high |
October Weather | 15°C (60°F) | 113 mm (4.4 inches) | 81% | high |
November Weather | 7°C (45°F) | 82 mm (3.2 inches) | 89% | moderate |
December Weather | 4°C (39°F) | 117 mm (4.6 inches) | 86% | moderate |