Last updated: August 27, 2025
In Cinco de Mayo, Mexico, the average temperature for December hovers around 18°C (64°F), making it a pleasant time to visit. However, temperatures can vary significantly, with a minimum of 4°C (39°F) and a maximum of 30°C (86°F). Visitors should also be prepared for 81 mm (3.2 in) of precipitation over approximately 11 days, contributing to a high average humidity of 91%.
In December in Cinco de Mayo, the average temperature is 18°C (64°F). Maximum temperatures can reach 30°C (86°F), while the minimum can drop as low as 4°C (39°F). This diverse range of temperatures makes it essential for travelers to pack both light clothing for warm days and layers for cooler evenings.
In Cinco de Mayo in December, the precipitation amount is 81 mm (3.2 in) over a span of 11 days.
In Cinco de Mayo in December humidity is 91%. With an average temperature of 18°C (64°F), this humidity feels like a thick blanket enveloping you, making any outdoor activities somewhat draining and requiring frequent hydration to stay comfortable while exploring.
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 | 17°C (63°F) | 118 mm (4.6 inches) | 88% | very high |
| February Weather | 19°C (66°F) | 108 mm (4.3 inches) | 86% | very high |
| March Weather | 20°C (69°F) | 152 mm (6.0 inches) | 83% | extreme |
| April Weather | 23°C (74°F) | 140 mm (5.5 inches) | 80% | extreme |
| May Weather | 25°C (77°F) | 196 mm (7.7 inches) | 82% | extreme |
| June Weather | 25°C (77°F) | 290 mm (11.4 inches) | 79% | extreme |
| July Weather | 25°C (77°F) | 251 mm (9.9 inches) | 72% | extreme |
| August Weather | 25°C (77°F) | 297 mm (11.7 inches) | 74% | extreme |
| September Weather | 24°C (76°F) | 330 mm (13.0 inches) | 84% | extreme |
| October Weather | 23°C (73°F) | 329 mm (13.0 inches) | 92% | extreme |
| November Weather | 20°C (68°F) | 164 mm (6.4 inches) | 91% | very high |
| December Weather | 18°C (64°F) | 81 mm (3.2 inches) | 91% | high |