Last updated: August 22, 2025
In Tres Barras, Brazil, the average temperature in December hovers around 21°C (71°F), making it a pleasant time for visitors. However, temperatures can vary significantly, with minimums dipping to 12°C (53°F) and maximums soaring up to 34°C (94°F). Be prepared for some rain, as 149 mm (5.9 in) of precipitation typically falls over 17 days during the month, contributing to an average humidity of 88%.
In December in Tres Barras, the average temperature is 21°C (71°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 12°C (53°F). This mild weather makes Tres Barras an ideal destination for travelers seeking a comfortable climate for outdoor activities and exploration.
In Tres Barras in December, the precipitation amount is 149 mm (5.9 in) spread over 17 days.
In Tres Barras in December humidity is 88%. With an average temperature of 21°C (71°F), this humidity feels like a thick blanket enveloping you, making even the simplest activities feel laborious and sweaty for traveling.
In Tres Barras in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Tres Barras.
UV Risk Categories
Weather in Tres Barras varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tres Barras, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 22°C (72°F) | 163 mm (6.4 inches) | 85% | extreme |
| February Weather | 21°C (71°F) | 131 mm (5.2 inches) | 81% | extreme |
| March Weather | 21°C (70°F) | 117 mm (4.6 inches) | 82% | extreme |
| April Weather | 18°C (65°F) | 52 mm (2.1 inches) | 84% | extreme |
| May Weather | 16°C (61°F) | 106 mm (4.2 inches) | 86% | high |
| June Weather | 15°C (59°F) | 123 mm (4.8 inches) | 84% | high |
| July Weather | 14°C (57°F) | 27 mm (1.1 inches) | 77% | high |
| August Weather | 15°C (59°F) | 87 mm (3.4 inches) | 70% | very high |
| September Weather | 18°C (65°F) | 71 mm (2.8 inches) | 75% | extreme |
| October Weather | 19°C (66°F) | 157 mm (6.2 inches) | 76% | extreme |
| November Weather | 20°C (68°F) | 116 mm (4.6 inches) | 84% | extreme |
| December Weather | 21°C (71°F) | 149 mm (5.9 inches) | 88% | extreme |