Last updated: August 22, 2025
In December, the average temperature in Sao Jeronimo, Brazil reaches a pleasant 24°C (75°F). Expect a range where it can drop to a cool 12°C (54°F) or rise as high as 38°C (100°F). The region experiences a total precipitation of 64 mm (2.5 in) over 8 days, contributing to an average humidity of 84%, creating a lush and vibrant atmosphere.
In December in Sao Jeronimo, the average temperature is 24°C (75°F). The maximum can reach 38°C (100°F), while the minimum can drop as low as 12°C (54°F). Travelers should be prepared for warm days and cooler evenings, making it ideal for a variety of activities.
In Sao Jeronimo in December, the precipitation amount is 64 mm (2.5 in) over the course of 8 days.
In Sao Jeronimo in December humidity is 84%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making it essential for travelers to stay hydrated and plan outdoor activities for early mornings or late afternoons when the heat is more bearable.
In Sao Jeronimo 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 Sao Jeronimo, you can check here.
UV Risk Categories
Weather in Sao Jeronimo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sao Jeronimo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 26°C (78°F) | 85 mm (3.3 inches) | 77% | extreme |
| February Weather | 25°C (77°F) | 91 mm (3.6 inches) | 79% | extreme |
| March Weather | 23°C (74°F) | 102 mm (4.0 inches) | 79% | extreme |
| April Weather | 21°C (70°F) | 76 mm (3.0 inches) | 82% | very high |
| May Weather | 17°C (63°F) | 160 mm (6.3 inches) | 87% | high |
| June Weather | 15°C (60°F) | 117 mm (4.6 inches) | 85% | moderate |
| July Weather | 14°C (57°F) | 123 mm (4.9 inches) | 82% | moderate |
| August Weather | 15°C (60°F) | 76 mm (3.0 inches) | 81% | high |
| September Weather | 18°C (65°F) | 151 mm (6.0 inches) | 84% | very high |
| October Weather | 20°C (68°F) | 139 mm (5.5 inches) | 85% | extreme |
| November Weather | 22°C (71°F) | 108 mm (4.3 inches) | 82% | extreme |
| December Weather | 24°C (75°F) | 64 mm (2.5 inches) | 84% | extreme |