Last updated: June 24, 2025
In May, the average temperature in Richmond, United States is a pleasant 18°C (64°F). However, be prepared for some variability, as temperatures can dip to a minimum of -1°C (30°F) and soar up to a maximum of 33°C (91°F). With approximately 134 mm (5.3 in) of precipitation over about 14 days, and an average humidity of 79%, it's a month to keep your umbrella handy while enjoying the warm days ahead!
In May in Richmond, the average temperature is 18°C (64°F). Maximums can reach 33°C (91°F) and minimums can drop as low as -1°C (30°F). This variance in temperature makes it essential for travelers to pack accordingly, ensuring comfort whether exploring warm days or cooler nights.
In Richmond in May, the total precipitation amount is 134 mm (5.3 in) over the course of 14 days.
In Richmond in May, humidity is 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.
In Richmond in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Richmond.
UV Risk Categories
Weather in Richmond varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Richmond, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 78 mm (3.1 inches) | 87% | moderate |
| February Weather | 1°C (34°F) | 99 mm (3.9 inches) | 85% | moderate |
| March Weather | 6°C (42°F) | 128 mm (5.0 inches) | 86% | high |
| April Weather | 11°C (52°F) | 104 mm (4.1 inches) | 84% | very high |
| May Weather | 18°C (64°F) | 134 mm (5.3 inches) | 79% | very high |
| June Weather | 22°C (72°F) | 122 mm (4.8 inches) | 82% | extreme |
| July Weather | 24°C (76°F) | 108 mm (4.3 inches) | 79% | very high |
| August Weather | 23°C (73°F) | 89 mm (3.5 inches) | 70% | very high |
| September Weather | 20°C (69°F) | 88 mm (3.5 inches) | 69% | very high |
| October Weather | 14°C (57°F) | 98 mm (3.9 inches) | 76% | high |
| November Weather | 5°C (42°F) | 97 mm (3.8 inches) | 88% | moderate |
| December Weather | 2°C (36°F) | 91 mm (3.6 inches) | 87% | moderate |