Last updated: August 22, 2025
In December, the average temperature in Biritiba Mirim, Brazil hovers around 22°C (72°F). Expect a minimum of 12°C (54°F) and a maximum reaching up to 33°C (91°F). The region experiences 162 mm (6.4 in) of precipitation spread over 22 days, contributing to an average humidity level of 80%. It's a month that's both warm and wet, perfect for those who enjoy lush greenery and a vibrant atmosphere!
In December, in Biritiba Mirim, the average temperature is 22°C (72°F). The maximum can reach 33°C (91°F), and the minimum can be as low as 12°C (54°F). This makes Biritiba Mirim a delightful destination for travelers seeking pleasant weather and a variety of outdoor activities.
In Biritiba Mirim in December, the precipitation amount is 162 mm (6.4 in) over the course of 22 days.
In Biritiba Mirim in December humidity is 80%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket that can quickly sap your energy while traveling, making you feel sticky and uncomfortable if you're not prepared.
In Biritiba Mirim 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 Biritiba Mirim.
UV Risk Categories
Weather in Biritiba Mirim varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Biritiba Mirim, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 23°C (75°F) | 204 mm (8.0 inches) | 88% | extreme |
| February Weather | 23°C (73°F) | 190 mm (7.5 inches) | 88% | extreme |
| March Weather | 23°C (73°F) | 156 mm (6.2 inches) | 87% | extreme |
| April Weather | 20°C (69°F) | 65 mm (2.6 inches) | 84% | extreme |
| May Weather | 18°C (65°F) | 58 mm (2.3 inches) | 79% | very high |
| June Weather | 18°C (64°F) | 44 mm (1.7 inches) | 77% | high |
| July Weather | 16°C (62°F) | 29 mm (1.2 inches) | 72% | high |
| August Weather | 17°C (63°F) | 63 mm (2.5 inches) | 65% | very high |
| September Weather | 20°C (68°F) | 50 mm (2.0 inches) | 58% | extreme |
| October Weather | 21°C (70°F) | 131 mm (5.2 inches) | 50% | extreme |
| November Weather | 21°C (69°F) | 133 mm (5.2 inches) | 75% | extreme |
| December Weather | 22°C (72°F) | 162 mm (6.4 inches) | 80% | extreme |