Last updated: August 27, 2025
The average temperature in Santa Cruz, Peru during December is a pleasant 20°C (69°F). Expect a minimum of 17°C (63°F) and a comfortable maximum of 24°C (76°F). With an average humidity of 87%, the atmosphere remains refreshing, complemented by a low precipitation amount of just 3 mm (0.1 in) over 0 days. Enjoy the mild weather!
In December in Santa Cruz, the average temperature is 20°C (69°F). Maximums can reach 24°C (76°F), while minimums can dip to as low as 17°C (63°F). This mild climate makes it an ideal time for travelers to enjoy outdoor activities and explore the local sights comfortably.
In Santa Cruz in December, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.
In Santa Cruz in December humidity is 87%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making outdoor activities such as sightseeing and hiking quite challenging, as the thick air can leave you feeling sticky and tired quickly.
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 | 22°C (72°F) | 13 mm (0.5 inches) | 89% | extreme |
| February Weather | 23°C (74°F) | 9 mm (0.3 inches) | 89% | extreme |
| March Weather | 23°C (74°F) | 6 mm (0.2 inches) | 90% | extreme |
| April Weather | 21°C (71°F) | 4 mm (0.2 inches) | 89% | extreme |
| May Weather | 19°C (67°F) | 2 mm (0.1 inches) | 83% | very high |
| June Weather | 18°C (64°F) | 3 mm (0.1 inches) | 69% | very high |
| July Weather | 17°C (63°F) | 2 mm (0.1 inches) | 56% | very high |
| August Weather | 16°C (62°F) | 1 mm (0.0 inches) | 50% | extreme |
| September Weather | 17°C (62°F) | 1 mm (0.0 inches) | 53% | extreme |
| October Weather | 17°C (63°F) | 1 mm (0.1 inches) | 68% | extreme |
| November Weather | 18°C (65°F) | 2 mm (0.1 inches) | 81% | extreme |
| December Weather | 20°C (69°F) | 3 mm (0.1 inches) | 87% | extreme |