Last updated: August 22, 2025
In Dos de Mayo, Argentina, the average temperature in December hovers around 25°C (77°F). Expect a minimum of 12°C (54°F) and a maximum reaching up to 37°C (98°F). Be prepared for precipitation totaling about 113 mm (4.4 in) over 13 days, accompanied by a high average humidity of 85%.
In December in Dos de Mayo, the average temperature is 25°C (77°F). Maximums can reach 37°C (98°F) and minimums can be as low as 12°C (54°F). It's an ideal time for travelers seeking warm weather while also enjoying some cooler evenings.
In Dos de Mayo in December, the precipitation amount is 113 mm (4.4 in) over the course of 13 days.
In Dos de Mayo in December, humidity is 85%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket wrapping around you, making every outdoor excursion feel both stifling and sticky, requiring frequent breaks in the shade to stay comfortable while exploring.
In Dos de Mayo 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 Dos de Mayo, you can check here.
UV Risk Categories
Weather in Dos de Mayo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Dos de Mayo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 169 mm (6.7 inches) | 79% | extreme |
| February Weather | 24°C (76°F) | 112 mm (4.4 inches) | 74% | extreme |
| March Weather | 23°C (74°F) | 108 mm (4.3 inches) | 72% | extreme |
| April Weather | 21°C (70°F) | 112 mm (4.4 inches) | 78% | very high |
| May Weather | 17°C (64°F) | 202 mm (7.9 inches) | 82% | high |
| June Weather | 16°C (61°F) | 139 mm (5.5 inches) | 78% | moderate |
| July Weather | 15°C (60°F) | 95 mm (3.7 inches) | 73% | high |
| August Weather | 17°C (64°F) | 65 mm (2.6 inches) | 58% | high |
| September Weather | 20°C (69°F) | 119 mm (4.7 inches) | 62% | very high |
| October Weather | 21°C (71°F) | 210 mm (8.3 inches) | 65% | extreme |
| November Weather | 23°C (74°F) | 158 mm (6.2 inches) | 76% | extreme |
| December Weather | 25°C (77°F) | 113 mm (4.4 inches) | 85% | extreme |