Last updated: August 22, 2025
In December, the average temperature in San Miguel, Argentina is a warm 27°C (80°F), making it a delightful time to explore. Expect a minimum temperature of 13°C (55°F) and a scorching maximum reaching 40°C (105°F). During this month, the region receives about 119 mm (4.7 in) of precipitation spread over 8 days, resulting in an average humidity of 75%. Prepare for a mix of sun and occasional showers while enjoying the vibrant atmosphere!
In December in San Miguel, the average temperature is 27°C (80°F). Maximums can reach 40°C (105°F) and minimums can be as low as 13°C (55°F). Travelers should be prepared for warm days and cooler nights, making it ideal for outdoor activities and evening strolls.
In San Miguel in December, the precipitation amount is 119 mm (4.7 in) over a span of 8 days.
In San Miguel in December humidity is 75%. With an average temperature of 27°C (80°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit more challenging, as every step can leave you feeling sticky and in need of frequent hydration breaks.
In San Miguel in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Miguel, you can check here.
UV Risk Categories
Weather in San Miguel varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Miguel, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 28°C (82°F) | 159 mm (6.3 inches) | 66% | extreme |
| February Weather | 27°C (80°F) | 69 mm (2.7 inches) | 61% | extreme |
| March Weather | 25°C (77°F) | 135 mm (5.3 inches) | 71% | extreme |
| April Weather | 22°C (72°F) | 124 mm (4.9 inches) | 81% | very high |
| May Weather | 18°C (65°F) | 135 mm (5.3 inches) | 84% | high |
| June Weather | 16°C (62°F) | 79 mm (3.1 inches) | 76% | moderate |
| July Weather | 15°C (60°F) | 54 mm (2.1 inches) | 64% | moderate |
| August Weather | 17°C (63°F) | 59 mm (2.3 inches) | 46% | high |
| September Weather | 20°C (68°F) | 100 mm (3.9 inches) | 55% | very high |
| October Weather | 23°C (73°F) | 103 mm (4.1 inches) | 57% | extreme |
| November Weather | 25°C (77°F) | 138 mm (5.4 inches) | 59% | extreme |
| December Weather | 27°C (80°F) | 119 mm (4.7 inches) | 75% | extreme |