Last updated: August 28, 2025
In December, the average temperature in Nueva Helvecia, Uruguay hovers around 23°C (73°F). Expect a noticeable range, with minimum temperatures dipping to 7°C (46°F) and maximums soaring to 37°C (99°F). This month typically brings 72 mm (2.8 in) of precipitation spread over 6 days, while the average humidity sits comfortably at 65%.
In December in Nueva Helvecia, the average temperature is 23°C (73°F). Maximum temperatures can reach 37°C (99°F), while minimums can drop as low as 7°C (46°F). This provides a diverse climate, making it essential for travelers to pack both light clothing for the heat and warmer layers for cooler evenings.
In Nueva Helvecia in December, the total precipitation amount is 72 mm (2.8 in) over the course of 6 days.
In Nueva Helvecia in December, humidity is 65%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace that can make outdoor adventures a bit more strenuous, requiring frequent breaks and hydration but also creating a lush, vibrant atmosphere perfect for exploration.
In Nueva Helvecia 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 Nueva Helvecia, you can check here.
UV Risk Categories
Weather in Nueva Helvecia varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nueva Helvecia, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 24°C (76°F) | 85 mm (3.4 inches) | 63% | extreme |
| February Weather | 23°C (73°F) | 110 mm (4.3 inches) | 69% | extreme |
| March Weather | 21°C (70°F) | 95 mm (3.7 inches) | 73% | extreme |
| April Weather | 18°C (65°F) | 70 mm (2.8 inches) | 79% | high |
| May Weather | 14°C (58°F) | 89 mm (3.5 inches) | 82% | moderate |
| June Weather | 12°C (54°F) | 75 mm (3.0 inches) | 80% | moderate |
| July Weather | 11°C (52°F) | 86 mm (3.4 inches) | 72% | moderate |
| August Weather | 12°C (54°F) | 75 mm (3.0 inches) | 72% | high |
| September Weather | 14°C (58°F) | 76 mm (3.0 inches) | 76% | very high |
| October Weather | 17°C (62°F) | 91 mm (3.6 inches) | 71% | very high |
| November Weather | 20°C (69°F) | 67 mm (2.6 inches) | 68% | extreme |
| December Weather | 23°C (73°F) | 72 mm (2.8 inches) | 65% | extreme |