Last updated: June 24, 2025
In March, the average temperature in Richland, United States hovers around 5°C (41°F). While you can expect a chilly minimum of -20°C (-3°F), the mercury can rise to a comfortable 23°C (74°F) at its peak. Prepare for some moisture, as 87 mm (3.4 in) of precipitation is likely over 10 days. With an average humidity of 81%, it’s a time to bundle up and enjoy the unique climate!
In March in Richland, the average temperature is 5°C (41°F). Maximums can reach 23°C (74°F), while minimums can drop as low as -20°C (-3°F). Be prepared for a wide range of temperatures to ensure a comfortable and enjoyable travel experience.
In Richland in March, the precipitation amount is 87 mm (3.4 in) over the course of 10 days.
In Richland in March, humidity is 81%. With an average temperature of 5°C (41°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor exploration uncomfortable and requiring warm, waterproof clothing to stay comfortable while traveling.
In Richland in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Richland, you can refer to this Hourly UV Index in Richland.
UV Risk Categories
Weather in Richland varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Richland, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -5°C (24°F) | 50 mm (2.0 inches) | 81% | moderate |
February Weather | -4°C (26°F) | 56 mm (2.2 inches) | 81% | moderate |
March Weather | 5°C (41°F) | 87 mm (3.4 inches) | 81% | high |
April Weather | 10°C (50°F) | 81 mm (3.2 inches) | 82% | very high |
May Weather | 17°C (63°F) | 151 mm (5.9 inches) | 78% | very high |
June Weather | 24°C (75°F) | 137 mm (5.4 inches) | 81% | extreme |
July Weather | 25°C (77°F) | 70 mm (2.8 inches) | 79% | very high |
August Weather | 23°C (74°F) | 70 mm (2.8 inches) | 77% | very high |
September Weather | 20°C (69°F) | 121 mm (4.8 inches) | 78% | very high |
October Weather | 12°C (54°F) | 126 mm (5.0 inches) | 78% | high |
November Weather | 4°C (39°F) | 52 mm (2.1 inches) | 87% | moderate |
December Weather | 0°C (32°F) | 45 mm (1.8 inches) | 84% | moderate |