Last updated: June 24, 2025
In May, the average temperature in Crystal City, United States sits at a mild 19°C (67°F), with temperatures ranging from a cool 4°C (39°F) to a warm 33°C (92°F). Expect a fair amount of rain, with 143 mm (5.6 in) of precipitation over approximately 14 days. Additionally, humidity levels are typically high, averaging around 82%, adding to the overall feel of the season.
In May in Crystal City, the average temperature is 19°C (67°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 4°C (39°F). This diverse range of temperatures makes Crystal City a suitable destination for travelers seeking both warm and cooler weather experiences.
In Crystal City in May, the total precipitation amount is 143 mm (5.6 in), spread over a duration of 14 days.
In Crystal City in May humidity is 82%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket wrapping around you, making each step feel sluggish and the air thick as you explore the sights.
In Crystal City 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 Crystal City.
UV Risk Categories
Weather in Crystal City varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Crystal City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 77 mm (3.0 inches) | 82% | moderate |
| February Weather | 2°C (37°F) | 84 mm (3.3 inches) | 80% | moderate |
| March Weather | 9°C (48°F) | 132 mm (5.2 inches) | 80% | high |
| April Weather | 13°C (56°F) | 137 mm (5.4 inches) | 80% | very high |
| May Weather | 19°C (67°F) | 143 mm (5.6 inches) | 82% | very high |
| June Weather | 24°C (76°F) | 88 mm (3.5 inches) | 83% | extreme |
| July Weather | 26°C (80°F) | 89 mm (3.5 inches) | 81% | very high |
| August Weather | 25°C (76°F) | 124 mm (4.9 inches) | 80% | very high |
| September Weather | 22°C (72°F) | 68 mm (2.7 inches) | 76% | very high |
| October Weather | 15°C (59°F) | 104 mm (4.1 inches) | 76% | high |
| November Weather | 7°C (45°F) | 71 mm (2.8 inches) | 85% | moderate |
| December Weather | 4°C (40°F) | 62 mm (2.5 inches) | 86% | moderate |