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December Weather in Mirai, Brazil

Last updated: August 22, 2025

In December, the average temperature in Mirai, Brazil is a pleasant 25°C (77°F). Expect a comfortable minimum of 15°C (59°F), with highs reaching up to 35°C (94°F). However, be prepared for some wet days, as the area experiences approximately 208 mm (8.2 in) of precipitation over 18 days. With an average humidity of 68%, the atmosphere can feel quite tropical, making it a unique time to visit!

December Temperature in Mirai

In December in Mirai, the average temperature is 25°C (77°F), with maximums reaching 35°C (94°F) and minimums dropping to as low as 15°C (59°F). This pleasant climate makes it an ideal time for traveling and exploring the area's outdoor attractions.

December Weather in Mirai: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Mirai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mirai, December typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (94°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec797777747068666873747476
Data source: Temperature data for Mirai generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Mirai

In Mirai in December, the precipitation amount is 208 mm (8.2 in) spread over 18 days.

December Precipitation Trends in Mirai

The chart displays monthly precipitation patterns in Mirai, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Mirai, December typically receives around 208 mm (8.2 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec147228147724514142838112219208
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mirai

In Mirai in December, humidity is 68%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace that can quickly become stifling for traveling, making outdoor activities feel more strenuous and the air thick and heavy.

December Average Humidity in Mirai

This chart illustrates the average monthly humidity levels in Mirai, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Mirai is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%88%86%82%82%77%72%63%48%61%68%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mirai

In Mirai 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 Mirai.

Maximum UV Index Levels in Mirai for December

The chart shows the monthly maximum UV Index (UVI) for Mirai in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Mirai typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161513118781012131415
Data source: Mirai December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Mirai Compares to Other Months

Weather in Mirai varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mirai, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Mirai, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)147 mm (5.8 inches)83%extreme
February Weather25°C (77°F)228 mm (9.0 inches)85%extreme
March Weather25°C (77°F)147 mm (5.8 inches)87%extreme
April Weather23°C (74°F)72 mm (2.8 inches)86%extreme
May Weather21°C (70°F)45 mm (1.8 inches)82%very high
June Weather20°C (69°F)14 mm (0.6 inches)82%high
July Weather19°C (67°F)14 mm (0.6 inches)77%very high
August Weather20°C (68°F)28 mm (1.1 inches)72%very high
September Weather23°C (73°F)38 mm (1.5 inches)63%extreme
October Weather24°C (75°F)112 mm (4.4 inches)48%extreme
November Weather23°C (74°F)219 mm (8.6 inches)61%extreme
December Weather25°C (77°F)208 mm (8.2 inches)68%extreme

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