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December Weather in Altinho, Brazil

Last updated: August 22, 2025

In Altinho, Brazil, the average temperature in December hovers around 24°C (76°F), making it a delightful time to visit. Expect a minimum temperature of 18°C (64°F) and a maximum of 33°C (92°F). While you enjoy the warmth, prepare for some rain, with an average precipitation of 32 mm (1.3 in) spread over 10 days. The average humidity is a comfortable 72%, ensuring you stay refreshed throughout your stay.

December Temperature in Altinho

In December in Altinho, the average temperature is 24°C (76°F), with maximums reaching 33°C (92°F) and minimums dipping to as low as 18°C (64°F). This mild climate makes Altinho an ideal destination for travelers seeking comfortable weather and pleasant outdoor activities.

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

The chart illustrates December temperature patterns in Altinho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altinho, December typically has an average temperature of 24°C (76°F), with highs reaching up to 33°C (92°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec767776757371697071747576
Data source: Temperature data for Altinho 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 Altinho

In Altinho in December, the precipitation amount is 32 mm (1.3 in) spread over a duration of 10 days.

December Precipitation Trends in Altinho

The chart displays monthly precipitation patterns in Altinho, 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 Altinho, December typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec446183819568664842262932
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Altinho

In Altinho in December humidity is 72%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities a bit uncomfortable, so travelers should stay hydrated and plan for frequent breaks in the shade.

December Average Humidity in Altinho

This chart illustrates the average monthly humidity levels in Altinho, 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 Altinho is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%87%88%89%90%89%86%84%79%74%71%72%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Altinho

In Altinho 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 Altinho.

Maximum UV Index Levels in Altinho for December

The chart shows the monthly maximum UV Index (UVI) for Altinho 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 Altinho typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515141211111214141515
Data source: Altinho 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 Altinho Compares to Other Months

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

This table compares monthly weather conditions in Altinho, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)44 mm (1.7 inches)84%extreme
February Weather25°C (77°F)61 mm (2.4 inches)87%extreme
March Weather24°C (76°F)83 mm (3.3 inches)88%extreme
April Weather24°C (75°F)81 mm (3.2 inches)89%extreme
May Weather23°C (73°F)95 mm (3.7 inches)90%extreme
June Weather22°C (71°F)68 mm (2.7 inches)89%extreme
July Weather21°C (70°F)66 mm (2.6 inches)86%extreme
August Weather21°C (70°F)48 mm (1.9 inches)84%extreme
September Weather22°C (72°F)42 mm (1.7 inches)79%extreme
October Weather23°C (74°F)26 mm (1.0 inches)74%extreme
November Weather24°C (76°F)29 mm (1.1 inches)71%extreme
December Weather24°C (76°F)32 mm (1.3 inches)72%extreme

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