Last updated: August 22, 2025
In December, the average temperature in Sao Goncalo, Brazil hovers around 26°C (78°F), with minimum temperatures dipping to 17°C (63°F) and peaking at a warm 36°C (97°F). Expect substantial rainfall, with an average precipitation of 217 mm (8.6 in) spread over 20 rainy days. The climate feels quite humid, with an average humidity level of 75%, creating a lush, vibrant atmosphere!
In December in Sao Goncalo, the average temperature is 26°C (78°F). Maximum temperatures can reach 36°C (97°F), while minimum temperatures can drop to as low as 17°C (63°F). This makes Sao Goncalo an ideal destination for travelers looking to enjoy warm weather and outdoor activities.
In Sao Goncalo in December, the precipitation amount is 217 mm (8.6 in), occurring over a span of 20 days.
In Sao Goncalo in December, humidity is 75%. With an average temperature of 26°C (78°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit challenging, as the air can feel heavy and sticky, often leading to a need for frequent breaks to hydrate and find cooler spots to relax.
In Sao Goncalo 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 Goncalo.
UV Risk Categories
Weather in Sao Goncalo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sao Goncalo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 27°C (82°F) | 168 mm (6.6 inches) | 85% | extreme |
| February Weather | 26°C (80°F) | 215 mm (8.5 inches) | 85% | extreme |
| March Weather | 26°C (80°F) | 184 mm (7.2 inches) | 86% | extreme |
| April Weather | 24°C (76°F) | 96 mm (3.8 inches) | 83% | very high |
| May Weather | 22°C (72°F) | 68 mm (2.7 inches) | 81% | high |
| June Weather | 22°C (71°F) | 47 mm (1.8 inches) | 80% | high |
| July Weather | 21°C (69°F) | 37 mm (1.5 inches) | 76% | high |
| August Weather | 21°C (70°F) | 71 mm (2.8 inches) | 73% | very high |
| September Weather | 23°C (74°F) | 63 mm (2.5 inches) | 68% | extreme |
| October Weather | 24°C (75°F) | 123 mm (4.9 inches) | 61% | extreme |
| November Weather | 24°C (75°F) | 191 mm (7.5 inches) | 72% | extreme |
| December Weather | 26°C (78°F) | 217 mm (8.6 inches) | 75% | extreme |