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December Weather in Santa Terezinha, Brazil

Last updated: August 22, 2025

In December, the average temperature in Santa Terezinha, Brazil is a warm 27°C (80°F). Expect minimums around 21°C (71°F) and highs reaching up to 36°C (97°F). During this month, you'll encounter 275 mm (10.8 in) of precipitation spread across 23 days, making it quite the rainy period. With an average humidity of 80%, it's sure to feel quite tropical!

December Temperature in Santa Terezinha

In December in Santa Terezinha, the average temperature is 27°C (80°F). The maximum can reach 36°C (97°F) while the minimum can drop to as low as 21°C (71°F). This pleasant climate makes it an ideal time for travelers to explore the region and enjoy outdoor activities.

December Weather in Santa Terezinha: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santa Terezinha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Terezinha, December typically has an average temperature of 27°C (80°F), with highs reaching up to 36°C (97°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec807980818181818487848080
Data source: Temperature data for Santa Terezinha 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 Santa Terezinha

In Santa Terezinha in December, the total precipitation amount is 275 mm (10.8 in) distributed over a period of 23 days.

December Precipitation Trends in Santa Terezinha

The chart displays monthly precipitation patterns in Santa Terezinha, 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 Santa Terezinha, December typically receives around 275 mm (10.8 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec197294275184260031283233275
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santa Terezinha

In Santa Terezinha in December humidity is 80%. With an average temperature of 27°C (80°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel more exhausting and sticky, and challenging you to stay hydrated while exploring.

December Average Humidity in Santa Terezinha

This chart illustrates the average monthly humidity levels in Santa Terezinha, 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 Santa Terezinha is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%88%80%65%53%43%33%27%50%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santa Terezinha

In Santa Terezinha 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 Santa Terezinha.

Maximum UV Index Levels in Santa Terezinha for December

The chart shows the monthly maximum UV Index (UVI) for Santa Terezinha 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 Santa Terezinha typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515131210101112141515
Data source: Santa Terezinha 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 Santa Terezinha Compares to Other Months

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

This table compares monthly weather conditions in Santa Terezinha, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)197 mm (7.7 inches)89%extreme
February Weather26°C (79°F)294 mm (11.6 inches)89%extreme
March Weather26°C (80°F)275 mm (10.8 inches)90%extreme
April Weather27°C (81°F)184 mm (7.2 inches)88%extreme
May Weather27°C (82°F)26 mm (1.0 inches)80%extreme
June Weather27°C (81°F)0 mm (0.0 inches)65%very high
July Weather27°C (81°F)0 mm (0.0 inches)53%very high
August Weather29°C (84°F)3 mm (0.1 inches)43%extreme
September Weather30°C (87°F)12 mm (0.5 inches)33%extreme
October Weather29°C (84°F)83 mm (3.3 inches)27%extreme
November Weather27°C (81°F)233 mm (9.2 inches)50%extreme
December Weather27°C (80°F)275 mm (10.8 inches)80%extreme

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