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December Weather in Santana, Brazil

Last updated: August 22, 2025

In Santana, Brazil, the average temperature in December reaches a pleasant 25°C (77°F). Expect a range from a cool 17°C (63°F) to a warm 37°C (99°F). Visitors should be prepared for some rain, with an average precipitation of 141 mm (5.5 in) over 11 days. The weather is generally comfortable, featuring an average humidity of 60%.

December Temperature in Santana

In December in Santana, the average temperature is 25°C (77°F), with maximums reaching 37°C (99°F) and minimums dropping as low as 17°C (63°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates December temperature patterns in Santana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santana, December typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878767472707275797777
Data source: Temperature data for Santana 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 Santana

In Santana in December, the total precipitation amount is 141 mm (5.5 in), which falls over the course of 11 days.

December Precipitation Trends in Santana

The chart displays monthly precipitation patterns in Santana, 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 Santana, December typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4895123441611109642126141
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santana

In Santana in December humidity is 60%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet requiring some effort to stay cool while exploring.

December Average Humidity in Santana

This chart illustrates the average monthly humidity levels in Santana, 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 Santana is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%79%87%86%84%84%80%76%70%64%59%60%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santana

In Santana 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 Santana.

Maximum UV Index Levels in Santana for December

The chart shows the monthly maximum UV Index (UVI) for Santana 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 Santana typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151413119101213141515
Data source: Santana 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 Santana Compares to Other Months

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

This table compares monthly weather conditions in Santana, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)48 mm (1.9 inches)69%extreme
February Weather26°C (78°F)95 mm (3.7 inches)79%extreme
March Weather25°C (78°F)123 mm (4.8 inches)87%extreme
April Weather25°C (76°F)44 mm (1.7 inches)86%extreme
May Weather23°C (74°F)15 mm (0.6 inches)84%extreme
June Weather22°C (72°F)11 mm (0.4 inches)84%very high
July Weather21°C (70°F)10 mm (0.4 inches)80%very high
August Weather22°C (72°F)9 mm (0.4 inches)76%extreme
September Weather24°C (75°F)6 mm (0.2 inches)70%extreme
October Weather26°C (79°F)42 mm (1.7 inches)64%extreme
November Weather25°C (77°F)126 mm (4.9 inches)59%extreme
December Weather25°C (77°F)141 mm (5.5 inches)60%extreme

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