Last updated: June 24, 2025
In May, the average temperature in San Angelo, United States hovers around 24°C (76°F). However, be prepared for a wide range; temperatures can dip to a chilly 6°C (44°F) or soar up to 41°C (106°F). Rainfall is also a factor, with 103 mm (4.0 in) of precipitation occurring over approximately 11 days. With an average humidity of 77%, expect a warm and somewhat muggy atmosphere as you explore this beautiful destination!
In May in San Angelo, the average temperature is 24°C (76°F). The maximum can reach 41°C (106°F), while the minimum can drop to as low as 6°C (44°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both light clothing for the heat and warmer layers for the cooler evenings.
In San Angelo in May, the total precipitation amount is 103 mm (4.0 in), occurring over the course of 11 days.
In San Angelo in May humidity is 77%. With an average temperature of 24°C (76°F), this humidity feels like traveling through a warm, heavy blanket that clings to your skin, making each step feel like a gentle workout as the air wraps around you, urging you to move at a leisurely pace and seek out shade whenever possible.
In San Angelo in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Angelo.
UV Risk Categories
Weather in San Angelo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Angelo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 25 mm (1.0 inches) | 74% | moderate |
| February Weather | 10°C (50°F) | 23 mm (0.9 inches) | 74% | high |
| March Weather | 16°C (61°F) | 51 mm (2.0 inches) | 68% | very high |
| April Weather | 19°C (67°F) | 49 mm (1.9 inches) | 70% | extreme |
| May Weather | 24°C (76°F) | 103 mm (4.0 inches) | 77% | extreme |
| June Weather | 28°C (82°F) | 49 mm (1.9 inches) | 76% | extreme |
| July Weather | 29°C (85°F) | 21 mm (0.8 inches) | 66% | extreme |
| August Weather | 29°C (85°F) | 35 mm (1.4 inches) | 60% | extreme |
| September Weather | 26°C (78°F) | 71 mm (2.8 inches) | 67% | extreme |
| October Weather | 20°C (68°F) | 56 mm (2.2 inches) | 72% | very high |
| November Weather | 14°C (57°F) | 28 mm (1.1 inches) | 83% | high |
| December Weather | 11°C (51°F) | 25 mm (1.0 inches) | 85% | moderate |