Last updated: August 27, 2025
In San Nicolas Buenos Aires, Mexico, the average temperature in December hovers around 13°C (55°F), with a range that can dip to a brisk -2°C (28°F) and peak at a pleasant 24°C (76°F). Expect 10 mm (0.4 in) of precipitation spread over about 3 days, contributing to a moist atmosphere with an average humidity of 88%.
In December in San Nicolas Buenos Aires, the average temperature is 13°C (55°F). Maximums can reach 24°C (76°F), while minimums can drop as low as -2°C (28°F). This climate makes San Nicolas Buenos Aires an ideal destination for travelers looking to experience a mix of mild and cooler weather during their trip.
In San Nicolas Buenos Aires in December, the precipitation amount is 10 mm (0.4 in) over a period of 3 days.
In San Nicolas Buenos Aires in December humidity is 88%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring, as the moisture in the air can lead to a rather uncomfortable experience for traveling.
In San Nicolas Buenos Aires in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Nicolas Buenos Aires.
UV Risk Categories
Weather in San Nicolas Buenos Aires varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Nicolas Buenos Aires, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (54°F) | 15 mm (0.6 inches) | 84% | very high |
| February Weather | 14°C (57°F) | 8 mm (0.3 inches) | 78% | extreme |
| March Weather | 15°C (60°F) | 27 mm (1.0 inches) | 75% | extreme |
| April Weather | 16°C (62°F) | 58 mm (2.3 inches) | 70% | extreme |
| May Weather | 17°C (63°F) | 75 mm (3.0 inches) | 77% | extreme |
| June Weather | 16°C (61°F) | 168 mm (6.6 inches) | 76% | extreme |
| July Weather | 16°C (60°F) | 102 mm (4.0 inches) | 68% | extreme |
| August Weather | 16°C (61°F) | 136 mm (5.4 inches) | 70% | extreme |
| September Weather | 16°C (60°F) | 174 mm (6.8 inches) | 82% | extreme |
| October Weather | 15°C (59°F) | 93 mm (3.6 inches) | 91% | extreme |
| November Weather | 13°C (56°F) | 31 mm (1.2 inches) | 89% | extreme |
| December Weather | 13°C (55°F) | 10 mm (0.4 inches) | 88% | very high |