Last updated: August 22, 2025
In December, the average temperature in Valle Grande, Argentina hovers around 15°C (59°F), offering a pleasant climate for outdoor activities. Expect a range from a cool 5°C (42°F) to a warm 26°C (79°F). However, be prepared for some rain, as 345 mm (13.6 in) of precipitation is expected over 29 days, contributing to an average humidity of 76%.
In December in Valle Grande, the average temperature is 15°C (59°F). The maximum can reach 26°C (79°F), and the minimum can be as low as 5°C (42°F). This makes it a great time to explore Valle Grande while enjoying mild and comfortable weather.
In Valle Grande, in December, the precipitation amount is 345 mm (13.6 in) over the course of 29 days.
In Valle Grande in December humidity is 76%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities less enjoyable and often leading to a quick sense of fatigue while traveling.
In Valle Grande in December, the maximum UV index is 18, which corresponds to an extreme exposure category. This means that the time to burn is just 10 minutes. For more detailed information, you can check the hourly UV index in Valle Grande.
UV Risk Categories
Weather in Valle Grande varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Valle Grande, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 313 mm (12.3 inches) | 85% | extreme |
| February Weather | 15°C (59°F) | 336 mm (13.2 inches) | 88% | extreme |
| March Weather | 14°C (57°F) | 314 mm (12.4 inches) | 88% | extreme |
| April Weather | 13°C (55°F) | 263 mm (10.4 inches) | 85% | extreme |
| May Weather | 10°C (50°F) | 85 mm (3.4 inches) | 76% | very high |
| June Weather | 8°C (47°F) | 26 mm (1.0 inches) | 58% | high |
| July Weather | 8°C (46°F) | 20 mm (0.8 inches) | 49% | very high |
| August Weather | 9°C (48°F) | 25 mm (1.0 inches) | 43% | extreme |
| September Weather | 12°C (53°F) | 57 mm (2.2 inches) | 59% | extreme |
| October Weather | 14°C (57°F) | 128 mm (5.1 inches) | 60% | extreme |
| November Weather | 14°C (58°F) | 245 mm (9.7 inches) | 69% | extreme |
| December Weather | 15°C (59°F) | 345 mm (13.6 inches) | 76% | extreme |