Last updated: August 22, 2025
In December, the average temperature in Santa Elena, Argentina is a pleasant 24°C (76°F), with minimums dipping to 10°C (50°F) and maximums soaring up to 38°C (100°F). Expect about 85 mm (3.4 in) of precipitation spread over 6 days, while the average humidity lingers at a moderate 68%.
In December in Santa Elena, the average temperature is 24°C (76°F). The maximum can reach 38°C (100°F) and the minimum can be as low as 10°C (50°F). This makes Santa Elena an ideal destination for travelers seeking warm weather while still having the option for cooler evenings.
In Santa Elena in December, the total precipitation amount is 85 mm (3.4 in) over the course of 6 days.
In Santa Elena in December humidity is 68%. With an average temperature of 24°C (76°F), this humidity feels like a warm, steamy embrace that makes traveling both invigorating and slightly exhausting, as the air clings to your skin and encourages leisurely breaks in the shade.
In Santa Elena 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 Santa Elena, you can check here.
UV Risk Categories
Weather in Santa Elena varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Elena, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 26°C (79°F) | 110 mm (4.3 inches) | 59% | extreme |
| February Weather | 24°C (76°F) | 102 mm (4.0 inches) | 56% | extreme |
| March Weather | 22°C (73°F) | 87 mm (3.4 inches) | 69% | extreme |
| April Weather | 20°C (68°F) | 101 mm (4.0 inches) | 78% | very high |
| May Weather | 16°C (60°F) | 120 mm (4.7 inches) | 82% | high |
| June Weather | 13°C (56°F) | 71 mm (2.8 inches) | 81% | moderate |
| July Weather | 12°C (54°F) | 58 mm (2.3 inches) | 66% | moderate |
| August Weather | 14°C (58°F) | 74 mm (2.9 inches) | 54% | high |
| September Weather | 17°C (63°F) | 76 mm (3.0 inches) | 60% | very high |
| October Weather | 19°C (67°F) | 97 mm (3.8 inches) | 59% | extreme |
| November Weather | 23°C (73°F) | 80 mm (3.2 inches) | 57% | extreme |
| December Weather | 24°C (76°F) | 85 mm (3.4 inches) | 68% | extreme |