Last updated: June 24, 2025
In May, the average temperature in Dulles Town Center, United States is a pleasant 19°C (66°F), with a minimum of 2°C (35°F) and a maximum soaring up to 34°C (94°F). Expect around 131 mm (5.2 in) of precipitation spread over 13 days, while the air carries a humidity level of 78%. Be prepared for a mix of warmth and refreshing rain!
In May in Dulles Town Center, the average temperature is 19°C (66°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as 2°C (35°F). Travelers should pack for a wide range of temperatures, from warm days to chilly nights.
In Dulles Town Center in May, the precipitation amount is 131 mm (5.2 in) over the course of 13 days.
In Dulles Town Center in May, humidity is 78%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making traveling quite uncomfortable unless you're well-prepared with lightweight, breathable clothing and frequent breaks to stay hydrated.
In Dulles Town Center 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 Dulles Town Center.
UV Risk Categories
Weather in Dulles Town Center varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Dulles Town Center, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 59 mm (2.3 inches) | 86% | moderate |
| February Weather | 5°C (41°F) | 97 mm (3.8 inches) | 86% | moderate |
| March Weather | 8°C (46°F) | 83 mm (3.3 inches) | 86% | high |
| April Weather | 13°C (56°F) | 100 mm (3.9 inches) | 84% | very high |
| May Weather | 19°C (66°F) | 131 mm (5.2 inches) | 78% | very high |
| June Weather | 24°C (75°F) | 110 mm (4.3 inches) | 79% | very high |
| July Weather | 27°C (80°F) | 126 mm (5.0 inches) | 70% | very high |
| August Weather | 25°C (77°F) | 137 mm (5.4 inches) | 59% | very high |
| September Weather | 22°C (71°F) | 102 mm (4.0 inches) | 68% | very high |
| October Weather | 16°C (62°F) | 105 mm (4.1 inches) | 80% | high |
| November Weather | 8°C (47°F) | 87 mm (3.4 inches) | 86% | moderate |
| December Weather | 4°C (40°F) | 92 mm (3.6 inches) | 85% | moderate |