Last updated: June 24, 2025
In May, the average temperature in Arlington, United States hovers around 14°C (57°F). Temperatures can vary significantly, with minimums plummeting to -1°C (31°F) and soaring to a maximum of 33°C (91°F). Expect approximately 93 mm (3.7 in) of precipitation over 11 days, accompanied by an average humidity level of 76%. Perfect for those who enjoy a diverse climate!
In May in Arlington, the average temperature is 14°C (57°F). Maximums can reach 33°C (91°F), and minimums can drop as low as -1°C (31°F). This wide temperature range makes it essential for travelers to pack accordingly for both warm days and cool nights.
In Arlington in May, the precipitation amount is 93 mm (3.7 in) over the course of 11 days, indicating that rain is expected to be fairly frequent during that time.
In Arlington in May humidity is 76%. With an average temperature of 14°C (57°F), this humidity feels like a warm blanket wrapped around you, creating a heavy atmosphere that can make outdoor activities feel sluggish and stifling, urging travelers to seek shade and refreshment more frequently.
In Arlington in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Arlington.
UV Risk Categories
Weather in Arlington varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Arlington, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (17°F) | 20 mm (0.8 inches) | 85% | moderate |
| February Weather | -9°C (17°F) | 20 mm (0.8 inches) | 89% | moderate |
| March Weather | 0°C (33°F) | 59 mm (2.3 inches) | 81% | moderate |
| April Weather | 6°C (42°F) | 75 mm (2.9 inches) | 82% | very high |
| May Weather | 14°C (57°F) | 93 mm (3.7 inches) | 76% | very high |
| June Weather | 22°C (71°F) | 74 mm (2.9 inches) | 81% | very high |
| July Weather | 23°C (74°F) | 102 mm (4.0 inches) | 82% | very high |
| August Weather | 21°C (71°F) | 106 mm (4.2 inches) | 83% | very high |
| September Weather | 18°C (64°F) | 98 mm (3.8 inches) | 82% | very high |
| October Weather | 8°C (47°F) | 75 mm (2.9 inches) | 82% | moderate |
| November Weather | 1°C (34°F) | 25 mm (1.0 inches) | 87% | moderate |
| December Weather | -4°C (25°F) | 32 mm (1.3 inches) | 84% | low |