December Weather in Registro, Brazil

Last updated: August 22, 2025

In Registro, Brazil, the average temperature in December hovers around 25°C (78°F), with a minimum dipping to 17°C (63°F) and a peak soaring to 39°C (103°F). Expect 124 mm (4.9 in) of precipitation over 18 days, contributing to the average humidity of 87%. Prepare for a warm and moist climate!

December Temperature in Registro

In December in Registro, the average temperature is 25°C (78°F). Maximums can reach 39°C (103°F), while minimums can be as low as 17°C (63°F). This makes Registro a great destination for travelers seeking warm weather but also a chance to enjoy cooler evenings.

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

The chart illustrates December temperature patterns in Registro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Registro, December typically has an average temperature of 25°C (78°F), with highs reaching up to 39°C (103°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec807878736967656670737477
Data source: Temperature data for Registro 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 Registro

In Registro in December, the precipitation amount is 124 mm (4.9 in) over a span of 18 days.

December Precipitation Trends in Registro

The chart displays monthly precipitation patterns in Registro, 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 Registro, December typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec208201191108917738695211888124
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Registro

In Registro in December, humidity is 87%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities particularly strenuous and requiring frequent breaks for hydration and shade.

December Average Humidity in Registro

This chart illustrates the average monthly humidity levels in Registro, 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 Registro is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%87%85%85%83%78%73%73%71%83%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Registro

In Registro 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 Registro.

Maximum UV Index Levels in Registro for December

The chart shows the monthly maximum UV Index (UVI) for Registro 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 Registro typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151210766811131415
Data source: Registro 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 Registro Compares to Other Months

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

This table compares monthly weather conditions in Registro, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)208 mm (8.2 inches)89%extreme
February Weather26°C (79°F)201 mm (7.9 inches)86%extreme
March Weather25°C (78°F)191 mm (7.5 inches)87%extreme
April Weather23°C (74°F)108 mm (4.2 inches)85%very high
May Weather21°C (70°F)91 mm (3.6 inches)84%high
June Weather20°C (68°F)76 mm (3.0 inches)83%high
July Weather18°C (65°F)38 mm (1.5 inches)78%high
August Weather19°C (66°F)69 mm (2.7 inches)73%very high
September Weather21°C (71°F)52 mm (2.0 inches)73%extreme
October Weather23°C (73°F)118 mm (4.6 inches)71%extreme
November Weather23°C (74°F)88 mm (3.5 inches)83%extreme
December Weather25°C (78°F)124 mm (4.9 inches)87%extreme

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