December Weather in Mariana

Last updated: March 2, 2024

The weather in Mariana, Brazil, during December is characterized by an average temperature of 21°C (71°F). Highs can soar to 30°C (86°F), while lows may dip to 15°C (59°F). Typically, the humidity level in Mariana throughout December hovers around 68%.

15°C (59°F)

Minimum temperature

21°C (71°F)

Average temperature

30°C (86°F)

Maximum temperature

68%

Humidity

Precipitation and Sunshine hours

In December, Mariana averages 277 mm (10.9 inches) of rainfall, typically over the course of 23 rainy days. The month enjoys an average of 13 hours 19 minutes of daylight, with the sun shining for approximately 9 hours 27 minutes each day. Additionally, there is a 20% probability of sunny days during this period.

277 mm (10.9 inches)

Precipitation

23 rainy days

Rainy days

9 hours 27 minutes

Sunshine hours

20%

Chance of sun

UV Index

In December, the UV Index in Mariana reaches a maximum of 16, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 2 5 9 13 16 16 14 11 7 4 1 1 0
Exposure Low Moderate VeryHigh Extreme High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 25 min 30 min 45 min

Compare Mariana's Climate with Cities Worldwide