Last updated: August 27, 2025
In December, the average temperature in Cinco de Mayo, Mexico is a comfortable 13°C (55°F). You can expect temperatures to fluctuate between a chilly -6°C (22°F) and a warm 29°C (84°F). With an average humidity of 83%, the air can feel quite damp. Don't forget your umbrella, as precipitation amounts to 9 mm (0.4 in) over approximately 1 day this month!
In December in Cinco de Mayo, the average temperature is 13°C (55°F). Maximums can reach 29°C (84°F), while minimums can drop as low as -6°C (22°F). Be sure to pack for both warm and chilly days during your travels!
In Cinco de Mayo in December, the precipitation amount is 9 mm (0.4 in) over the course of 1 day.
In Cinco de Mayo in December humidity is 83%. With an average temperature of 13°C (55°F), this humidity feels like a damp embrace, often leaving travelers feeling slightly sticky and in need of frequent breaks in the shade.
In Cinco de Mayo in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Cinco de Mayo.
UV Risk Categories
Weather in Cinco de Mayo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cinco de Mayo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (54°F) | 12 mm (0.5 inches) | 71% | very high |
| February Weather | 15°C (58°F) | 11 mm (0.4 inches) | 64% | extreme |
| March Weather | 18°C (64°F) | 4 mm (0.2 inches) | 49% | extreme |
| April Weather | 20°C (69°F) | 2 mm (0.1 inches) | 47% | extreme |
| May Weather | 23°C (73°F) | 8 mm (0.3 inches) | 55% | extreme |
| June Weather | 24°C (75°F) | 36 mm (1.4 inches) | 77% | extreme |
| July Weather | 21°C (71°F) | 108 mm (4.3 inches) | 82% | extreme |
| August Weather | 22°C (71°F) | 81 mm (3.2 inches) | 83% | extreme |
| September Weather | 20°C (67°F) | 121 mm (4.8 inches) | 86% | extreme |
| October Weather | 19°C (66°F) | 53 mm (2.1 inches) | 83% | extreme |
| November Weather | 16°C (61°F) | 13 mm (0.5 inches) | 80% | very high |
| December Weather | 13°C (55°F) | 9 mm (0.4 inches) | 83% | high |