Last updated: August 27, 2025
In Santa Ana Amatlan, Mexico, the average temperature in December is a pleasant 21°C (70°F). Expect temperatures to range from a cool 9°C (48°F) to a warm 31°C (88°F). With an average humidity of 76%, the atmosphere can feel quite muggy. Fortunately, you can look forward to minimal precipitation, with just 2 mm (0.1 in) of rain expected during 0 days of the month. Enjoy the mild weather!
In December in Santa Ana Amatlan, the average temperature is 21°C (70°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 9°C (48°F). This makes it a pleasant time for outdoor activities and exploration.
In Santa Ana Amatlan in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.
In Santa Ana Amatlan in December, humidity is 76%. With an average temperature of 21°C (70°F), this humidity feels like a warm, muggy embrace that can make outdoor activities feel more strenuous, prompting travelers to take frequent breaks and seek shade to stay comfortable during their adventures.
In Santa Ana Amatlan in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Santa Ana Amatlan.
UV Risk Categories
Weather in Santa Ana Amatlan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Ana Amatlan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 22°C (71°F) | 2 mm (0.1 inches) | 70% | very high |
| February Weather | 23°C (74°F) | 3 mm (0.1 inches) | 65% | extreme |
| March Weather | 25°C (78°F) | 2 mm (0.1 inches) | 59% | extreme |
| April Weather | 27°C (80°F) | 0 mm (0.0 inches) | 60% | extreme |
| May Weather | 27°C (81°F) | 60 mm (2.4 inches) | 67% | extreme |
| June Weather | 25°C (78°F) | 318 mm (12.5 inches) | 80% | extreme |
| July Weather | 25°C (77°F) | 344 mm (13.5 inches) | 81% | extreme |
| August Weather | 24°C (76°F) | 445 mm (17.5 inches) | 83% | extreme |
| September Weather | 24°C (75°F) | 396 mm (15.6 inches) | 83% | extreme |
| October Weather | 24°C (75°F) | 231 mm (9.1 inches) | 80% | extreme |
| November Weather | 22°C (73°F) | 43 mm (1.7 inches) | 77% | very high |
| December Weather | 21°C (70°F) | 2 mm (0.1 inches) | 76% | very high |