Last updated: June 24, 2025
In San Antonio Heights, United States, the average temperature in May hovers around 17°C (62°F). You can expect a minimum of 3°C (38°F) and a maximum of 32°C (90°F). During this time, precipitation typically totals 20 mm (0.8 in) spread over 4 days, with an average humidity of 57%.
In May in San Antonio Heights, the average temperature is 17°C (62°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 3°C (38°F). This diverse temperature range makes San Antonio Heights an ideal destination for travelers seeking both warmth and cool, pleasant evenings.
In San Antonio Heights in May, the total precipitation amount is 20 mm (0.8 in) spread over a period of 4 days.
In San Antonio Heights in May, humidity is 57%. With an average temperature of 17°C (62°F), this humidity feels like a refreshing embrace, making it quite pleasant for traveling as long as you stay hydrated and take a leisurely pace to enjoy the surroundings.
In San Antonio Heights in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Antonio Heights.
UV Risk Categories
Weather in San Antonio Heights varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Antonio Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 10°C (50°F) | 77 mm (3.0 inches) | 78% | moderate |
| February Weather | 10°C (50°F) | 73 mm (2.9 inches) | 82% | high |
| March Weather | 11°C (53°F) | 79 mm (3.1 inches) | 75% | very high |
| April Weather | 15°C (59°F) | 25 mm (1.0 inches) | 68% | very high |
| May Weather | 17°C (62°F) | 20 mm (0.8 inches) | 57% | extreme |
| June Weather | 21°C (71°F) | 3 mm (0.1 inches) | 52% | extreme |
| July Weather | 25°C (77°F) | 6 mm (0.2 inches) | 46% | extreme |
| August Weather | 25°C (77°F) | 9 mm (0.4 inches) | 39% | extreme |
| September Weather | 23°C (73°F) | 6 mm (0.2 inches) | 48% | very high |
| October Weather | 18°C (65°F) | 11 mm (0.4 inches) | 59% | high |
| November Weather | 14°C (58°F) | 25 mm (1.0 inches) | 72% | moderate |
| December Weather | 10°C (50°F) | 79 mm (3.1 inches) | 76% | moderate |