Last updated: August 22, 2025
In Marechal Deodoro, Brazil, the average temperature in December is a warm 27°C (81°F). During this time, you can expect minimums of 22°C (72°F) and maximums reaching 34°C (93°F). With 50 mm (2.0 in) of precipitation spread over 16 days, the air is typically humid, boasting an average humidity of 72%. Prepare for a mix of sun and rain as you enjoy the balmy weather!
In December in Marechal Deodoro, the average temperature is 27°C (81°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop to as low as 22°C (72°F). Overall, this makes Marechal Deodoro a warm and pleasant destination, perfect for travelers looking to enjoy the sun.
In Marechal Deodoro in December, the total precipitation amount is 50 mm (2.0 in) over the course of 16 days.
In Marechal Deodoro in December humidity is 72%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making travel a bit uncomfortable as you navigate through the thick, sticky air.
In Marechal Deodoro 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 Marechal Deodoro, you can check here.
UV Risk Categories
Weather in Marechal Deodoro varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Marechal Deodoro, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 27°C (81°F) | 52 mm (2.0 inches) | 84% | extreme |
February Weather | 27°C (81°F) | 60 mm (2.4 inches) | 87% | extreme |
March Weather | 27°C (81°F) | 118 mm (4.7 inches) | 88% | extreme |
April Weather | 27°C (80°F) | 136 mm (5.4 inches) | 89% | extreme |
May Weather | 26°C (78°F) | 136 mm (5.4 inches) | 90% | extreme |
June Weather | 25°C (77°F) | 129 mm (5.1 inches) | 89% | very high |
July Weather | 24°C (75°F) | 156 mm (6.2 inches) | 86% | very high |
August Weather | 24°C (75°F) | 95 mm (3.7 inches) | 84% | extreme |
September Weather | 25°C (77°F) | 68 mm (2.7 inches) | 79% | extreme |
October Weather | 26°C (79°F) | 40 mm (1.6 inches) | 74% | extreme |
November Weather | 27°C (80°F) | 40 mm (1.6 inches) | 71% | extreme |
December Weather | 27°C (81°F) | 50 mm (2.0 inches) | 72% | extreme |