Last updated: August 22, 2025
In August, the average temperature in San Justo, Argentina hovers around 13°C (56°F), making it a mild yet unpredictable time of year. Expect temperature extremes from a chilly -2°C (29°F) to a pleasantly warm 29°C (84°F). With an average precipitation of 81 mm (3.2 in) spread over 6 days, and a relative humidity level of 65%, be prepared for a mix of comfort and occasional wet weather.
In August in San Justo, the average temperature is 13°C (56°F). The maximum can reach 29°C (84°F), while the minimum can dip as low as -2°C (29°F). This makes San Justo a versatile destination for travelers, offering both mild days and cooler nights for various activities.
In San Justo in August, the total precipitation amount is 81 mm (3.2 in), which is recorded over a span of 6 days.
In San Justo in August humidity is 65%. With an average temperature of 13°C (56°F), this humidity feels like a cool, refreshing embrace, providing a pleasant backdrop for traveling as long as you're prepared for the occasional dampness in the air.
In San Justo in August, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in San Justo, you can refer to this Hourly UV Index in San Justo.
UV Risk Categories
Weather in San Justo varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in San Justo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (78°F) | 125 mm (4.9 inches) | 54% | extreme |
| February Weather | 24°C (75°F) | 103 mm (4.1 inches) | 61% | extreme |
| March Weather | 22°C (71°F) | 95 mm (3.7 inches) | 69% | extreme |
| April Weather | 19°C (67°F) | 94 mm (3.7 inches) | 79% | very high |
| May Weather | 15°C (59°F) | 97 mm (3.8 inches) | 85% | moderate |
| June Weather | 12°C (55°F) | 72 mm (2.9 inches) | 82% | moderate |
| July Weather | 11°C (53°F) | 59 mm (2.3 inches) | 69% | moderate |
| August Weather | 13°C (56°F) | 81 mm (3.2 inches) | 65% | high |
| September Weather | 16°C (61°F) | 90 mm (3.5 inches) | 70% | very high |
| October Weather | 18°C (65°F) | 112 mm (4.4 inches) | 63% | extreme |
| November Weather | 22°C (72°F) | 71 mm (2.8 inches) | 60% | extreme |
| December Weather | 24°C (75°F) | 128 mm (5.0 inches) | 63% | extreme |