Last updated: August 22, 2025
In December, the average temperature in Gualeguay, Argentina is a pleasant 24°C (75°F). However, be prepared for a temperature range that can dip to a cool 9°C (49°F) and soar up to a sizzling 38°C (101°F). With an anticipated precipitation of 90 mm (3.6 in) over approximately 7 days, don't forget your umbrella! The average humidity hovers around 63%, adding a touch of tropical flair to your experience.
In December, in Gualeguay, the average temperature is 24°C (75°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 9°C (49°F). This variation in temperature makes it advisable for travelers to pack a range of clothing to accommodate both warm days and cooler evenings.
In Gualeguay in December, the total precipitation amount is 90 mm (3.6 in) over a period of 7 days.
In Gualeguay in December humidity is 63%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making travel both enjoyable and slightly sticky, encouraging visitors to explore the outdoors while seeking shade intermittently.
In Gualeguay 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 Gualeguay, you can check here.
UV Risk Categories
Weather in Gualeguay varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Gualeguay, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (78°F) | 99 mm (3.9 inches) | 54% | extreme |
| February Weather | 24°C (75°F) | 80 mm (3.2 inches) | 61% | extreme |
| March Weather | 22°C (71°F) | 95 mm (3.7 inches) | 69% | extreme |
| April Weather | 19°C (66°F) | 95 mm (3.7 inches) | 79% | very high |
| May Weather | 15°C (59°F) | 83 mm (3.3 inches) | 85% | moderate |
| June Weather | 12°C (54°F) | 50 mm (2.0 inches) | 82% | moderate |
| July Weather | 11°C (52°F) | 50 mm (2.0 inches) | 69% | moderate |
| August Weather | 13°C (55°F) | 56 mm (2.2 inches) | 65% | high |
| September Weather | 15°C (60°F) | 85 mm (3.4 inches) | 70% | very high |
| October Weather | 18°C (64°F) | 75 mm (3.0 inches) | 63% | extreme |
| November Weather | 22°C (71°F) | 71 mm (2.8 inches) | 60% | extreme |
| December Weather | 24°C (75°F) | 90 mm (3.6 inches) | 63% | extreme |