Last updated: August 28, 2025
In July, the average temperature in San Antonio, Uruguay hovers around 11°C (52°F), with a minimum of -1°C (30°F) and a maximum reaching up to 26°C (79°F). Expect 101 mm (4.0 in) of precipitation spread over 9 days, contributing to an average humidity level of 72%. Whether you’re dressing for cooler days or occasional warmth, be prepared for a mix of conditions!
In July in San Antonio, the average temperature is 11°C (52°F), with a maximum that can reach 26°C (79°F) and a minimum that can be as low as -1°C (30°F). It's a great time to experience diverse weather conditions, so be sure to pack accordingly for your travels!
In San Antonio in July, the total precipitation amount is 101 mm (4.0 in), occurring over a span of 9 days.
In San Antonio in July, humidity is 72%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, often leaving travelers feeling slightly cold and clammy unless they are dressed in layers.
In San Antonio in July, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in San Antonio for better planning.
UV Risk Categories
Weather in San Antonio varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in San Antonio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 24°C (75°F) | 69 mm (2.7 inches) | 63% | extreme |
| February Weather | 23°C (73°F) | 97 mm (3.8 inches) | 69% | extreme |
| March Weather | 21°C (70°F) | 75 mm (2.9 inches) | 73% | extreme |
| April Weather | 18°C (65°F) | 75 mm (3.0 inches) | 79% | high |
| May Weather | 14°C (58°F) | 109 mm (4.3 inches) | 82% | moderate |
| June Weather | 12°C (54°F) | 106 mm (4.2 inches) | 80% | moderate |
| July Weather | 11°C (52°F) | 101 mm (4.0 inches) | 72% | moderate |
| August Weather | 12°C (54°F) | 90 mm (3.5 inches) | 72% | high |
| September Weather | 14°C (58°F) | 86 mm (3.4 inches) | 76% | very high |
| October Weather | 16°C (61°F) | 91 mm (3.6 inches) | 71% | extreme |
| November Weather | 19°C (67°F) | 67 mm (2.6 inches) | 68% | extreme |
| December Weather | 22°C (72°F) | 65 mm (2.5 inches) | 65% | extreme |