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December Weather in Sirinhaem, Brazil

Last updated: August 22, 2025

The average temperature in Sirinhaem, Brazil during December is a warm 27°C (80°F). Expect comfortable conditions with a minimum temperature of 24°C (75°F) and a maximum of 30°C (86°F). However, be prepared for some rain, with precipitation amounts reaching 54 mm (2.1 in) over about 20 days. Additionally, the average humidity sits at a moderately high 72%, adding to the cozy, tropical atmosphere.

December Temperature in Sirinhaem

In December in Sirinhaem, the average temperature is 27°C (80°F). Maximums can reach 30°C (86°F), and minimums can be as low as 24°C (75°F). This mild and pleasant weather makes Sirinhaem an ideal destination for travelers seeking warmth and sunshine during December.

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

The chart illustrates December temperature patterns in Sirinhaem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sirinhaem, December typically has an average temperature of 27°C (80°F), with highs reaching up to 30°C (86°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec808181807977767677787980
Data source: Temperature data for Sirinhaem 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 Sirinhaem

In Sirinhaem in December, the precipitation amount is 54 mm (2.1 in) accumulated over the course of 20 days.

December Precipitation Trends in Sirinhaem

The chart displays monthly precipitation patterns in Sirinhaem, 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 Sirinhaem, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec587311213816619715310465514954
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sirinhaem

In Sirinhaem in December humidity is 72%. With an average temperature of 27°C (80°F), this humidity feels like a warm, sticky embrace that can make outdoor activities exhausting and often requires frequent breaks in the shade for travelers to stay comfortable.

December Average Humidity in Sirinhaem

This chart illustrates the average monthly humidity levels in Sirinhaem, 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 Sirinhaem 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 Sirinhaem

In Sirinhaem in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Sirinhaem, you can check here.

Maximum UV Index Levels in Sirinhaem for December

The chart shows the monthly maximum UV Index (UVI) for Sirinhaem 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 Sirinhaem typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141211111213131414
Data source: Sirinhaem 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 Sirinhaem Compares to Other Months

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

This table compares monthly weather conditions in Sirinhaem, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)58 mm (2.3 inches)84%extreme
February Weather27°C (81°F)73 mm (2.9 inches)87%extreme
March Weather27°C (81°F)112 mm (4.4 inches)88%extreme
April Weather27°C (80°F)138 mm (5.4 inches)89%extreme
May Weather26°C (79°F)166 mm (6.5 inches)90%extreme
June Weather25°C (78°F)197 mm (7.8 inches)89%extreme
July Weather25°C (76°F)153 mm (6.0 inches)86%extreme
August Weather24°C (76°F)104 mm (4.1 inches)84%extreme
September Weather25°C (77°F)65 mm (2.6 inches)79%extreme
October Weather26°C (79°F)51 mm (2.0 inches)74%extreme
November Weather26°C (80°F)49 mm (1.9 inches)71%extreme
December Weather27°C (80°F)54 mm (2.1 inches)72%extreme

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