Last updated: June 24, 2025
In April, the average temperature in San Antonio Heights, United States hovers around 15°C (59°F). Expect temperatures to range from a brisk 4°C (39°F) to a warm 32°C (89°F). During this month, you'll experience an average of 25 mm (1.0 in) of precipitation spread over 2 days, with humidity levels around 68%. Perfect for those who enjoy a bit of contrast in their weather!
In April in San Antonio Heights, the average temperature is 15°C (59°F). The maximum can reach 32°C (89°F), while the minimum can drop to as low as 4°C (39°F). Be prepared for a range of temperatures to make the most of your travel experience!
In San Antonio Heights in April, the precipitation amount is 25 mm (1.0 in) over the course of 2 days.
In San Antonio Heights in April, humidity is 68%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls and sightseeing, but travelers should be prepared for occasional discomfort as the mugginess can dampen outdoor activities.
In San Antonio Heights in April, 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 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 April’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 |