Last updated: August 22, 2025
In Primero de Mayo, Argentina, the average temperature in December hovers around 26°C (79°F), providing a comfortable climate for outdoor activities. Expect a range of temperatures, with a minimum of 12°C (54°F) and a maximum that can soar to 40°C (104°F). During this month, precipitation is fairly low, averaging just 18 mm (0.7 in) over 3 days, while humidity remains at a manageable 35%. Enjoy the vibrant weather of Primero de Mayo!
In December in Primero de Mayo, the average temperature is 26°C (79°F). Maximums can reach 40°C (104°F), and minimums can be as low as 12°C (54°F). Be sure to pack appropriately for varying temperatures during your travels.
In Primero de Mayo in December, the precipitation amount is 18 mm (0.7 in) over a span of 3 days.
In Primero de Mayo in December humidity is 35%. With an average temperature of 26°C (79°F), this humidity feels like a refreshing breeze that makes traveling enjoyable and comfortable, allowing you to explore without feeling overheated or sticky.
In Primero de Mayo 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 Primero de Mayo.
UV Risk Categories
Weather in Primero de Mayo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Primero de Mayo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 28°C (82°F) | 18 mm (0.7 inches) | 40% | extreme |
| February Weather | 26°C (79°F) | 11 mm (0.4 inches) | 46% | extreme |
| March Weather | 23°C (73°F) | 20 mm (0.8 inches) | 54% | extreme |
| April Weather | 19°C (66°F) | 14 mm (0.5 inches) | 65% | very high |
| May Weather | 13°C (56°F) | 13 mm (0.5 inches) | 69% | high |
| June Weather | 9°C (49°F) | 3 mm (0.1 inches) | 64% | moderate |
| July Weather | 8°C (48°F) | 3 mm (0.1 inches) | 65% | moderate |
| August Weather | 12°C (54°F) | 3 mm (0.1 inches) | 60% | high |
| September Weather | 16°C (61°F) | 7 mm (0.3 inches) | 51% | very high |
| October Weather | 20°C (68°F) | 12 mm (0.5 inches) | 49% | extreme |
| November Weather | 24°C (75°F) | 12 mm (0.5 inches) | 44% | extreme |
| December Weather | 26°C (79°F) | 18 mm (0.7 inches) | 35% | extreme |