Last updated: August 22, 2025
In December, the average temperature in Santa Rosa de Viterbo, Brazil is a delightful 25°C (77°F), with variations ranging from a refreshing low of 14°C (58°F) to a warm high of 36°C (96°F). Prepare for some wet days as precipitation averages around 161 mm (6.4 in), spread over 17 days. Overall, expect a humidity level of 72%, ensuring that the air feels comfortably warm and inviting.
In December in Santa Rosa de Viterbo, the average temperature is 25°C (77°F). Maximum temperatures can reach 36°C (96°F), while minimums can drop to as low as 14°C (58°F). This varied climate makes Santa Rosa de Viterbo an ideal destination for travelers seeking both warm days and cooler evenings.
In Santa Rosa de Viterbo in December, the total precipitation amount is 161 mm (6.4 in), recorded over a span of 17 days.
In Santa Rosa de Viterbo in December, humidity is 72%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration both vibrant and a bit taxing as you sweat slightly more and seek shade often while enjoying the scenery.
In Santa Rosa de Viterbo in December, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Santa Rosa de Viterbo.
UV Risk Categories
Weather in Santa Rosa de Viterbo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Rosa de Viterbo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 165 mm (6.5 inches) | 85% | extreme |
| February Weather | 25°C (77°F) | 138 mm (5.4 inches) | 87% | extreme |
| March Weather | 25°C (77°F) | 113 mm (4.4 inches) | 87% | extreme |
| April Weather | 23°C (74°F) | 54 mm (2.1 inches) | 80% | extreme |
| May Weather | 20°C (69°F) | 30 mm (1.2 inches) | 74% | very high |
| June Weather | 20°C (68°F) | 14 mm (0.5 inches) | 72% | high |
| July Weather | 19°C (66°F) | 8 mm (0.3 inches) | 67% | very high |
| August Weather | 21°C (69°F) | 21 mm (0.8 inches) | 58% | very high |
| September Weather | 25°C (76°F) | 28 mm (1.1 inches) | 49% | extreme |
| October Weather | 25°C (77°F) | 103 mm (4.1 inches) | 36% | extreme |
| November Weather | 24°C (76°F) | 141 mm (5.6 inches) | 65% | extreme |
| December Weather | 25°C (77°F) | 161 mm (6.4 inches) | 72% | extreme |