Last updated: August 22, 2025
In June, the average temperature in San Justo, Argentina sits at a mild 13°C (55°F). You'll experience a range with minimum temperatures dipping to -2°C (29°F) and soaring as high as 28°C (83°F). Prepare for light rain, as you can expect about 60 mm (2.4 in) of precipitation over approximately 5 days. With an average humidity of 78%, it's a great time to enjoy the refreshing atmosphere!
In June in San Justo, the average temperature is 13°C (55°F), with maximums reaching up to 28°C (83°F) and minimums dropping to as low as -2°C (29°F). This range makes San Justo an ideal destination for travelers seeking a mix of mild and varied weather.
In San Justo in June, the total precipitation amount is 60 mm (2.4 in) over a span of 5 days.
In San Justo in June, humidity is 78%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket enveloping you, making outdoor activities feel steamy and your clothes cling uncomfortably, often leaving you longing for a cool breeze or an air-conditioned escape while exploring.
In San Justo in June, 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 Justo for better planning.
UV Risk Categories
Weather in San Justo varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in San Justo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 26°C (79°F) | 130 mm (5.1 inches) | 51% | extreme |
| February Weather | 24°C (76°F) | 123 mm (4.8 inches) | 57% | extreme |
| March Weather | 22°C (72°F) | 105 mm (4.1 inches) | 65% | extreme |
| April Weather | 20°C (68°F) | 97 mm (3.8 inches) | 76% | very high |
| May Weather | 16°C (60°F) | 117 mm (4.6 inches) | 83% | high |
| June Weather | 13°C (55°F) | 60 mm (2.4 inches) | 78% | moderate |
| July Weather | 12°C (54°F) | 44 mm (1.7 inches) | 58% | moderate |
| August Weather | 14°C (57°F) | 62 mm (2.5 inches) | 54% | high |
| September Weather | 17°C (63°F) | 59 mm (2.3 inches) | 59% | very high |
| October Weather | 20°C (67°F) | 111 mm (4.4 inches) | 50% | extreme |
| November Weather | 23°C (73°F) | 86 mm (3.4 inches) | 53% | extreme |
| December Weather | 25°C (77°F) | 82 mm (3.2 inches) | 57% | extreme |