Last updated: August 22, 2025
In December, the average temperature in Sao Joao da Barra, Brazil is a pleasant 25°C (77°F), perfect for outdoor adventures. Expect a minimum of 20°C (68°F) and a maximum of 30°C (86°F), providing a comfortable range for everyone. However, be prepared for some rain, as the area receives an average precipitation of 112 mm (4.4 in) over 13 days. With an average humidity of 72%, the climate maintains a warm and inviting atmosphere.
In December in Sao Joao da Barra, the average temperature is 25°C (77°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 20°C (68°F). This mild weather makes it an ideal time for outdoor activities and exploring the local attractions.
In Sao Joao da Barra in December, the precipitation amount is 112 mm (4.4 in) over the course of 13 days.
In Sao Joao da Barra 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 Sao Joao da Barra 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 Sao Joao da Barra.
UV Risk Categories
Weather in Sao Joao da Barra varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sao Joao da Barra, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 26°C (79°F) | 68 mm (2.7 inches) | 80% | extreme |
| February Weather | 26°C (79°F) | 122 mm (4.8 inches) | 85% | extreme |
| March Weather | 26°C (79°F) | 96 mm (3.8 inches) | 86% | extreme |
| April Weather | 25°C (78°F) | 81 mm (3.2 inches) | 85% | extreme |
| May Weather | 24°C (75°F) | 64 mm (2.5 inches) | 82% | very high |
| June Weather | 23°C (74°F) | 30 mm (1.2 inches) | 81% | high |
| July Weather | 22°C (72°F) | 26 mm (1.0 inches) | 79% | very high |
| August Weather | 22°C (72°F) | 45 mm (1.8 inches) | 75% | very high |
| September Weather | 23°C (74°F) | 48 mm (1.9 inches) | 72% | extreme |
| October Weather | 24°C (75°F) | 89 mm (3.5 inches) | 66% | extreme |
| November Weather | 24°C (75°F) | 145 mm (5.7 inches) | 69% | extreme |
| December Weather | 25°C (77°F) | 112 mm (4.4 inches) | 72% | extreme |