Last updated: June 24, 2025
In March, the average temperature in Rockville, United States hovers around 6°C (43°F), with fluctuations ranging from a chilly -17°C (2°F) to a mild 23°C (74°F). Expect about 122 mm (4.8 in) of precipitation over approximately 13 days, contributing to an average humidity of 86%. Whether you're bundling up or seeking refuge from the rain, this month offers a true taste of the climate in Rockville.
In March in Rockville, the average temperature is 6°C (43°F). The maximum can reach 23°C (74°F), and the minimum can be as low as -17°C (2°F). Be prepared for a wide range of temperatures when traveling during this month, ensuring you have both warm and cool clothing options.
In Rockville in March, the precipitation amount is 122 mm (4.8 in) recorded over a span of 13 days.
In Rockville in March humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.
In Rockville 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 Rockville, you can refer to this Hourly UV Index in Rockville.
UV Risk Categories
Weather in Rockville varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Rockville, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -1°C (30°F) | 84 mm (3.3 inches) | 87% | moderate |
February Weather | 1°C (33°F) | 88 mm (3.5 inches) | 85% | moderate |
March Weather | 6°C (43°F) | 122 mm (4.8 inches) | 86% | high |
April Weather | 11°C (53°F) | 106 mm (4.2 inches) | 84% | very high |
May Weather | 18°C (65°F) | 140 mm (5.5 inches) | 79% | very high |
June Weather | 24°C (75°F) | 113 mm (4.5 inches) | 82% | extreme |
July Weather | 25°C (78°F) | 103 mm (4.1 inches) | 79% | very high |
August Weather | 24°C (75°F) | 100 mm (3.9 inches) | 70% | very high |
September Weather | 21°C (71°F) | 64 mm (2.5 inches) | 69% | very high |
October Weather | 14°C (58°F) | 118 mm (4.6 inches) | 76% | high |
November Weather | 5°C (42°F) | 87 mm (3.4 inches) | 88% | moderate |
December Weather | 2°C (36°F) | 75 mm (3.0 inches) | 87% | moderate |