Last updated: August 27, 2025
In December, the average temperature in Santa Cruz, Mexico hovers around 8°C (47°F), making it a brisk time of year. Expect temperatures to range from a chilly -5°C (23°F) to a pleasantly warm 22°C (72°F). With an average humidity of 81%, you'll feel the moisture in the air. Additionally, prepare for some light rain, as 25 mm (1.0 in) of precipitation is likely over about 4 days.
In December in Santa Cruz, the average temperature is 8°C (47°F). The maximum can reach 22°C (72°F) and the minimum can be as low as -5°C (23°F). Travelers should prepare for a wide range of temperatures and pack accordingly.
In Santa Cruz in December, the precipitation amount is 25 mm (1.0 in) over the course of 4 days.
In Santa Cruz in December humidity is 81%. With an average temperature of 8°C (47°F), this humidity feels like a palpable heaviness in the air, making outdoor exploration feel damp and chilly, requiring travelers to bundle up and prepare for a brisk experience.
In Santa Cruz in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Santa Cruz.
UV Risk Categories
Weather in Santa Cruz varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Cruz, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (46°F) | 30 mm (1.2 inches) | 74% | moderate |
| February Weather | 9°C (48°F) | 35 mm (1.4 inches) | 71% | very high |
| March Weather | 12°C (54°F) | 23 mm (0.9 inches) | 60% | very high |
| April Weather | 17°C (62°F) | 4 mm (0.1 inches) | 43% | extreme |
| May Weather | 20°C (69°F) | 4 mm (0.2 inches) | 32% | extreme |
| June Weather | 26°C (79°F) | 9 mm (0.4 inches) | 28% | extreme |
| July Weather | 24°C (76°F) | 137 mm (5.4 inches) | 38% | extreme |
| August Weather | 24°C (75°F) | 96 mm (3.8 inches) | 60% | extreme |
| September Weather | 22°C (72°F) | 36 mm (1.4 inches) | 72% | extreme |
| October Weather | 18°C (65°F) | 17 mm (0.7 inches) | 66% | very high |
| November Weather | 14°C (57°F) | 33 mm (1.3 inches) | 74% | high |
| December Weather | 8°C (47°F) | 25 mm (1.0 inches) | 81% | moderate |