Last updated: August 22, 2025
In December, the average temperature in Santa Cruz, Brazil hovers around 27°C (81°F), with a pleasant range from a minimum of 20°C (69°F) to a maximum of 35°C (95°F). Expect a moderate precipitation of 15 mm (0.6 in) spread over 4 days, adding to an average humidity level of 70%. Ideal weather for exploring the beauty of Santa Cruz!
In December in Santa Cruz, the average temperature is 27°C (81°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 20°C (69°F). This makes it an ideal time for travelers seeking warm weather and plenty of sunshine.
In Santa Cruz in December, the precipitation amount is 15 mm (0.6 in) occurring over the course of 4 days.
In Santa Cruz in December humidity is 70%. With an average temperature of 27°C (81°F), this humidity feels like a warm embrace that clings to the skin, making it essential to stay hydrated and plan for plenty of shade while exploring the vibrant sights and sounds.
In Santa Cruz in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Santa Cruz, you can check here.
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 | 27°C (81°F) | 27 mm (1.1 inches) | 86% | extreme |
| February Weather | 27°C (81°F) | 67 mm (2.6 inches) | 89% | extreme |
| March Weather | 27°C (80°F) | 88 mm (3.5 inches) | 89% | extreme |
| April Weather | 26°C (79°F) | 77 mm (3.0 inches) | 89% | extreme |
| May Weather | 26°C (78°F) | 55 mm (2.2 inches) | 90% | extreme |
| June Weather | 25°C (77°F) | 27 mm (1.1 inches) | 86% | extreme |
| July Weather | 24°C (76°F) | 40 mm (1.6 inches) | 80% | extreme |
| August Weather | 25°C (77°F) | 7 mm (0.3 inches) | 77% | extreme |
| September Weather | 25°C (78°F) | 6 mm (0.2 inches) | 72% | extreme |
| October Weather | 26°C (80°F) | 7 mm (0.3 inches) | 68% | extreme |
| November Weather | 27°C (81°F) | 8 mm (0.3 inches) | 66% | extreme |
| December Weather | 27°C (81°F) | 15 mm (0.6 inches) | 70% | extreme |