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December Weather in Caico, Brazil

Last updated: August 22, 2025

In December, the average temperature in Caico, Brazil reaches a warm 30°C (86°F). Expect comfortable lows of 22°C (72°F) and occasional peaks at 38°C (101°F). With 8 mm (0.3 in) of precipitation spread over just 1 day, you'll enjoy plenty of sunshine. The average humidity sits at a moderate 70%, making it an ideal time to explore!

December Temperature in Caico

In December in Caico, the average temperature is 30°C (86°F). Maximums can reach 38°C (101°F), and minimums can be as low as 22°C (72°F). This warm climate makes Caico an ideal destination for sun-seekers and outdoor enthusiasts.

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

The chart illustrates December temperature patterns in Caico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caico, December typically has an average temperature of 30°C (86°F), with highs reaching up to 38°C (101°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec858483828281808183858686
Data source: Temperature data for Caico 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 Caico

In Caico in December, the precipitation amount is 8 mm (0.3 in) over the course of 1 day.

December Precipitation Trends in Caico

The chart displays monthly precipitation patterns in Caico, 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 Caico, December typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec471081337740111811118
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Caico

In Caico in December, humidity is 70%. With an average temperature of 30°C (86°F), this humidity feels like you're walking through a warm, thick blanket, making travel feel heavier and more exhausting than usual.

December Average Humidity in Caico

This chart illustrates the average monthly humidity levels in Caico, 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 Caico is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%89%90%89%90%86%80%77%72%68%66%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Caico

In Caico 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 Caico, you can check here.

Maximum UV Index Levels in Caico for December

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

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

This table compares monthly weather conditions in Caico, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (85°F)47 mm (1.9 inches)86%extreme
February Weather29°C (84°F)108 mm (4.2 inches)89%extreme
March Weather28°C (83°F)133 mm (5.2 inches)89%extreme
April Weather28°C (82°F)77 mm (3.0 inches)89%extreme
May Weather28°C (82°F)40 mm (1.6 inches)90%extreme
June Weather27°C (81°F)11 mm (0.4 inches)86%extreme
July Weather27°C (80°F)18 mm (0.7 inches)80%extreme
August Weather27°C (81°F)1 mm (0.0 inches)77%extreme
September Weather28°C (83°F)1 mm (0.0 inches)72%extreme
October Weather29°C (85°F)1 mm (0.0 inches)68%extreme
November Weather30°C (86°F)1 mm (0.0 inches)66%extreme
December Weather30°C (86°F)8 mm (0.3 inches)70%extreme

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