Last updated: August 27, 2025
In December, the average temperature in Santa Cruz, Peru is a pleasant 23°C (73°F). Expect a minimum of 16°C (61°F) and a maximum that can reach up to 32°C (89°F). However, be prepared for the possibility of rain, as the area sees about 158 mm (6.2 in) of precipitation over 25 days. With an average humidity level of 89%, you'll definitely want to stay hydrated while enjoying the warm weather!
In December in Santa Cruz, the average temperature is 23°C (73°F). Maximums can reach 32°C (89°F) and minimums can drop as low as 16°C (61°F). This makes it an ideal time for travelers seeking pleasant weather and comfortable outdoor activities.
In Santa Cruz in December, the precipitation amount is 158 mm (6.2 in) over the course of 25 days.
In Santa Cruz in December, humidity is 89%. With an average temperature of 23°C (73°F), this humidity feels like a thick, warm blanket wrapping around you, making travel feel sticky and heavy, which can be quite draining for explorers.
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) | 185 mm (7.3 inches) | 80% | extreme |
| February Weather | 22°C (72°F) | 168 mm (6.6 inches) | 76% | extreme |
| March Weather | 22°C (72°F) | 250 mm (9.8 inches) | 81% | extreme |
| April Weather | 22°C (71°F) | 182 mm (7.2 inches) | 86% | extreme |
| May Weather | 22°C (71°F) | 140 mm (5.5 inches) | 86% | extreme |
| June Weather | 21°C (70°F) | 116 mm (4.6 inches) | 70% | extreme |
| July Weather | 21°C (69°F) | 84 mm (3.3 inches) | 47% | extreme |
| August Weather | 21°C (71°F) | 57 mm (2.3 inches) | 37% | extreme |
| September Weather | 22°C (72°F) | 74 mm (2.9 inches) | 42% | extreme |
| October Weather | 22°C (72°F) | 162 mm (6.4 inches) | 62% | extreme |
| November Weather | 23°C (73°F) | 185 mm (7.3 inches) | 76% | extreme |
| December Weather | 23°C (73°F) | 158 mm (6.2 inches) | 89% | extreme |