Last updated: August 27, 2025
In December, the average temperature in Santa Ana, Mexico is a pleasant 22°C (72°F). Expect a comfortable range, with minimums dipping to 11°C (53°F) and maximums soaring to 27°C (82°F). With 34 mm (1.4 in) of precipitation spread over 5 days, you'll want to keep an umbrella handy. Furthermore, the average humidity of 91% adds a touch of tropical feel to the atmosphere. Embrace the climate while planning your visit!
In December in Santa Ana, the average temperature is 22°C (72°F). Maximum temperatures can reach 27°C (82°F), while minimums can drop to as low as 11°C (53°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.
In Santa Ana in December, the precipitation amount is 34 mm (1.4 in) spread over 5 days.
In Santa Ana in December humidity is 91%. With an average temperature of 22°C (72°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel quite uncomfortable as every step feels sticky and every breath is thick, often leaving you in need of frequent breaks and hydration.
In Santa Ana 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 Santa Ana.
UV Risk Categories
Weather in Santa Ana varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Ana, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 21°C (70°F) | 56 mm (2.2 inches) | 88% | very high |
| February Weather | 22°C (71°F) | 51 mm (2.0 inches) | 86% | very high |
| March Weather | 23°C (74°F) | 57 mm (2.3 inches) | 84% | extreme |
| April Weather | 25°C (77°F) | 35 mm (1.4 inches) | 81% | extreme |
| May Weather | 27°C (81°F) | 74 mm (2.9 inches) | 82% | extreme |
| June Weather | 27°C (81°F) | 138 mm (5.4 inches) | 81% | extreme |
| July Weather | 27°C (81°F) | 97 mm (3.8 inches) | 81% | extreme |
| August Weather | 28°C (82°F) | 144 mm (5.7 inches) | 82% | extreme |
| September Weather | 27°C (81°F) | 168 mm (6.6 inches) | 86% | extreme |
| October Weather | 26°C (79°F) | 119 mm (4.7 inches) | 90% | extreme |
| November Weather | 23°C (74°F) | 97 mm (3.8 inches) | 91% | very high |
| December Weather | 22°C (72°F) | 34 mm (1.4 inches) | 91% | high |