Last updated: August 22, 2025
In December, the average temperature in Bella Vista, Argentina is a pleasant 24°C (75°F). However, temperatures can fluctuate, reaching a minimum of 13°C (56°F) and soaring up to a maximum of 38°C (101°F). Be prepared for some rain, as precipitation amounts to 188 mm (7.4 in) over 17 days, and expect a humidity level of around 74%.
In December, in Bella Vista, the average temperature is 24°C (75°F). The maximum can reach 38°C (101°F), and the minimum can be as low as 13°C (56°F). This climate makes it an ideal destination for travelers seeking warm weather and diverse outdoor activities.
In Bella Vista in December, the precipitation amount is 188 mm (7.4 in) over the course of 17 days.
In Bella Vista in December, humidity is 74%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both sticky and exhilarating, as the heat clings to your skin while inviting you to seek out refreshing breezes or cool shade.
In Bella Vista in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Bella Vista.
UV Risk Categories
Weather in Bella Vista varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bella Vista, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 225 mm (8.9 inches) | 79% | extreme |
| February Weather | 23°C (74°F) | 257 mm (10.1 inches) | 81% | extreme |
| March Weather | 21°C (71°F) | 208 mm (8.2 inches) | 83% | extreme |
| April Weather | 19°C (67°F) | 180 mm (7.1 inches) | 85% | very high |
| May Weather | 15°C (59°F) | 111 mm (4.4 inches) | 75% | high |
| June Weather | 12°C (53°F) | 44 mm (1.7 inches) | 62% | moderate |
| July Weather | 11°C (53°F) | 22 mm (0.9 inches) | 53% | high |
| August Weather | 14°C (58°F) | 15 mm (0.6 inches) | 44% | high |
| September Weather | 18°C (65°F) | 50 mm (2.0 inches) | 58% | very high |
| October Weather | 21°C (70°F) | 103 mm (4.0 inches) | 54% | extreme |
| November Weather | 23°C (73°F) | 169 mm (6.7 inches) | 66% | extreme |
| December Weather | 24°C (75°F) | 188 mm (7.4 inches) | 74% | extreme |