December Weather in Acarau, Brazil

Last updated: August 22, 2025

In December, the average temperature in Acarau, Brazil is a warm 28°C (83°F). Expect comfortable days with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 34°C (93°F). However, be prepared for some rain, as 42 mm (1.7 in) of precipitation is expected over 10 days. With an average humidity of 74%, it’s advisable to stay hydrated and enjoy the tropical vibes!

December Temperature in Acarau

In December in Acarau, the average temperature is 28°C (83°F), with maximums reaching 34°C (93°F) and minimums dropping to as low as 23°C (74°F). This warm climate makes it an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates December temperature patterns in Acarau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Acarau, December typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (93°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec818180808181818282828383
Data source: Temperature data for Acarau generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Acarau

In Acarau in December, the precipitation amount is 42 mm (1.7 in) over the course of 10 days.

December Precipitation Trends in Acarau

The chart displays monthly precipitation patterns in Acarau, 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 Acarau, December typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8924324733614336194391543
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Acarau

In Acarau in December, humidity is 74%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making travel feel more tiring as every step is met with a warm, sticky embrace that can drain your energy quickly.

December Average Humidity in Acarau

This chart illustrates the average monthly humidity levels in Acarau, 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 Acarau is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%89%91%88%77%63%54%55%58%62%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Acarau

In Acarau in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Acarau.

Maximum UV Index Levels in Acarau for December

The chart shows the monthly maximum UV Index (UVI) for Acarau 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 Acarau typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141416151311111213131313
Data source: Acarau 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 Acarau Compares to Other Months

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

This table compares monthly weather conditions in Acarau, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (82°F)89 mm (3.5 inches)87%extreme
February Weather27°C (81°F)243 mm (9.6 inches)88%extreme
March Weather27°C (80°F)247 mm (9.7 inches)89%extreme
April Weather27°C (81°F)336 mm (13.2 inches)90%extreme
May Weather27°C (81°F)143 mm (5.6 inches)87%extreme
June Weather27°C (81°F)36 mm (1.4 inches)77%extreme
July Weather27°C (82°F)19 mm (0.7 inches)62%extreme
August Weather28°C (82°F)4 mm (0.2 inches)54%extreme
September Weather28°C (82°F)3 mm (0.1 inches)55%extreme
October Weather28°C (83°F)9 mm (0.3 inches)58%extreme
November Weather28°C (83°F)15 mm (0.6 inches)62%extreme
December Weather28°C (83°F)42 mm (1.7 inches)74%extreme

Compare Acarau's Climate with Cities Worldwide